SEC INSIDER TRANSACTIONS

CoreWeave, Inc. (CRWV) Insider Transactions

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CRWV · CoreWeave, Inc.

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OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 158 filings · fetched 2026-11-13T17:19:13Z

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Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F1, F2, F3, F4, F9	S Sale (market/private)Class A Common Stock · Non-derivative	33,922D	108.48	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F8	S Sale (market/private)Class A Common Stock · Non-derivative	26D	110	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F8	S Sale (market/private)Class A Common Stock · Non-derivative	228D	109.99	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F1, F2, F3, F4, F8	S Sale (market/private)Class A Common Stock · Non-derivative	1,146D	108.48	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F7	S Sale (market/private)Class A Common Stock · Non-derivative	1,887D	110	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F7	S Sale (market/private)Class A Common Stock · Non-derivative	16,807D	109.99	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F1, F2, F3, F4, F7	S Sale (market/private)Class A Common Stock · Non-derivative	84,544D	108.48	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F6	S Sale (market/private)Class A Common Stock · Non-derivative	553D	110	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F6	S Sale (market/private)Class A Common Stock · Non-derivative	4,919D	109.99	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F1, F2, F3, F4, F6	S Sale (market/private)Class A Common Stock · Non-derivative	24,743D	108.48	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F5	S Sale (market/private)Class A Common Stock · Non-derivative	552D	110	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F2, F3, F4, F5	S Sale (market/private)Class A Common Stock · Non-derivative	4,912D	109.99	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-18Amendment	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Amendment: compare with original; not an additional trade. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F6 These securities are held directly by CW Opportunity 2 LP. F7 These securities are held directly by CW Opportunity LLC. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F11 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F12 These securities are held directly by Longhorn Special Opportunities Fund LP. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. On August 14, 2026, the reporting persons filed a Form 4 which incorrectly stated the numbers of shares in Columns 4 and 5 in Table 1 with respect to certain Magnetar Funds. The amendment does not change the aggregate number of shares sold by the Magnetar Funds. The prior Form 4 inadvertently listed the sales of shares by (i) CW Opportunity 2 LP when such sales were by Magnetar Constellation Master Fund, Ltd, (ii) CW Opportunity LLC when such sales were by CW Opportunity 2 LP, (iii) Longhorn Special Opportunities Fund LP when such sales were by CW Opportunity LLC, (iv) Magnetar Constellation Master Fund, Ltd when such sales were by Magnetar Lake Credit Fund LLC, (v) Magnetar Lake Credit Fund LLC when such sales were by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (vi) Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) when such sales were by Purpose Alternative Credit Fund - T LLC and (vii) Purpose Alternative Credit Fund - T LLC when such sales were by Longhorn Special Opportunities Fund LP. This amended Form 4 is being filed for purposes of correcting this misstatement and listing the correct number of shares sold by each Magnetar Fund. The reporting persons are restating the entire initial Form 4's transactions. References: F1, F2, F3, F4, F5	S Sale (market/private)Class A Common Stock · Non-derivative	24,708D	108.48	IndirectFootnotes	Form 4/A ↗0001104659-26-098473
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F4 These securities are held directly by Magnetar Alpha Star Fund LLC. F5 These securities are held directly by Magnetar SC Fund Ltd. F6 These securities are held directly by Magnetar Xing He Master Fund Ltd. F7 These securities are held directly by Purpose Alternative Credit Fund - F LLC. F8 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Longhorn Fund LP. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. References: F1, F2, F3, F7	S Sale (market/private)Warrant (right to buy) · Derivative	10,232D	106.7505	IndirectFootnotes	Form 4 ↗0001104659-26-097436
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F4 These securities are held directly by Magnetar Alpha Star Fund LLC. F5 These securities are held directly by Magnetar SC Fund Ltd. F6 These securities are held directly by Magnetar Xing He Master Fund Ltd. F7 These securities are held directly by Purpose Alternative Credit Fund - F LLC. F8 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Longhorn Fund LP. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. References: F1, F2, F3, F6	S Sale (market/private)Warrant (right to buy) · Derivative	96,524D	106.7505	IndirectFootnotes	Form 4 ↗0001104659-26-097436
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F4 These securities are held directly by Magnetar Alpha Star Fund LLC. F5 These securities are held directly by Magnetar SC Fund Ltd. F6 These securities are held directly by Magnetar Xing He Master Fund Ltd. F7 These securities are held directly by Purpose Alternative Credit Fund - F LLC. F8 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Longhorn Fund LP. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. References: F1, F2, F3, F5	S Sale (market/private)Warrant (right to buy) · Derivative	22,246D	106.7505	IndirectFootnotes	Form 4 ↗0001104659-26-097436
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F4 These securities are held directly by Magnetar Alpha Star Fund LLC. F5 These securities are held directly by Magnetar SC Fund Ltd. F6 These securities are held directly by Magnetar Xing He Master Fund Ltd. F7 These securities are held directly by Purpose Alternative Credit Fund - F LLC. F8 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Longhorn Fund LP. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. References: F1, F2, F3, F5	S Sale (market/private)Warrant (right to buy) · Derivative	21,637D	106.7505	IndirectFootnotes	Form 4 ↗0001104659-26-097436
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F2 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F3 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F4 These securities are held directly by Magnetar Alpha Star Fund LLC. F5 These securities are held directly by Magnetar SC Fund Ltd. F6 These securities are held directly by Magnetar Xing He Master Fund Ltd. F7 These securities are held directly by Purpose Alternative Credit Fund - F LLC. F8 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F9 These securities are held directly by Magnetar Lake Credit Fund LLC. F10 These securities are held directly by Magnetar Longhorn Fund LP. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. References: F1, F2, F3, F4	S Sale (market/private)Warrant (right to buy) · Derivative	49,361D	106.7505	IndirectFootnotes	Form 4 ↗0001104659-26-097436
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F2, F3, F4, F12	S Sale (market/private)Class A Common Stock · Non-derivative	950D	110	IndirectFootnotes	Form 4 ↗0001104659-26-097435
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F2, F3, F4, F12	S Sale (market/private)Class A Common Stock · Non-derivative	8,453D	109.99	IndirectFootnotes	Form 4 ↗0001104659-26-097435
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F1, F2, F3, F4, F12	S Sale (market/private)Class A Common Stock · Non-derivative	42,519D	108.48	IndirectFootnotes	Form 4 ↗0001104659-26-097435
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F2, F3, F4, F11	S Sale (market/private)Class A Common Stock · Non-derivative	84D	110	IndirectFootnotes	Form 4 ↗0001104659-26-097435
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F2, F3, F4, F11	S Sale (market/private)Class A Common Stock · Non-derivative	748D	109.99	IndirectFootnotes	Form 4 ↗0001104659-26-097435
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F1, F2, F3, F4, F11	S Sale (market/private)Class A Common Stock · Non-derivative	3,763D	108.48	IndirectFootnotes	Form 4 ↗0001104659-26-097435
2026-08-14Filed 2026-08-14	Magnetar Financial LLCTen-percent ownerMagnetar Capital Partners LPTen-percent ownerSupernova Management LLCTen-percent ownerSnyderman David J.Ten-percent owner Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $108.00 to $108.72, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (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 ranges set forth in this footnote. F2 Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. F4 Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein. F5 These securities are held directly by CW Opportunity 2 LP. F6 These securities are held directly by CW Opportunity LLC. F7 These securities are held directly by Longhorn Special Opportunities Fund LP. F8 These securities are held directly by Magnetar Capital Master Fund, Ltd. F9 These securities are held directly by Magnetar Constellation Master Fund, Ltd. F10 These securities are held directly by Magnetar Lake Credit Fund LLC. F11 These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. F12 These securities are held directly by Purpose Alternative Credit Fund - T LLC. F13 These securities are held directly by Magnetar Alpha Star Fund LLC. F14 These securities are held directly by Magnetar Longhorn Fund LP. F15 These securities are held directly by Magnetar SC Fund Ltd. F16 These securities are held directly by Magnetar Xing He Master Fund Ltd. F17 These securities are held directly by Purpose Alternative Credit Fund - F LLC. References: F2, F3, F4, F10	S Sale (market/private)Class A Common Stock · Non-derivative	808D	110	IndirectFootnotes	Form 4 ↗0001104659-26-097435

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.