X0609 4 2026-08-14 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 2026-08-14 4 S 0 24708 108.48 D 3309861 I Footnotes Class A Common Stock 2026-08-14 4 S 0 4912 109.99 D 3304949 I Footnotes Class A Common Stock 2026-08-14 4 S 0 552 110 D 3304397 I Footnotes Class A Common Stock 2026-08-14 4 S 0 24743 108.48 D 3713016 I Footnotes Class A Common Stock 2026-08-14 4 S 0 4919 109.99 D 3708097 I Footnotes Class A Common Stock 2026-08-14 4 S 0 553 110.00 D 3707544 I Footnotes Class A Common Stock 2026-08-14 4 S 0 84544 108.48 D 16312272 I Footnotes Class A Common Stock 2026-08-14 4 S 0 16807 109.99 D 16295465 I Footnotes Class A Common Stock 2026-08-14 4 S 0 1887 110 D 16293578 I Footnotes Class A Common Stock 2026-08-14 4 S 0 1146 108.48 D 221064 I Footnotes Class A Common Stock 2026-08-14 4 S 0 228 109.99 D 220836 I Footnotes Class A Common Stock 2026-08-14 4 S 0 26 110 D 220810 I Footnotes Class A Common Stock 2026-08-14 4 S 0 33922 108.48 D 3994508 I Footnotes Class A Common Stock 2026-08-14 4 S 0 6743 109.99 D 3987765 I Footnotes Class A Common Stock 2026-08-14 4 S 0 758 110 D 3987007 I Footnotes Class A Common Stock 2026-08-14 4 S 0 36168 108.48 D 6249941 I Footnotes Class A Common Stock 2026-08-14 4 S 0 7190 109.99 D 6242751 I Footnotes Class A Common Stock 2026-08-14 4 S 0 808 110 D 6241943 I Footnotes Class A Common Stock 2026-08-14 4 S 0 3763 108.48 D 604454 I Footnotes Class A Common Stock 2026-08-14 4 S 0 748 109.99 D 603706 I Footnotes Class A Common Stock 2026-08-14 4 S 0 84 110 D 603622 I Footnotes Class A Common Stock 2026-08-14 4 S 0 42519 108.48 D 1338133 I Footnotes Class A Common Stock 2026-08-14 4 S 0 8453 109.99 D 1329680 I Footnotes Class A Common Stock 2026-08-14 4 S 0 950 110 D 1328730 I Footnotes Class A Common Stock 932981 I Footnotes Class A Common Stock 6622946 I Footnotes Class A Common Stock 768748 I Footnotes Class A Common Stock 1891986 I Footnotes Class A Common Stock 1782374 I Footnotes 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. 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"). 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 - 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. These securities are held directly by Magnetar Xing He Master Fund Ltd. These securities are held directly by Purpose Alternative Credit Fund - F LLC. /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