SEC Form 4 · accession 0001104659-26-076935

CoreWeave, Inc. · CRWV

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owners

Magnetar Financial LLC

10% Owner

Magnetar Capital Partners LP

10% Owner

Supernova Management LLC

10% Owner

David J. Snyderman

10% Owner

Period of report

Jun 22, 2026

Accepted (ET)

Jun 23, 2026 · 8:06 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001769628

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^{F1,F2,F19,F3,F4,F5,F6}	Jun 22, 2026	J	4,167	—	D	4,127,101	I	Footnotes
Class A Common Stock^{F1,F2,F20,F3,F4,F5,F7}	Jun 22, 2026	J	18,933	—	D	17,776,950	I	Footnotes
Class A Common Stock^{F1,F2,F21,F3,F4,F5,F8}	Jun 22, 2026	J	2,482	—	D	1,039,198	I	Footnotes
Class A Common Stock^{F1,F2,F22,F3,F4,F5,F9}	Jun 22, 2026	J	257	—	D	240,915	I	Footnotes
Class A Common Stock^{F1,F2,F23,F3,F4,F5,F10}	Jun 22, 2026	J	5,533	—	D	3,737,911	I	Footnotes
Class A Common Stock^{F1,F2,F24,F3,F4,F5,F11}	Jun 22, 2026	J	7,597	—	D	4,582,174	I	Footnotes
Class A Common Stock^{F1,F2,F25,F3,F4,F5,F12}	Jun 22, 2026	J	9,522	—	D	6,723,931	I	Footnotes
Class A Common Stock^{F1,F2,F26,F3,F4,F5,F13}	Jun 22, 2026	J	2,152	—	D	861,984	I	Footnotes
Class A Common Stock^{F1,F2,F27,F3,F4,F5,F14}	Jun 22, 2026	J	8,100	—	D	6,876,551	I	Footnotes
Class A Common Stock^{F1,F2,F28,F3,F4,F5,F15}	Jun 22, 2026	J	4,992	—	D	2,104,784	I	Footnotes
Class A Common Stock^{F1,F2,F29,F3,F4,F5,F16}	Jun 22, 2026	J	4,022	—	D	2,075,512	I	Footnotes
Class A Common Stock^{F1,F2,F30,F3,F4,F5,F17}	Jun 22, 2026	J	843	—	D	669,634	I	Footnotes
Class A Common Stock^F3,F4,F5,F18	holding	—	—		—	1,973,782	I	Footnotes

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Forward sale contract (obligation to sell)^{F3,F4,F5,F6,F1,F2,F19}	—	Jun 22, 2026	J	4,167	D	—	—	Class A Common Stock	4,167	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F7,F1,F2,F20}	—	Jun 22, 2026	J	18,933	D	—	—	Class A Common Stock	18,933	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F8,F1,F2,F21}	—	Jun 22, 2026	J	2,482	D	—	—	Class A Common Stock	2,482	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F9,F1,F2,F22}	—	Jun 22, 2026	J	257	D	—	—	Class A Common Stock	257	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F10,F1,F2,F23}	—	Jun 22, 2026	J	5,533	D	—	—	Class A Common Stock	5,533	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F11,F1,F2,F24}	—	Jun 22, 2026	J	7,597	D	—	—	Class A Common Stock	7,597	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F12,F1,F2,F25}	—	Jun 22, 2026	J	9,522	D	—	—	Class A Common Stock	9,522	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F13,F1,F2,F26}	—	Jun 22, 2026	J	2,152	D	—	—	Class A Common Stock	2,152	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F14,F1,F2,F27}	—	Jun 22, 2026	J	8,100	D	—	—	Class A Common Stock	8,100	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F15,F1,F2,F28}	—	Jun 22, 2026	J	4,992	D	—	—	Class A Common Stock	4,992	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F16,F1,F2,F29}	—	Jun 22, 2026	J	4,022	D	—	—	Class A Common Stock	4,022	I
Forward sale contract (obligation to sell)^{F3,F4,F5,F17,F1,F2,F30}	—	Jun 22, 2026	J	843	D	—	—	Class A Common Stock	843	I

Explanation of responses

F1On June 22, 2026, the entity holding the indicated number of shares of Class A common stock (the "Common Stock") of CoreWeave Inc. (the "Issuer") settled a variable pre-paid forward sale contract that was entered into October 8, 2025 with a third party counterparty. The contract obligated the entity to deliver to the counterparty up to the indicated number of shares on June 22, 2026 (the "Settlement Date"). The entity pledged the indicated number of shares, as reported in Column 5 (the "Pledged Shares"), to the counterparty to secure its obligations under the contract and retained voting and dividend rights in the Pledged Securities during the term of the pledge.
F10These securities are held directly by Magnetar Constellation Master Fund, Ltd.
F11These securities are held directly by Magnetar Lake Credit Fund LLC.
F12These securities are held directly by Magnetar Longhorn Fund LP.
F13These securities are held directly by Magnetar SC Fund Ltd.
F14These securities are held directly by Magnetar Structured Credit Fund, LP, DBA Magnetar Constellation Onshore Fund. They are not separate legal entities.
F15These securities are held directly by Magnetar Xing He Master Fund Ltd.
F16These securities are held directly by Purpose Alternative Credit Fund - F LLC.
F17These securities are held directly by Purpose Alternative Credit Fund - T LLC.
F18These securities are held directly by Longhorn Special Opportunities Fund LP.
F19The entity transferred to the third party counterparty all of the Pledged Shares.
F2The contract provided that the number of shares deliverable to the counterparty on the Settlement Date was to be determined as follows: (a) if the price at the Nasdaq closing time on June 18, 2026 (the "Settlement Price") was less than or equal to $120.00 (the "Floor Price"), the entity would deliver all Pledged Shares; (b) if the Settlement Price was between the Floor Price and $190.00 (the "Cap Price"), the entity would deliver a number of shares equal to the number of Pledged Shares multiplied by the Floor Price and divided by the Settlement Price; and (c) if the Settlement Price was greater than the Cap Price, the entity would deliver a number of shares equal to (i) the number of Pledged Shares multiplied by the sum of the Floor Price and the difference between the Settlement Price and the Cap Price divided by (ii) the Settlement Price. On June 18, 2026, the Settlement Price was $117.95.
F20The entity transferred to the third party counterparty all of the Pledged Shares.
F21The entity transferred to the third party counterparty all of the Pledged Shares.
F22The entity transferred to the third party counterparty all of the Pledged Shares.
F23The entity transferred to the third party counterparty all of the Pledged Shares.
F24The entity transferred to the third party counterparty all of the Pledged Shares.
F25The entity transferred to the third party counterparty all of the Pledged Shares.
F26The entity transferred to the third party counterparty all of the Pledged Shares.
F27The entity transferred to the third party counterparty all of the Pledged Shares.
F28The entity transferred to the third party counterparty all of the Pledged Shares.
F29The entity transferred to the third party counterparty all of the Pledged Shares.
F3Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
F30The entity transferred to the third party counterparty all of the Pledged Shares.
F4Magnetar 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.
F5Each 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.
F6These securities are held directly by CW Opportunity 2 LP.
F7These securities are held directly by CW Opportunity LLC.
F8These securities are held directly by Magnetar Alpha Star Fund LLC.
F9These securities are held directly by Magnetar Capital Master Fund, Ltd.