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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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 IL 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) 08/18/2025
	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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Call option (obligation to sell)	$180	08/18/2025		S/K(1)			232,434	09/18/2026	09/18/2026	Class A Common Stock	232,434	$3,486,510	232,434	I	Footnotes(2)(3)(4)(5)
Put option (right to sell)	$75	08/18/2025		P/K(1)		232,434		09/18/2026	09/18/2026	Class A Common Stock	232,434	$4,067,595	232,434	I	Footnotes(2)(3)(4)(5)
Call option (obligation to sell)	$180	08/18/2025		S/K(1)			187,241	09/18/2026	09/18/2026	Class A Common Stock	187,241	$2,808,615	187,241	I	Footnotes(2)(3)(4)(6)
Put option (right to sell)	$75	08/18/2025		P/K(1)		187,241		09/18/2026	09/18/2026	Class A Common Stock	187,241	$3,276,717.5	187,241	I	Footnotes(2)(3)(4)(6)
Call option (obligation to sell)	$180	08/18/2025		S/K(1)			39,230	09/18/2026	09/18/2026	Class A Common Stock	39,230	$588,450	39,230	I	Footnotes(2)(3)(4)(7)
Put option (right to sell)	$75	08/18/2025		P/K(1)		39,230		09/18/2026	09/18/2026	Class A Common Stock	39,230	$686,525	39,230	I	Footnotes(2)(3)(4)(7)

1. Name and Address of Reporting Person* Magnetar Financial LLC (Last) (First) (Middle) 1603 ORRINGTON AVENUE 13TH FLOOR (Street) EVANSTON IL 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 IL 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 IL 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 IL 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 Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T 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 Xing He Master Fund Ltd.

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

7. These securities are held directly by Purpose Alternative Credit Fund - T 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
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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