X0609 4 2026-08-13 0 0001769628 CoreWeave, Inc. CRWV 0001352851 Magnetar Financial LLC false 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0001353085 Magnetar Capital Partners LP false 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0001368026 Supernova Management LLC false 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0001953511 Snyderman David J. false 1603 ORRINGTON AVENUE 13TH FLOOR EVANSTON IL 60201 0 0 1 0 0 Class A Common Stock 2026-08-13 4 S 0 26085 107.75 D 3888088 I Footnotes Class A Common Stock 2026-08-13 4 S 0 121028 110.98 D 3767060 I Footnotes Class A Common Stock 2026-08-13 4 S 0 29301 115.61 D 3737759 I Footnotes Class A Common Stock 2026-08-13 4 S 0 89114 107.75 D 16910479 I Footnotes Class A Common Stock 2026-08-13 4 S 0 413543 110.98 D 16496936 I Footnotes Class A Common Stock 2026-08-13 4 S 0 100120 115.61 D 16396816 I Footnotes Class A Common Stock 2026-08-13 4 S 0 44818 107.75 D 1638990 I Footnotes Class A Common Stock 2026-08-13 4 S 0 207984 110.98 D 1431006 I Footnotes Class A Common Stock 2026-08-13 4 S 0 50354 115.61 D 1380652 I Footnotes Class A Common Stock 2026-08-13 4 S 0 1209 107.75 D 229172 I Footnotes Class A Common Stock 2026-08-13 4 S 0 5605 110.98 D 223567 I Footnotes Class A Common Stock 2026-08-13 4 S 0 1357 115.61 D 222210 I Footnotes Class A Common Stock 2026-08-13 4 S 0 26044 107.75 D 3484686 I Footnotes Class A Common Stock 2026-08-13 4 S 0 120857 110.98 D 3363829 I Footnotes Class A Common Stock 2026-08-13 4 S 0 29260 115.61 D 3334569 I Footnotes Class A Common Stock 2026-08-13 4 S 0 35756 107.75 D 4234523 I Footnotes Class A Common Stock 2026-08-13 4 S 0 165923 110.98 D 4068600 I Footnotes Class A Common Stock 2026-08-13 4 S 0 40170 115.61 D 4028430 I Footnotes Class A Common Stock 2026-08-13 4 S 0 38126 107.75 D 6505860 I Footnotes Class A Common Stock 2026-08-13 4 S 0 176919 110.98 D 6328941 I Footnotes Class A Common Stock 2026-08-13 4 S 0 42832 115.61 D 6286109 I Footnotes Class A Common Stock 2026-08-13 4 S 0 18929 107.75 D 1891474 I Footnotes Class A Common Stock 2026-08-13 4 S 0 87835 110.98 D 1803639 I Footnotes Class A Common Stock 2026-08-13 4 S 0 21265 115.61 D 1782374 I Footnotes Class A Common Stock 2026-08-13 4 S 0 3967 107.75 D 631075 I Footnotes Class A Common Stock 2026-08-13 4 S 0 18403 110.98 D 612672 I Footnotes Class A Common Stock 2026-08-13 4 S 0 4455 115.61 D 608217 I Footnotes Class A Common Stock 932981 I Footnotes Class A Common Stock 6622946 I Footnotes Class A Common Stock 768748 I Footnotes The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $107.61 to $108.48, 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. 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, 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"). 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. 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. These securities are held directly by CW Opportunity 2 LP. These securities are held directly by CW Opportunity LLC. These securities are held directly by Longhorn Special Opportunities Fund LP. These securities are held directly by Magnetar Capital Master Fund, Ltd. These securities are held directly by Magnetar Constellation Master Fund, Ltd. These securities are held directly by Magnetar Lake Credit Fund LLC. These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities. These securities are held directly by Purpose Alternative Credit Fund - F LLC. These securities are held directly by Purpose Alternative Credit Fund - T LLC. These securities are held directly by Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar Longhorn Fund LP. These securities are held directly by Magnetar SC Fund Ltd. /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP, which is in turn the Sole Member of Magnetar Financial LLC 2026-08-14 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP 2026-08-14 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC 2026-08-14 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman 2026-08-14