[Form 4] CoreWeave, Inc. Insider Trading Activity

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

Reporting persons include Magnetar Financial LLC , Magnetar Capital Partners LP , Supernova Management LLC , and David J. Snyderman (as manager), each identified as a director and 10% owner or affiliated with such funds.

Q: Do the reporting persons claim beneficial ownership of the shares sold?

They state that each Magnetar fund and related entity disclaims beneficial ownership</b of the shares except to the extent of any pecuniary interest, and the filing specifies which entity directly holds each tranche.

Filing Impact

(High)

Filing Sentiment

(Very Positive)

Form Type

Rhea-AI Filing Summary

Magnetar-related entities disclosed multiple sales of CoreWeave (CRWV) Class A common stock on 08/28/2025, reporting numerous disposals across affiliated funds and vehicles at weighted average prices around $103 per share. The Form 4 shows dozens of non-derivative share dispositions totaling large share counts across individual Magnetar funds and consolidated indirect holdings, with many transactions priced between $102.97 and $103.18.

The filing also reports related collar arrangements: certain entities wrote covered call options and bought put options covering identical share blocks that expire 03/20/2026, with strike prices shown at $175 (call obligations) and $70 (put rights). The reporting persons include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, who disclaim beneficial ownership except for pecuniary interest.

Positive

None.

Negative

Large, contemporaneous sales by a 10% owner and affiliated funds on 08/28/2025 at ~ $103 per share, which could increase near-term share supply.
Hedged positions via collars (written calls at $175 and purchased puts at $70 expiring 03/20/2026) cap upside and indicate risk management that may reduce future share retention.
Multiple affiliated entities executed disposals across numerous funds and vehicles, highlighting concentration of sales within a single shareholder group.

Insights

TL;DR: A major shareholder group executed sizable share sales and holds offsetting collar positions, a material capital structure event for CRWV.

The Form 4 documents extensive dispositions by a 10% owner and affiliated funds on 08/28/2025 at roughly $103 per share, reducing direct holdings across multiple Magnetar vehicles while maintaining indirect aggregated positions. The simultaneous disclosure of written calls and purchased puts forming collars expiring 03/20/2026 indicates a hedged downside protection combined with capped upside for those share blocks. This is material because the sellers are an affiliated, large shareholder group and the transactions change the immediate liquidity and potential near-term supply of shares.

TL;DR: Insider sales by a director/10% owner are highly relevant to governance and shareholder signaling.

The reporting persons include a director and entities that qualify as a 10% owner, which elevates the governance significance of these trades. The filing appropriately discloses disclaimers of beneficial ownership except for pecuniary interest and identifies underlying holders for each tranche. The documented collar strategy and multiple affiliated sellers warrant disclosure scrutiny and may prompt investor questions about long-term alignment and share dilution or supply effects.

08/29/2025 - 08:01 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)
08/28/2025

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	08/28/2025		S		307,164	D	$103.15⁽¹⁾	7,199,615	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾
Class A Common Stock	08/28/2025		S		178,714	D	$103.18	29,013,965	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Class A Common Stock	08/28/2025		S		23,429	D	$103.18	2,467,940	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Class A Common Stock	08/28/2025		S		2,421	D	$103.18	393,283	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Class A Common Stock	08/28/2025		S		52,229	D	$103.18	7,022,006	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Class A Common Stock	08/28/2025		S		71,704	D	$103.18	8,971,194	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Class A Common Stock	08/28/2025		S		89,881	D	$103.18	9,915,133	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Class A Common Stock	08/28/2025		S		20,309	D	$103.18	1,961,100	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Class A Common Stock	08/28/2025		S		76,456	D	$103.18	11,504,765	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Class A Common Stock	08/28/2025		S		47,120	D	$103.18	4,978,125	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁴⁾
Class A Common Stock	08/28/2025		S		37,959	D	$103.18	4,410,924	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁵⁾
Class A Common Stock	08/28/2025		S		7,953	D	$103.18	1,161,455	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)	$175	08/28/2025		S/K⁽¹⁸⁾			176,310	03/20/2026	03/20/2026	Class A Common Stock	176,310	$1,234,170	176,310	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		176,310		03/20/2026	03/20/2026	Class A Common Stock	176,310	$1,410,480	176,310	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁶⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			23,115	03/20/2026	03/20/2026	Class A Common Stock	23,115	$161,805	23,115	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		23,115		03/20/2026	03/20/2026	Class A Common Stock	23,115	$184,920	23,115	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁷⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			2,390	03/20/2026	03/20/2026	Class A Common Stock	2,390	$16,730	2,390	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		2,390		03/20/2026	03/20/2026	Class A Common Stock	2,390	$19,120	2,390	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁸⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			51,527	03/20/2026	03/20/2026	Class A Common Stock	51,527	$360,689	51,527	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		51,527		03/20/2026	03/20/2026	Class A Common Stock	51,527	$412,216	51,527	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽⁹⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			70,741	03/20/2026	03/20/2026	Class A Common Stock	70,741	$495,187	70,741	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		70,741		03/20/2026	03/20/2026	Class A Common Stock	70,741	$565,928	70,741	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹⁰⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			88,673	03/20/2026	03/20/2026	Class A Common Stock	88,673	$620,711	88,673	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		88,673		03/20/2026	03/20/2026	Class A Common Stock	88,673	$709,384	88,673	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹¹⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			20,035	03/20/2026	03/20/2026	Class A Common Stock	20,035	$140,245	20,035	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		20,035		03/20/2026	03/20/2026	Class A Common Stock	20,035	$160,280	20,035	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹²⁾
Call option (obligation to sell)	$175	08/28/2025		S/K⁽¹⁸⁾			75,428	03/20/2026	03/20/2026	Class A Common Stock	75,428	$527,996	75,428	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾
Put option (right to sell)	$70	08/28/2025		P/K⁽¹⁸⁾		75,428		03/20/2026	03/20/2026	Class A Common Stock	75,428	$603,424	75,428	I	Footnotes⁽²⁾⁽³⁾⁽⁴⁾⁽¹³⁾

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 $102.97 to $103.18, 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	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 did Magnetar disclose on the CRWV Form 4 dated 08/28/2025?

The filing reports multiple sales of CRWV Class A shares by Magnetar-related entities on 08/28/2025 at weighted average prices ranging from $102.97 to $103.18 and shows associated collar option positions expiring 03/20/2026.

How many shares did Magnetar entities sell on 08/28/2025 according to the Form 4?

The Form 4 lists numerous sale line items across funds; individual disposals include amounts such as 307,164, 178,714, and others. The filing aggregates multiple tranches across affiliated entities.

What option positions were disclosed related to the CRWV shares?

The filing discloses collar arrangements: written call obligations with a $175 strike and purchased put rights with a $70 strike covering the same share blocks, expiring on 03/20/2026.

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

Reporting persons include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman (as manager), each identified as a director and 10% owner or affiliated with such funds.

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

They state that each Magnetar fund and related entity disclaims beneficial ownership

[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

FAQ

What did Magnetar disclose on the CRWV Form 4 dated 08/28/2025?

How many shares did Magnetar entities sell on 08/28/2025 according to the Form 4?

What option positions were disclosed related to the CRWV shares?

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

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

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[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

Securities Analyst neutral

Corporate Governance Expert neutral

FAQ

What did Magnetar disclose on the CRWV Form 4 dated 08/28/2025?

How many shares did Magnetar entities sell on 08/28/2025 according to the Form 4?

What option positions were disclosed related to the CRWV shares?

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

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

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