X0609 4 2026-05-04 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 2026-05-04 4 S 0 3302 126.52 D 874918 I Footnotes Class A Common Stock 2026-05-04 4 S 0 3439 127.46 D 871479 I Footnotes Class A Common Stock 2026-05-04 4 S 0 574 128.87 D 870905 I Footnotes Class A Common Stock 2026-05-04 4 S 0 496 129.38 D 870409 I Footnotes Class A Common Stock 2026-05-04 4 S 0 78685 126.52 D 7528438 I Footnotes Class A Common Stock 2026-05-04 4 S 0 81879 127.46 D 7446559 I Footnotes Class A Common Stock 2026-05-04 4 S 0 13664 128.86 D 7432895 I Footnotes Class A Common Stock 2026-05-04 4 S 0 11810 129.38 D 7421085 I Footnotes Class A Common Stock 2026-05-04 4 S 0 48495 126.52 D 2417045 I Footnotes Class A Common Stock 2026-05-04 4 S 0 50466 127.46 D 2366579 I Footnotes Class A Common Stock 2026-05-04 4 S 0 8421 128.86 D 2358158 I Footnotes Class A Common Stock 2026-05-04 4 S 0 7278 129.38 D 2350880 I Footnotes Class A Common Stock 2026-05-04 4 S 0 39068 126.52 D 2399154 I Footnotes Class A Common Stock 2026-05-04 4 S 0 40651 127.46 D 2358503 I Footnotes Class A Common Stock 2026-05-04 4 S 0 6782 128.86 D 2351721 I Footnotes Class A Common Stock 2026-05-04 4 S 0 5862 129.38 D 2345859 I Footnotes Class A Common Stock 2026-05-04 4 S 0 8180 126.52 D 737458 I Footnotes Class A Common Stock 2026-05-04 4 S 0 8521 127.46 D 728937 I Footnotes Class A Common Stock 2026-05-04 4 S 0 1424 128.86 D 727513 I Footnotes Class A Common Stock 2026-05-04 4 S 0 1230 129.38 D 726283 I Footnotes Class A Common Stock 1973782 I Footnotes The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $125.79 to $126.67, 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 and in footnotes 2, 3, and 4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $127.04 to $128.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $128.07 to $129.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $129.27 to $129.50, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each Longhorn Special Opportunities 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 and the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities), (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 Magnetar SC Fund Ltd. 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 Magnetar Xing He Master Fund Ltd. 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 Longhorn Special Opportunities Fund LP. /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 2026-05-06 /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 2026-05-06 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC 2026-05-06 /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman 2026-05-06