[Form 4] CoreWeave, Inc. Insider Trading Activity

Q: How many shares were sold and at what prices in the CRWV Form 4?

The filing lists numerous disposals (examples: 151,243 , 60,683 , 443,363 shares) at weighted-average reported prices around $100.78 (individual trades ranged up to $101.60 per footnote).

Q: Who are the reporting persons on the CoreWeave Form 4?

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

Filing Impact

(High)

Filing Sentiment

(Very Positive)

Form Type

Rhea-AI Filing Summary

Magnetar-affiliated reporting persons disclosed multiple sales of CoreWeave, Inc. (CRWV) Class A common stock on 08/18/2025. The Form 4 shows numerous non-derivative dispositions across Magnetar entities and related persons totaling large share blocks at weighted-average prices around $100.78–$100.82. The filers report indirect ownership through various Magnetar funds and entities and disclaim direct beneficial ownership except for pecuniary interest. The filing also discloses a collar arrangement: simultaneous written covered calls and purchased puts that reference identical share blocks and expire 09/18/2026, meaning settlement will occur in shares if an option is in-the-money at expiration.

Positive

None.

Negative

Multiple large share dispositions by Magnetar entities on 08/18/2025 at weighted-average prices ~$100.78–$100.82, increasing public float
Extensive use of collars (written calls and purchased puts expiring 09/18/2026) could result in future share settlement and caps upside while protecting downside
Concentrated indirect holdings across many Magnetar funds indicate coordinated portfolio actions rather than isolated trades

Insights

TL;DR: Large coordinated sales by Magnetar entities and a collar hedge materially change public float and signal portfolio rebalancing.

The Form 4 documents significant dispositions of Class A shares by Magnetar-affiliated funds on 08/18/2025 at ~ $100.78–$101.60 per share (weighted averages reported). The transactions are reported as indirect holdings across multiple funds, indicating a coordinated sell program rather than a single account trade. The disclosed collar (written calls and purchased puts with 09/18/2026 expiration) hedges downside while capping upside, which is consistent with risk management around concentrated positions. For investors, these sales increase available shares and may pressure secondary-market liquidity near the trade dates; the collar creates potential future share settlement depending on CRWV’s price at expiration.

TL;DR: Proper Section 16 disclosure shows transparency; multiple entities and disclaimers reflect complex ownership structure.

The filing appropriately attributes ownership among Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman and includes standard disclaimers of beneficial ownership except for pecuniary interests. Multiple funds are identified as direct holders for specific tranches, which clarifies where economic exposure resides. The signatures and attorney-in-fact attestations complete procedural requirements. From a governance standpoint, the disclosure is comprehensive and meets Rule 16 reporting requirements, though the pattern of large sales by insiders or related funds can raise stakeholder questions about strategic alignment.

08/19/2025 - 09:35 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)
08/18/2025

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)
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	08/18/2025		S		44,201	D	$100.78	7,074,292	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾
Class A Common Stock	08/18/2025		S		34,986	D	$100.82⁽⁵⁾	7,526,845	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁶⁾
Class A Common Stock	08/18/2025		S		151,243	D	$100.78	29,192,874	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁷⁾
Class A Common Stock	08/18/2025		S		19,829	D	$100.78	2,491,395	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁸⁾
Class A Common Stock	08/18/2025		S		2,050	D	$100.78	395,707	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁹⁾
Class A Common Stock	08/18/2025		S		60,683	D	$100.78	9,042,977	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹⁰⁾
Class A Common Stock	08/18/2025		S		76,066	D	$100.78	10,005,112	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹¹⁾
Class A Common Stock	08/18/2025		S		17,187	D	$100.78	1,981,431	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹²⁾
Class A Common Stock	08/18/2025		S		64,705	D	$100.78	11,581,305	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹³⁾
Class A Common Stock	08/18/2025		S		39,878	D	$100.78	5,025,297	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹⁴⁾
Class A Common Stock	08/18/2025		S		32,124	D	$100.78	4,448,925	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹⁵⁾
Class A Common Stock	08/18/2025		S		6,730	D	$100.78	1,169,417	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹⁶⁾
Class A Common Stock								4,417,607	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽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)	$180	08/18/2025		S/K⁽¹⁸⁾			257,634	09/18/2026	09/18/2026	Class A Common Stock	257,634	$3,864,510	257,634	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		257,634		09/18/2026	09/18/2026	Class A Common Stock	257,634	$4,508,595	257,634	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			881,551	09/18/2026	09/18/2026	Class A Common Stock	881,551	$13,223,265	881,551	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁷⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		881,551		09/18/2026	09/18/2026	Class A Common Stock	881,551	$15,427,142.5	881,551	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁷⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			115,575	09/18/2026	09/18/2026	Class A Common Stock	115,575	$1,733,625	115,575	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁸⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		115,575		09/18/2026	09/18/2026	Class A Common Stock	115,575	$2,022,562.5	115,575	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁸⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			11,949	09/18/2026	09/18/2026	Class A Common Stock	11,949	$179,235	11,949	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁹⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		11,949		09/18/2026	09/18/2026	Class A Common Stock	11,949	$209,107.5	11,949	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽⁹⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			353,703	09/18/2026	09/18/2026	Class A Common Stock	353,703	$5,305,545	353,703	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹⁰⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		353,703		09/18/2026	09/18/2026	Class A Common Stock	353,703	$6,189,802.5	353,703	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹⁰⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			443,363	09/18/2026	09/18/2026	Class A Common Stock	443,363	$6,650,445	443,363	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹¹⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		443,363		09/18/2026	09/18/2026	Class A Common Stock	443,363	$7,758,852.5	443,363	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹¹⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			100,176	09/18/2026	09/18/2026	Class A Common Stock	100,176	$1,502,640	100,176	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹²⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		100,176		09/18/2026	09/18/2026	Class A Common Stock	100,176	$1,753,080	100,176	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹²⁾
Call option (obligation to sell)	$180	08/18/2025		S/K⁽¹⁸⁾			377,144	09/18/2026	09/18/2026	Class A Common Stock	377,144	$5,657,160	377,144	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽¹³⁾
Put option (right to sell)	$75	08/18/2025		P/K⁽¹⁸⁾		377,144		09/18/2026	09/18/2026	Class A Common Stock	377,144	$6,600,020	377,144	I	Footnotes⁽¹⁾⁽²⁾⁽³⁾⁽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. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of 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, Longhorn Special Opportunities Fund LP, CW Opportunity LLC and CW Opportunity 2 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").

2. 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.

3. 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.

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

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $100.78 to $101.60, 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.

6. These securities are held directly by CW Opportunity 2 LP.

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

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

9. These securities are held directly by Magnetar Capital 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 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.

	/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
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 report on Form 4 for CoreWeave (CRWV)?

Magnetar-reported multiple sales of Class A common stock on 08/18/2025 and disclosed collar option arrangements expiring 09/18/2026.

How many shares were sold and at what prices in the CRWV Form 4?

The filing lists numerous disposals (examples: 151,243, 60,683, 443,363 shares) at weighted-average reported prices around $100.78 (individual trades ranged up to $101.60 per footnote).

Who are the reporting persons on the CoreWeave Form 4?

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

What is the nature of the options/collar disclosed in the filing?

The filing describes a collar where the holder wrote covered calls and purchased puts (strike prices shown at $180 for calls and $75 for puts) over identical share blocks; only the in‑the‑money option at expiration will be exercised and settled in shares.

Do the filers claim beneficial ownership of the sold shares?

The filers disclaim beneficial ownership of the shares except to the extent of their pecuniary interest and state specific funds directly hold the securities.

[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

FAQ

What did Magnetar report on Form 4 for CoreWeave (CRWV)?

How many shares were sold and at what prices in the CRWV Form 4?

Who are the reporting persons on the CoreWeave Form 4?

What is the nature of the options/collar disclosed in the filing?

Do the filers claim beneficial ownership of the sold shares?

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[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

Securities Analyst neutral

Corporate Governance Expert neutral

FAQ

What did Magnetar report on Form 4 for CoreWeave (CRWV)?

How many shares were sold and at what prices in the CRWV Form 4?

Who are the reporting persons on the CoreWeave Form 4?

What is the nature of the options/collar disclosed in the filing?

Do the filers claim beneficial ownership of the sold shares?

NASDAQ:CRWV

CRWV Rankings

CRWV Latest News

CRWV Latest SEC Filings

CRWV Stock Data