Form 4 CoreWeave, Inc. For: May 06 Filed by: Snyderman David J.

May 8, 2026 7:22 PM

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person ^*

Magnetar Financial LLC

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

60201

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
CoreWeave, Inc. [ CRWV ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Call option (obligation to sell)	$ 190	05/06/2026		S			43,739	12/18/2026	12/18/2026	Class A Common Stock	43,739	$ 887,901.7	43,739	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			4,375	12/18/2026	12/18/2026	Class A Common Stock	4,375	$ 87,500	4,375	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁴⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			138,705	12/18/2026	12/18/2026	Class A Common Stock	138,705	$ 2,815,711.5	138,705	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁵⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			13,870	12/18/2026	12/18/2026	Class A Common Stock	13,870	$ 277,400	13,870	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁵⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			18,185	12/18/2026	12/18/2026	Class A Common Stock	18,185	$ 369,155.5	18,185	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁶⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			1,818	12/18/2026	12/18/2026	Class A Common Stock	1,818	$ 36,360	1,818	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁶⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			1,880	12/18/2026	12/18/2026	Class A Common Stock	1,880	$ 38,164	1,880	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁷⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			188	12/18/2026	12/18/2026	Class A Common Stock	188	$ 3,760	188	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁷⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			40,536	12/18/2026	12/18/2026	Class A Common Stock	40,536	$ 822,880.8	40,536	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁸⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			4,054	12/18/2026	12/18/2026	Class A Common Stock	4,054	$ 81,080	4,054	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁸⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			55,652	12/18/2026	12/18/2026	Class A Common Stock	55,652	$ 1,129,735.6	55,652	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁹⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			5,565	12/18/2026	12/18/2026	Class A Common Stock	5,565	$ 111,300	5,565	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽⁹⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			69,759	12/18/2026	12/18/2026	Class A Common Stock	69,759	$ 1,416,107.7	69,759	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹⁰⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			6,976	12/18/2026	12/18/2026	Class A Common Stock	6,976	$ 139,520	6,976	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹⁰⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			59,340	12/18/2026	12/18/2026	Class A Common Stock	59,340	$ 1,204,602	59,340	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹¹⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			5,934	12/18/2026	12/18/2026	Class A Common Stock	5,934	$ 118,680	5,934	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹¹⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			36,571	12/18/2026	12/18/2026	Class A Common Stock	36,571	$ 742,391.3	36,571	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹²⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			3,657	12/18/2026	12/18/2026	Class A Common Stock	3,657	$ 73,140	3,657	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹²⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			29,460	12/18/2026	12/18/2026	Class A Common Stock	29,460	$ 598,038	29,460	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹³⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			2,946	12/18/2026	12/18/2026	Class A Common Stock	2,946	$ 58,920	2,946	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹³⁾
Call option (obligation to sell)	$ 190	05/06/2026		S			6,173	12/18/2026	12/18/2026	Class A Common Stock	6,173	$ 125,311.9	6,173	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹⁴⁾
Call option (obligation to sell)	$ 195	05/06/2026		S			617	12/18/2026	12/18/2026	Class A Common Stock	617	$ 12,340	617	I	Footnotes ⁽¹⁾ ⁽²⁾ ⁽³⁾ ⁽¹⁴⁾

Explanation of Responses:

1. 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, 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").

2. 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.

3. 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.

4. These securities are held directly by CW Opportunity 2 LP.

5. These securities are held directly by CW Opportunity LLC.

6. These securities are held directly by Magnetar Alpha Star Fund LLC.

7. These securities are held directly by Magnetar Capital Master Fund, Ltd.

8. These securities are held directly by Magnetar Constellation Master Fund, Ltd.

9. These securities are held directly by Magnetar Lake Credit Fund LLC.

10. These securities are held directly by Magnetar Longhorn Fund LP.

11. These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities.

12. These securities are held directly by Magnetar Xing He Master Fund Ltd.

13. These securities are held directly by Purpose Alternative Credit Fund - F LLC.

14. These securities are held directly by Purpose Alternative Credit Fund - T LLC.

	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP, which is in turn the Sole Member of Magnetar Financial LLC	05/08/2026
	** Signature of Reporting Person	Date
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP	05/08/2026
	** Signature of Reporting Person	Date
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC	05/08/2026
	** Signature of Reporting Person	Date
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	05/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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Form 4 CoreWeave, Inc. For: May 06 Filed by: Snyderman David J.

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