Last 12 months
Inside the activity.
0 purchase rows · 3263 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 97 |
| Dec 2025 | 0 | 233 |
| Jan 2026 | 0 | 320 |
| Feb 2026 | 0 | 225 |
| Mar 2026 | 0 | 165 |
| Apr 2026 | 0 | 602 |
| May 2026 | 0 | 441 |
| Jun 2026 | 0 | 437 |
| Jul 2026 | 0 | 242 |
| Aug 2026 | 0 | 412 |
| Sep 2026 | 0 | 82 |
| Oct 2026 | 0 | 7 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 17,477 | $118.18 | $2,065,431.86 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 17 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,173,781 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F13 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 1,555 | $120.86 | $187,937.30 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 16 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,027,177 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F12 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 4,642 | $118.18 | $548,591.56 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 15 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,028,732 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F12 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 6,898 | $120.86 | $833,692.28 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 14 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,242,031 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F11 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 20,545 | $118.18 | $2,428,008.10 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 13 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,248,929 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F11 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 5,500 | $120.86 | $664,730.00 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 12 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,793,282 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F10 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 16,390 | $118.18 | $1,936,970.20 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 11 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,798,782 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F10 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 4,006 | $120.86 | $484,165.16 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 10 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,620,058 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F9 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 11,939 | $118.18 | $1,410,951.02 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 9 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,624,064 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F9 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 184 | $120.86 | $22,238.24 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 8 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 281,832 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 554 | $118.18 | $65,471.72 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 7 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 282,016 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 1,798 | $120.86 | $217,306.28 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 6 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,390,426 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 5,356 | $118.18 | $632,972.08 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 5 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,392,224 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 13,715 | $120.86 | $1,657,594.90 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 4 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 20,795,428 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F6 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 40,851 | $118.18 | $4,827,771.18 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 3 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 20,809,143 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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. F6 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 4,437 | $120.86 | $536,255.82 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 2 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,079,775 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $120.65 to $121.29, 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 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 17, 2026 Filed Apr 18, 2026 00:42 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 13,236 | $118.18 | $1,564,230.48 |
DisclosureSEC source: 0001104659-26-045073 · tm2612072-6_4seq1.xml · nonDerivative · entry 1 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,084,212 F2 · ownership.nature: 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 and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F3 · ownership.nature: 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 · ownership.nature: 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 · ownership.nature: These securities are held directly by CW Opportunity 2 LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 119 | $120.64 | $14,356.16 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 9 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 806,391 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 4,345 | $119.42 | $518,879.90 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 8 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 806,510 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 15,039 | $117.96 | $1,774,000.44 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 7 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 810,855 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - T LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 570 | $120.64 | $68,764.80 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 6 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,728,230 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 20,734 | $119.42 | $2,476,054.28 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 5 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,728,800 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 71,739 | $117.96 | $8,462,332.44 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 4 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,749,534 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by Purpose Alternative Credit Fund - F LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 707 | $120.64 | $85,292.48 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 3 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,825,550 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F6 · ownership.nature: These securities are held directly by Magnetar Xing He Master Fund Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 25,737 | $119.42 | $3,073,512.54 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 2 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,826,257 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F6 · ownership.nature: These securities are held directly by Magnetar Xing He Master Fund Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:41 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 89,055 | $117.96 | $10,504,927.80 |
DisclosureSEC source: 0001104659-26-045072 · tm2612072-5_4seq1.xml · nonDerivative · entry 1 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 2,851,994 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F6 · ownership.nature: These securities are held directly by Magnetar Xing He Master Fund Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 1,148 | $120.64 | $138,494.72 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 27 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,191,258 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F14 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 41,760 | $119.42 | $4,986,979.20 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 26 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,192,406 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F14 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 144,499 | $117.96 | $17,045,102.04 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 25 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,234,166 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F14 · ownership.nature: These securities are held directly by Magnetar Structured Credit Fund, LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 305 | $120.64 | $36,795.20 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 24 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,033,374 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F13 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 11,091 | $119.42 | $1,324,487.22 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 23 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,033,679 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F13 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 38,392 | $117.96 | $4,528,720.32 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 22 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,044,770 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F13 · ownership.nature: These securities are held directly by Magnetar SC Fund Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 1,349 | $120.64 | $162,743.36 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 21 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,269,474 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F12 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 49,090 | $119.42 | $5,862,327.80 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 20 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,270,823 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F12 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 169,875 | $117.96 | $20,038,455.00 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 19 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 8,319,913 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F12 · ownership.nature: These securities are held directly by Magnetar Longhorn Fund LP. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 1,077 | $120.64 | $129,929.28 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 18 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,815,172 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F11 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 39,163 | $119.42 | $4,676,845.46 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 17 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,816,249 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F11 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 135,529 | $117.96 | $15,987,000.84 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 16 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 5,855,412 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F11 · ownership.nature: These securities are held directly by Magnetar Lake Credit Fund LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 784 | $120.64 | $94,581.76 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 15 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,636,003 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F10 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 28,526 | $119.42 | $3,406,574.92 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 14 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,636,787 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F10 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 98,720 | $117.96 | $11,645,011.20 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 13 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 4,665,313 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F10 · ownership.nature: These securities are held directly by Magnetar Constellation Master Fund, Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 36 | $120.64 | $4,343.04 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 12 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 282,570 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F9 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 1,322 | $119.42 | $157,873.24 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 11 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 282,606 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F9 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 4,558 | $117.96 | $537,661.68 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 10 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 283,928 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F9 · ownership.nature: These securities are held directly by Magnetar Capital Master Fund, Ltd. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 352 | $120.64 | $42,465.28 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 9 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,397,580 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 12,797 | $119.42 | $1,528,217.74 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 8 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,397,932 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 44,285 | $117.96 | $5,223,858.60 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 7 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 1,410,729 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F8 · ownership.nature: These securities are held directly by Magnetar Alpha Star Fund LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 2,683 | $120.64 | $323,677.12 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 6 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 20,849,994 F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 97,611 | $119.42 | $11,656,705.62 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 5 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 20,852,677 F2 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
| April 16, 2026 Filed Apr 18, 2026 00:40 UTC |
Magnetar Financial LLC10% owner
Magnetar Capital Partners LP10% owner
Supernova Management LLC10% owner
Snyderman David J.10% owner
|
SaleClass A Common Stock | 337,783 | $117.96 | $39,844,882.68 |
DisclosureSEC source: 0001104659-26-045071 · tm2612072-4_4seq1.xml · nonDerivative · entry 4 Magnetar Financial LLC · CIK 0001352851 · 10% owner Magnetar Capital Partners LP · CIK 0001353085 · 10% owner Supernova Management LLC · CIK 0001368026 · 10% owner Snyderman David J. · CIK 0001953511 · 10% owner Joint disclosure: these amounts are not allocated separately to each reporting owner. 10b5-1 filing: No plan indicated Ownership: Indirect · Footnotes Disclosed balance after: 20,950,288 F1 · price: The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.71 to $118.50, 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 footnote 2. F3 · ownership.nature: Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, and Magnetar SC Fund Ltd, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). F4 · ownership.nature: 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. F5 · ownership.nature: 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. F7 · ownership.nature: These securities are held directly by CW Opportunity LLC. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.