[Form 4] CoreWeave, Inc. Insider Trading Activity

Q: What transactions did Magnetar report on CoreWeave (CRWV)?

Magnetar reported entering collar arrangements on 08/21/2025 pairing written calls at a $155 strike with purchased puts at a $70 strike, all expiring 06/18/2026 .

Filing Impact

(High)

Filing Sentiment

(Very Positive)

Form Type

Rhea-AI Filing Summary

Magnetar-related entities disclosed multiple collar option positions on CoreWeave, Inc. (CRWV) entered on 08/21/2025. The arrangement pairs covered call obligations at a $155 strike with put rights at a $70 strike, each set expiring on 06/18/2026, and only the in-the-money option will be exercised and settled in shares at expiration. The reported positions are held across several Magnetar-managed funds and total multiple tranches of Class A common stock exposure, including specific lot sizes such as 587,701, 295,575, and other tranches, each shown as indirectly owned. Filers disclaim beneficial ownership except for pecuniary interest; signatures were provided by an attorney-in-fact for David J. Snyderman.

Positive

Comprehensive disclosure of derivative positions including strikes, expirations, and tranche sizes
Clear attribution showing which Magnetar-managed funds directly hold the underlying shares
Legal attestations and attorney-in-fact signatures accompany the filing

Negative

None.

Insights

TL;DR: Magnetar entities established sizeable collars on CRWV, creating capped upside and downside protection through matched calls and puts.

The filing documents a multi-tranche collar strategy entered 08/21/2025 with common-stock-settled call obligations at $155 and purchased puts at $70, all expiring 06/18/2026. Holdings are allocated across several Magnetar funds and reported as indirect ownership, with specific share counts disclosed for each tranche. The disclosure clarifies only one option can be in-the-money at expiration and identifies the direct holders. This is a detailed Section 16 disclosure of derivative activity rather than a simple open-market trade.

TL;DR: The filing shows coordinated trading by related Magnetar entities with clear attribution and disclaimers of beneficial ownership.

The Form 4 lists Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman in the reporting chain and includes explicit disclaimers of beneficial ownership except for pecuniary interest. Signatures are provided via attorney-in-fact. The filing appropriately discloses the collar structure and the entities holding the underlying Class A shares, satisfying Section 16 transparency requirements for derivative positions.

08/25/2025 - 08:00 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)
08/21/2025

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)	$155	08/21/2025		S/K⁽¹⁾			171,756	06/18/2026	06/18/2026	Class A Common Stock	171,756	$1,717,560	171,756	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		171,756		06/18/2026	06/18/2026	Class A Common Stock	171,756	$2,189,889	171,756	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			587,701	06/18/2026	06/18/2026	Class A Common Stock	587,701	$5,877,010	587,701	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		587,701		06/18/2026	06/18/2026	Class A Common Stock	587,701	$7,493,187.75	587,701	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			77,050	06/18/2026	06/18/2026	Class A Common Stock	77,050	$770,500	77,050	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		77,050		06/18/2026	06/18/2026	Class A Common Stock	77,050	$982,387.5	77,050	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			7,966	06/18/2026	06/18/2026	Class A Common Stock	7,966	$79,660	7,966	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		7,966		06/18/2026	06/18/2026	Class A Common Stock	7,966	$101,566.5	7,966	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			235,802	06/18/2026	06/18/2026	Class A Common Stock	235,802	$2,358,020	235,802	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		235,802		06/18/2026	06/18/2026	Class A Common Stock	235,802	$3,006,475.5	235,802	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			295,575	06/18/2026	06/18/2026	Class A Common Stock	295,575	$2,955,750	295,575	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		295,575		06/18/2026	06/18/2026	Class A Common Stock	295,575	$3,768,581.25	295,575	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			66,784	06/18/2026	06/18/2026	Class A Common Stock	66,784	$667,840	66,784	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		66,784		06/18/2026	06/18/2026	Class A Common Stock	66,784	$851,496	66,784	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			251,430	06/18/2026	06/18/2026	Class A Common Stock	251,430	$2,514,300	251,430	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		251,430		06/18/2026	06/18/2026	Class A Common Stock	251,430	$3,205,732.5	251,430	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			154,956	06/18/2026	06/18/2026	Class A Common Stock	154,956	$1,549,560	154,956	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		154,956		06/18/2026	06/18/2026	Class A Common Stock	154,956	$1,975,689	154,956	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			124,827	06/18/2026	06/18/2026	Class A Common Stock	124,827	$1,248,270	124,827	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁴⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		124,827		06/18/2026	06/18/2026	Class A Common Stock	124,827	$1,591,544.25	124,827	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁴⁾
Call option (obligation to sell)	$155	08/21/2025		S/K⁽¹⁾			26,153	06/18/2026	06/18/2026	Class A Common Stock	26,153	$261,530	26,153	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁵⁾
Put option (right to sell)	$70	08/21/2025		P/K⁽¹⁾		26,153		06/18/2026	06/18/2026	Class A Common Stock	26,153	$333,450.75	26,153	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁵⁾

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, CW Opportunity LLC, Magnetar Capital Master Fund, 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 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 Magnetar Constellation Master Fund, Ltd.

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 Lake Credit Fund LLC.

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

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

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

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

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

15. 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	08/25/2025
	/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	08/25/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	08/25/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	08/25/2025
	** 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 on CoreWeave (CRWV)?

Magnetar reported entering collar arrangements on 08/21/2025 pairing written calls at a $155 strike with purchased puts at a $70 strike, all expiring 06/18/2026.

How are the positions settled according to the Form 4?

The options are to be settled in shares of Class A common stock at expiration; only the in-the-money option will be exercised and settled in shares, the other will expire.

Which entities hold the underlying CoreWeave shares?

Underlying shares are held directly by various Magnetar funds, including Magnetar Constellation Master Fund, CW Opportunity LLC, Magnetar Alpha Star Fund LLC, Magnetar Capital Master Fund, Magnetar Lake Credit Fund LLC, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Structured Credit Fund, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC.

Who signed the Form 4?

The Form 4 is signed by Hayley A. Stein as attorney-in-fact for David J. Snyderman in multiple capacities on 08/25/2025.

Does the filing assert beneficial ownership by the reporting persons?

The filing states each Magnetar entity and David J. Snyderman disclaims beneficial ownership of the shares except to the extent of pecuniary interest.

[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

FAQ

What transactions did Magnetar report on CoreWeave (CRWV)?

How are the positions settled according to the Form 4?

Which entities hold the underlying CoreWeave shares?

Who signed the Form 4?

Does the filing assert beneficial ownership by the reporting persons?

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[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

Securities Analyst neutral

Corporate Governance Expert neutral

FAQ

What transactions did Magnetar report on CoreWeave (CRWV)?

How are the positions settled according to the Form 4?

Which entities hold the underlying CoreWeave shares?

Who signed the Form 4?

Does the filing assert beneficial ownership by the reporting persons?

NASDAQ:CRWV

CRWV Rankings

CRWV Latest News

CRWV Latest SEC Filings

CRWV Stock Data