[Form 4] CoreWeave, Inc. Insider Trading Activity

Q: Did the filing disclose any option positions related to CRWV?

Yes. The holders wrote covered call options at a $200 strike and purchased put options at a $82.50 strike, both expiring on 06/18/2026 , with the underlying share counts disclosed.

Q: Which Magnetar entities are listed as reporting persons?

Reporting persons include Magnetar Financial LLC , Magnetar Capital Partners LP , Supernova Management LLC and David J. Snyderman .

Q: When was the Form 4 signed?

Signatures by an attorney-in-fact are dated 09/11/2025 in the filing.

Filing Impact

(High)

Filing Sentiment

(Very Positive)

Form Type

Rhea-AI Filing Summary

Magnetar-related reporting persons disclosed multiple sales of CoreWeave, Inc. (CRWV) Class A common stock on 09/10/2025. Numerous Magnetar entities and affiliates sold blocks of shares at prices in a range from $118.10 to $118.42 (weighted average reported), reducing their reported beneficial holdings across several funds and vehicles. The filing shows related collar derivative positions entered by the holders: written covered calls at a $200 strike and purchased puts at an $82.50 strike, both expiring on 06/18/2026, with matching share counts underlying the options. Reporting entities include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, identified as a director and a 10% owner group. The form is signed by an attorney-in-fact on 09/11/2025.

Positive

Disclosure of collar strategy: The filing explicitly shows written covered calls at $200 and purchased puts at $82.50 expiring 06/18/2026, documenting downside protection.
Complete attribution: Reporting names and relationships (Magnetar entities and David J. Snyderman) and signature attestations are provided, improving transparency.

Negative

Significant share dispositions: Multiple Magnetar-affiliated entities sold large blocks of CRWV Class A stock on 09/10/2025 at prices between $118.10 and $118.42, reducing reported holdings.
Potential concentration change: The sales and option activity represent a material change in the composition of Magnetar’s beneficial ownership as reported.

Insights

TL;DR: Magnetar affiliates executed sizable share disposals and hold offsetting collars, which is a material ownership change for CRWV.

The Form 4 discloses multiple sizeable dispositions of Class A shares by Magnetar-affiliated funds on 09/10/2025 at prices reported between $118.10 and $118.42, with remaining beneficial holdings shown for each vehicle. Concurrently, the holders entered collar arrangements: written covered calls at $200 and purchased puts at $82.50, both expiring 06/18/2026, with share counts that mirror the underlying positions. This combination of cash sales and protective option positions is a clear, document-supported change in the ownership and risk profile of Magnetar’s stake in CRWV.

TL;DR: Filing correctly discloses reporting relationships and aggregated ownership across Magnetar entities; signatures are in order.

The Form 4 lists Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman and includes explanatory footnotes describing advisory relationships and disclaimers of beneficial ownership except for pecuniary interest. The filing indicates joint reporting by multiple related entities and is signed by an authorized attorney-in-fact on 09/11/2025, satisfying the document’s procedural requirements as presented.

09/11/2025 - 09:11 PM

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

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)
09/10/2025

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)
Class A Common Stock	09/10/2025		S		53,819	D	$118.39⁽¹⁾	7,086,387	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Class A Common Stock	09/10/2025		S		222,734	D	$118.42	28,616,430	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Class A Common Stock	09/10/2025		S		29,201	D	$118.42	2,415,822	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Class A Common Stock	09/10/2025		S		3,019	D	$118.42	387,894	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Class A Common Stock	09/10/2025		S		65,094	D	$118.42	6,905,825	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Class A Common Stock	09/10/2025		S		89,367	D	$118.42	8,811,691	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Class A Common Stock	09/10/2025		S		112,020	D	$118.42	9,715,199	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Class A Common Stock	09/10/2025		S		25,310	D	$118.42	1,915,926	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Class A Common Stock	09/10/2025		S		95,289	D	$118.42	11,334,693	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Class A Common Stock	09/10/2025		S		58,727	D	$118.42	4,873,309	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁴⁾
Class A Common Stock	09/10/2025		S		47,308	D	$118.42	4,326,489	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁵⁾
Class A Common Stock	09/10/2025		S		9,912	D	$118.42	1,143,763	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁶⁾
Class A Common Stock								4,417,607	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁷⁾

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)	$200	09/10/2025		S/K⁽¹⁸⁾			91,114	06/18/2026	06/18/2026	Class A Common Stock	91,114	$1,002,254	91,114	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		91,114		06/18/2026	06/18/2026	Class A Common Stock	91,114	$1,184,482	91,114	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			414,002	06/18/2026	06/18/2026	Class A Common Stock	414,002	$4,554,022	414,002	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		414,002		06/18/2026	06/18/2026	Class A Common Stock	414,002	$5,382,026	414,002	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			54,277	06/18/2026	06/18/2026	Class A Common Stock	54,277	$597,047	54,277	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		54,277		06/18/2026	06/18/2026	Class A Common Stock	54,277	$705,601	54,277	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			5,612	06/18/2026	06/18/2026	Class A Common Stock	5,612	$61,732	5,612	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		5,612		06/18/2026	06/18/2026	Class A Common Stock	5,612	$72,956	5,612	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			120,993	06/18/2026	06/18/2026	Class A Common Stock	120,993	$1,330,923	120,993	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		120,993		06/18/2026	06/18/2026	Class A Common Stock	120,993	$1,572,909	120,993	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			166,109	06/18/2026	06/18/2026	Class A Common Stock	166,109	$1,827,199	166,109	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		166,109		06/18/2026	06/18/2026	Class A Common Stock	166,109	$2,159,417	166,109	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			208,216	06/18/2026	06/18/2026	Class A Common Stock	208,216	$2,290,376	208,216	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		208,216		06/18/2026	06/18/2026	Class A Common Stock	208,216	$2,706,808	208,216	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Call option (obligation to sell)	$200	09/10/2025		S/K⁽¹⁸⁾			47,045	06/18/2026	06/18/2026	Class A Common Stock	47,045	$517,495	47,045	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Put option (right to sell)	$82.5	09/10/2025		P/K⁽¹⁸⁾		47,045		06/18/2026	06/18/2026	Class A Common Stock	47,045	$611,585	47,045	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 price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.10 to $118.42, 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.

2. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 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, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, 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").

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 CW Opportunity 2 LP.

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

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

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

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

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

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

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

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

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

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

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

17. These securities are held directly by Longhorn Special Opportunities Fund LP.

18. The entity holding the underlying shares of Class A common stock (the "Common Stock") of the Issuer 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.

	/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	09/11/2025
	/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	09/11/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	09/11/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	09/11/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What transactions did Magnetar report for CoreWeave (CRWV)?

The filing reports multiple sales of Class A common stock by Magnetar-affiliated entities on 09/10/2025 at prices ranging from $118.10 to $118.42 (weighted average disclosed).

Did the filing disclose any option positions related to CRWV?

Yes. The holders wrote covered call options at a $200 strike and purchased put options at a $82.50 strike, both expiring on 06/18/2026, with the underlying share counts disclosed.

Which Magnetar entities are listed as reporting persons?

Reporting persons include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman.

When was the Form 4 signed?

Signatures by an attorney-in-fact are dated 09/11/2025 in the filing.

Do the filing footnotes explain ownership and disclaimers?

Yes. Footnotes describe which specific Magnetar funds directly hold the shares and state that the reporting entities disclaim beneficial ownership except to the extent of pecuniary interest.

[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

FAQ

What transactions did Magnetar report for CoreWeave (CRWV)?

Did the filing disclose any option positions related to CRWV?

Which Magnetar entities are listed as reporting persons?

When was the Form 4 signed?

Do the filing footnotes explain ownership and disclaimers?

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[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

Financial Analyst negative

Corporate Governance Expert neutral

FAQ

What transactions did Magnetar report for CoreWeave (CRWV)?

Did the filing disclose any option positions related to CRWV?

Which Magnetar entities are listed as reporting persons?

When was the Form 4 signed?

Do the filing footnotes explain ownership and disclaimers?

NASDAQ:CRWV

CRWV Rankings

CRWV Latest News

CRWV Latest SEC Filings

CRWV Stock Data