Nebius Group N.V. (NBIS) Insider Transactions

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

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F5

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

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F4

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

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F3

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

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F2

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

F1 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$187.74 to $187.84,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$189.23 to $189.24,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$191.97 to $192.69,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$193.79 to $194.73,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$195.53 to $196.49,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$196.71 to $197.70,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F7 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$197.72 to $198.68,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F8 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$198.72 to $199.40,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F9 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$199.78 to $200.53,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F10 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$200.91 to $201.87,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F11 Reflects the weighted average sale price on July 15, 2026. The shares were sold in multiple transactions at prices ranging from?$201.93 to $202.59,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F1

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

F1 The shares were sold upon the vesting of restricted share units solely to cover estimated withholding taxes, pursuant to automatic sale instructions included in the relevant Restricted Share Unit Agreement. The sale was not a discretionary trade by the Reporting Person.

Exhibit 24 - Power of Attorney; Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F1

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

F1 The shares were sold upon the vesting of restricted share units solely to cover estimated withholding taxes, pursuant to automatic sale instructions included in the relevant Restricted Share Unit Agreement. The sale was not a discretionary trade by the Reporting Person.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F1

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

F1 The shares were sold upon the vesting of restricted share units solely to cover estimated withholding taxes, pursuant to automatic sale instructions included in the relevant Restricted Share Unit Agreement. The sale was not a discretionary trade by the Reporting Person.

Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F1

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

F1 The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2025.

References: F1

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References:

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References: F6

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References: F5

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References:

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References:

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References: F4

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References: F3

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References: F2

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References: F1

Amendment: compare with original; not an additional trade.

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act. This filing amends the Form 4 originally filed on June 15, 2026 solely to correct the number of securities beneficially owned following the reported transactions.

References:

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

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References:

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

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F6

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

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F5

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

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References:

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

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References:

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

F1 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $248.26 to $249.20, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F2 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $250.00 to $250.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F3 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $251.59 to $252.19, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F4 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from?$253.37 to $253.78,?inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder?of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F5 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $259.12 to $259.97, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

F6 Reflects the weighted average sale price on June 15, 2026. The shares were sold in multiple transactions at prices ranging from $260.25 to $261.23, inclusive. The reporting person undertakes to provide Nebius Group N.V., any shareholder of Nebius Group N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Exhibit 24 - Power of Attorney Due to the issuer's status as a foreign private issuer pursuant to Rule 3a12-3(b) under the Act, the reporting person's transactions in the issuer's equity securities are exempt from Sections 16(b) and 16(c) of the Act.

References: F4