Astera Labs, Inc. (ALAB) Insider Transactions

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F15, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F14, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F13, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F12, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F11, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F10, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F9, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F8, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F7, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F6, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F5, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F3, F4, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F2 Includes deferred stock units and dividend equivalent units.

F3 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $362.5300 to $363.4350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $360.8100 to $361.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $359.7450 to $360.6600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $358.8000 to $359.6400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.8650 to $358.6000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.6600 to $357.5750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.6200 to $355.5800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $354.0600 to $354.5500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F12 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.5400 to $353.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $351.5250 to $352.4850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F14 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $349.1050 to $350.0100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $347.7700 to $347.8600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $346.2700 to $346.6650, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F17 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $344.6650 to $345.6250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F18 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.9250 to $344.6200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F19 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.5200 to $343.4600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

References: F1, F2

Reported filing row; may be amended. Do not sum filings blindly.

F1 These shares represent an award of restricted stock units ("RSUs") granted on June 4, 2026 (the "Grant Date") under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Company following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

References: F1

Reported filing row; may be amended. Do not sum filings blindly.

F1 Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.395 to $364.35 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.

F4 Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F5 Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.00 to $365.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 These shares represent an award of restricted stock units (RSUs) granted on June 4, 2026 (the Grant Date) under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Issuer following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F8 Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

References: F1, F6, F5

Reported filing row; may be amended. Do not sum filings blindly.

F1 Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.395 to $364.35 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.

F4 Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F5 Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.00 to $365.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 These shares represent an award of restricted stock units (RSUs) granted on June 4, 2026 (the Grant Date) under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Issuer following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F8 Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

References: F1, F6, F4

Reported filing row; may be amended. Do not sum filings blindly.

F1 Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.395 to $364.35 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.

F4 Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F5 Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.00 to $365.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 These shares represent an award of restricted stock units (RSUs) granted on June 4, 2026 (the Grant Date) under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Issuer following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F8 Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

References: F1, F6, F3

Reported filing row; may be amended. Do not sum filings blindly.

F1 Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.395 to $364.35 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.

F4 Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F5 Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.00 to $365.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 These shares represent an award of restricted stock units (RSUs) granted on June 4, 2026 (the Grant Date) under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Issuer following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F8 Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

References: F1, F2, F5

Reported filing row; may be amended. Do not sum filings blindly.

F1 Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.395 to $364.35 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.

F4 Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F5 Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.00 to $365.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 These shares represent an award of restricted stock units (RSUs) granted on June 4, 2026 (the Grant Date) under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Issuer following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F8 Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

References: F1, F2, F4

Reported filing row; may be amended. Do not sum filings blindly.

F1 Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 1, 2025.

F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $363.395 to $364.35 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 Includes shares to be issued in connection with the vesting of one or more restricted stock units. The Reporting Person shares pecuniary interest in these shares with other parties pursuant to contractual relationships. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest in these shares.

F4 Shares held by a trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F5 Shares held by a limited partnership of which the Reporting Person is a trustee of a trust which is the general partner. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

F6 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $365.00 to $365.49 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 These shares represent an award of restricted stock units (RSUs) granted on June 4, 2026 (the Grant Date) under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award vests in full upon the earlier of (i) the first anniversary of the Grant Date or (ii) the date of the next annual stockholder meeting of the Issuer following the Grant Date, subject to the Reporting Person's continuous service relationship with the Issuer through such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.

F8 Shares held by an irrevocable trust of which the Reporting Person is a Trustee. The Reporting Person disclaims beneficial ownership in these shares except as to the Reporting Person's pecuniary interest therein.

References: F1, F2, F3

Reported filing row; may be amended. Do not sum filings blindly.

F1 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F2 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $288.8000 to $289.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 These shares are owned directly by an estate planning trust ("Trust 1"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $289.8000 to $290.7800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $290.8000 to $291.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $291.8000 to $292.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $292.8400 to $293.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 On May 22, 2026, the Reporting Person transferred 226,189 shares of Issuer Common Stock to an estate planning trust ("Trust 1") for no consideration.

F9 These shares are owned directly by an estate planning trust ("Trust 2"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F10 These shares are owned directly by an estate planning trust ("Trust 3"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

References: F8

Reported filing row; may be amended. Do not sum filings blindly.

F1 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F2 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $288.8000 to $289.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 These shares are owned directly by an estate planning trust ("Trust 1"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $289.8000 to $290.7800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $290.8000 to $291.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $291.8000 to $292.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $292.8400 to $293.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 On May 22, 2026, the Reporting Person transferred 226,189 shares of Issuer Common Stock to an estate planning trust ("Trust 1") for no consideration.

F9 These shares are owned directly by an estate planning trust ("Trust 2"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F10 These shares are owned directly by an estate planning trust ("Trust 3"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

References: F8, F3

Reported filing row; may be amended. Do not sum filings blindly.

F1 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F2 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $288.8000 to $289.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 These shares are owned directly by an estate planning trust ("Trust 1"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $289.8000 to $290.7800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $290.8000 to $291.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $291.8000 to $292.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $292.8400 to $293.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 On May 22, 2026, the Reporting Person transferred 226,189 shares of Issuer Common Stock to an estate planning trust ("Trust 1") for no consideration.

F9 These shares are owned directly by an estate planning trust ("Trust 2"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F10 These shares are owned directly by an estate planning trust ("Trust 3"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

References: F1, F7, F3

Reported filing row; may be amended. Do not sum filings blindly.

F1 The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 2, 2025.

F2 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $288.8000 to $289.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 These shares are owned directly by an estate planning trust ("Trust 1"), of which the Reporting Person is a trustee. The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F4 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $289.8000 to $290.7800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $290.8000 to $291.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $291.8000 to $292.7900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $292.8400 to $293.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 On May 22, 2026, the Reporting Person transferred 226,189 shares of Issuer Common Stock to an estate planning trust ("Trust 1") for no consideration.

F9 These shares are owned directly by an estate planning trust ("Trust 2"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

F10 These shares are owned directly by an estate planning trust ("Trust 3"). The Reporting Person disclaims beneficial ownership of these securities, except to the extent, if any, of his pecuniary interest therein, and the filing of this Form 4 is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

References: F1, F6, F3