SEC FORM 4

SEC Form 4

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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)
08/15/2025

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)	$135	08/15/2025		S/K⁽¹⁾			171,757	03/20/2026	03/20/2026	Class A Common Stock	171,757	$386,451	171,757	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		171,757		03/20/2026	03/20/2026	Class A Common Stock	171,757	$429,390	171,757	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			171,756	03/20/2026	03/20/2026	Class A Common Stock	171,756	$128,817	171,756	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		171,756		03/20/2026	03/20/2026	Class A Common Stock	171,756	$429,390	171,756	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			251,428	03/20/2026	03/20/2026	Class A Common Stock	251,428	$565,714.8	251,428	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		251,428		03/20/2026	03/20/2026	Class A Common Stock	251,428	$628,572	251,428	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			251,429	03/20/2026	03/20/2026	Class A Common Stock	251,429	$188,571.6	251,429	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		251,429		03/20/2026	03/20/2026	Class A Common Stock	251,429	$628,572	251,429	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			154,956	03/20/2026	03/20/2026	Class A Common Stock	154,956	$348,651	154,956	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		154,956		03/20/2026	03/20/2026	Class A Common Stock	154,956	$387,390	154,956	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			154,956	03/20/2026	03/20/2026	Class A Common Stock	154,956	$116,217	154,956	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		154,956		03/20/2026	03/20/2026	Class A Common Stock	154,956	$387,390	154,956	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			66,783	03/20/2026	03/20/2026	Class A Common Stock	66,783	$150,264	66,783	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		66,783		03/20/2026	03/20/2026	Class A Common Stock	66,783	$166,960	66,783	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			66,784	03/20/2026	03/20/2026	Class A Common Stock	66,784	$50,088	66,784	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		66,784		03/20/2026	03/20/2026	Class A Common Stock	66,784	$166,960	66,784	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			295,575	03/20/2026	03/20/2026	Class A Common Stock	295,575	$665,044.2	295,575	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		295,575		03/20/2026	03/20/2026	Class A Common Stock	295,575	$738,938	295,575	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			295,575	03/20/2026	03/20/2026	Class A Common Stock	295,575	$221,681.4	295,575	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		295,575		03/20/2026	03/20/2026	Class A Common Stock	295,575	$738,938	295,575	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			124,828	03/20/2026	03/20/2026	Class A Common Stock	124,828	$280,861.2	124,828	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		124,828		03/20/2026	03/20/2026	Class A Common Stock	124,828	$312,068	124,828	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			124,827	03/20/2026	03/20/2026	Class A Common Stock	124,827	$93,620.4	124,827	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		124,827		03/20/2026	03/20/2026	Class A Common Stock	124,827	$312,068	124,827	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			26,153	03/20/2026	03/20/2026	Class A Common Stock	26,153	$58,845.6	26,153	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		26,153		03/20/2026	03/20/2026	Class A Common Stock	26,153	$65,384	26,153	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Call option (obligation to sell)	$140	08/15/2025		S/K⁽¹⁾			26,154	03/20/2026	03/20/2026	Class A Common Stock	26,154	$19,615.2	26,154	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		26,154		03/20/2026	03/20/2026	Class A Common Stock	26,154	$65,384	26,154	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Call option (obligation to sell)	$135	08/15/2025		S/K⁽¹⁾			235,802	03/20/2026	03/20/2026	Class A Common Stock	235,802	$530,553.6	235,802	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Put option (right to sell)	$80	08/15/2025		P/K⁽¹⁾		235,802		03/20/2026	03/20/2026	Class A Common Stock	235,802	$589,504	235,802	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾

1. Name and Address of Reporting Person^*

Magnetar Financial LLC

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

60201

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Magnetar Capital Partners LP

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

60201

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Supernova Management LLC

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

60201

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Snyderman David J.

(Last)

(First)

(Middle)

1603 ORRINGTON AVENUE

13TH FLOOR

(Street)

EVANSTON

60201

(City)

(State)

(Zip)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. The entity holding the underlying shares of Class A common stock (the "Common Stock") of CoreWeave, Inc. entered into a collar arrangement pursuant to which such entity wrote a covered call option and purchased a put option. Only one of the options can be in-the-money on the expiration date, at which time the in-the-money option will be exercised and settled in shares and the other option will expire. If neither option is in-the-money on the expiration date, both options will expire.

2. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of 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, Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").

3. 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 manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.

4. 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.

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

6. These securities are held directly by Magnetar Structured Credit Fund, LP.

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

8. These securities are held directly by Magnetar SC Fund Ltd.

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

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

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

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

	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as 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	08/19/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP	08/19/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	08/19/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	08/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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