[Form 4] CoreWeave, Inc. Insider Trading Activity

Q: Which entity directly holds the underlying CoreWeave Class A shares?

The filing states the shares are held directly by CW Opportunity LLC (per the footnotes).

Q: How many shares are shown for the largest option block reported?

One reported derivative block shows 235,080 underlying shares for that option series.

Q: Who are the reporting persons named on the Form 4 for CRWV?

Reported parties include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC , and David J. Snyderman (with attorney-in-fact signatures).

Filing Impact

(High)

Filing Sentiment

(Very Positive)

Form Type

Rhea-AI Filing Summary

Magnetar-related entities and David J. Snyderman reported derivative transactions in CoreWeave, Inc. (CRWV) on 08/27/2025. The filing states these entities entered into a collar in which the holder wrote covered call options with a $160 strike and purchased put options with a $70 strike, each series expiring 03/20/2026. Multiple option blocks are reported (largest single block shown: 235,080 underlying shares), and certain lines show “Amount of Securities Beneficially Owned Following Reported Transaction(s)” such as 440,775 shares for one reporting block. The filing identifies CW Opportunity LLC as the direct holder of the underlying Class A common stock and disclaims broader beneficial ownership except for pecuniary interest. Several Magnetar-affiliated entities and individuals are listed as reporting persons and the form is filed by more than one reporting person.

Insights

TL;DR: Magnetar entities implemented a collar on substantial CRWV share blocks, creating paired $160 calls and $70 puts expiring 03/20/2026.

The filing documents multiple covered-call and put-purchase transactions executed on 08/27/2025 across several Magnetar-affiliated accounts with the underlying securities held directly by specified funds (e.g., CW Opportunity LLC). The positions are reported as derivative obligations and rights tied to Class A common stock with explicit strike prices and a uniform expiration date. Reporting structure shows layered ownership through Magnetar Financial, Magnetar Capital Partners, Supernova Management and an individual manager, with disclaimer language limiting claimed beneficial ownership to pecuniary interest.

TL;DR: Multiple Magnetar entities and an affiliated manager disclosed coordinated option transactions and clarified ownership relationships.

The Form 4 lists coordinated transactions by Magnetar Financial LLC and related entities, signed by an attorney-in-fact. Footnotes explain entity relationships and that the securities are held directly by named funds. The filing explicitly disclaims broader beneficial ownership except to the extent of pecuniary interest, and confirms the form was filed by more than one reporting person. All material transaction terms reported (strike prices, expiration date, and share counts per block) are presented within the filing.

08/29/2025 - 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)
08/27/2025

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)	$160	08/27/2025		S/K⁽¹⁾			235,080	03/20/2026	03/20/2026	Class A Common Stock	235,080	$1,716,084	440,775	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		235,080		03/20/2026	03/20/2026	Class A Common Stock	235,080	$2,186,244	440,775	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			30,820	03/20/2026	03/20/2026	Class A Common Stock	30,820	$224,986	57,788	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		30,820		03/20/2026	03/20/2026	Class A Common Stock	30,820	$286,626	57,788	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			3,187	03/20/2026	03/20/2026	Class A Common Stock	3,187	$23,265.1	5,974	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		3,187		03/20/2026	03/20/2026	Class A Common Stock	3,187	$29,639.1	5,974	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			68,703	03/20/2026	03/20/2026	Class A Common Stock	68,703	$501,531.9	128,818	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		68,703		03/20/2026	03/20/2026	Class A Common Stock	68,703	$638,937.9	128,818	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			94,321	03/20/2026	03/20/2026	Class A Common Stock	94,321	$688,543.3	176,852	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		94,321		03/20/2026	03/20/2026	Class A Common Stock	94,321	$877,185.3	176,852	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			118,230	03/20/2026	03/20/2026	Class A Common Stock	118,230	$863,079	221,681	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		118,230		03/20/2026	03/20/2026	Class A Common Stock	118,230	$1,099,539	221,681	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			26,713	03/20/2026	03/20/2026	Class A Common Stock	26,713	$195,004.9	50,087	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		26,713		03/20/2026	03/20/2026	Class A Common Stock	26,713	$248,430.9	50,087	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			100,572	03/20/2026	03/20/2026	Class A Common Stock	100,572	$734,175.6	188,572	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		100,572		03/20/2026	03/20/2026	Class A Common Stock	100,572	$935,319.6	188,572	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			61,982	03/20/2026	03/20/2026	Class A Common Stock	61,982	$452,468.6	116,217	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		61,982		03/20/2026	03/20/2026	Class A Common Stock	61,982	$576,432.6	116,217	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			49,931	03/20/2026	03/20/2026	Class A Common Stock	49,931	$364,496.3	93,621	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁴⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		49,931		03/20/2026	03/20/2026	Class A Common Stock	49,931	$464,358.3	93,621	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁴⁾
Call option (obligation to sell)	$160	08/27/2025		S/K⁽¹⁾			10,461	03/20/2026	03/20/2026	Class A Common Stock	10,461	$76,365.3	19,615	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁵⁾
Put option (right to sell)	$70	08/27/2025		P/K⁽¹⁾		10,461		03/20/2026	03/20/2026	Class A Common Stock	10,461	$97,287.3	19,615	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 CW Opportunity LLC, 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 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 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 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	08/29/2025
	/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	08/29/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	08/29/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	08/29/2025
	** 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 CRWV on 08/27/2025?

The filing reports the writing of covered call options at a $160 strike and the purchase of put options at a $70 strike, each expiring on 03/20/2026.

Which entity directly holds the underlying CoreWeave Class A shares?

The filing states the shares are held directly by CW Opportunity LLC (per the footnotes).

How many shares are shown for the largest option block reported?

One reported derivative block shows 235,080 underlying shares for that option series.

Who are the reporting persons named on the Form 4 for CRWV?

Reported parties include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman (with attorney-in-fact signatures).

Do the reporting persons claim beneficial ownership of the reported shares?

The filing explicitly states that each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management 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 for CRWV on 08/27/2025?

Which entity directly holds the underlying CoreWeave Class A shares?

How many shares are shown for the largest option block reported?

Who are the reporting persons named on the Form 4 for CRWV?

Do the reporting persons claim beneficial ownership of the reported shares?

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[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

Securities Analyst positive

Corporate Governance Expert positive

FAQ

What transactions did Magnetar report for CRWV on 08/27/2025?

Which entity directly holds the underlying CoreWeave Class A shares?

How many shares are shown for the largest option block reported?

Who are the reporting persons named on the Form 4 for CRWV?

Do the reporting persons claim beneficial ownership of the reported shares?

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CRWV Rankings

CRWV Latest News

CRWV Latest SEC Filings

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