CRWV Form 4: Magnetar affiliates report open‑market share sales

Q: At what prices were CRWV shares sold in the reported transactions?

Weighted average prices within ranges, including $133.75–$134.53 , $135.00–$135.50 , $136.06–$136.80 , and $137.50–$138.26 .

Q: How many CRWV shares were included in notable line items?

Examples include 96,396 shares at a weighted average price of $135.10 and 38,674 shares at $135.10 .

Q: Were these sales made directly or indirectly by the reporting persons?

They were reported as indirect holdings across several Magnetar‑managed funds.

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

They disclaim beneficial ownership except to the extent of their pecuniary interest.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave, Inc. (CRWV) — insider transaction filing: Entities affiliated with Magnetar reported multiple open‑market sales of CoreWeave Class A common stock on 10/31/2025, coded “S”. The filing lists weighted average sale prices within disclosed ranges, including $133.75–$134.53, $135.00–$135.50, $136.06–$136.80, and $137.50–$138.26, with individual line items such as 96,396 shares at a weighted average price of $135.10 and 38,674 shares at $135.10.

The transactions were reported as indirect holdings across several Magnetar-managed funds, and the reporting persons state they will provide detailed trade‑by‑trade prices upon request. The filing notes customary disclaimers that the reporting persons disclaim beneficial ownership except to the extent of pecuniary interest.

Insights

Routine insider sales at stated weighted prices; neutral signal.

The filing records multiple open‑market sales of CoreWeave Class A shares by Magnetar‑affiliated entities on 10/31/2025, using transaction code “S.” Prices are presented as weighted averages with detailed intraday price ranges provided for each block.

Sales were reported as indirect through several funds. The disclosure includes standard disclaimers about beneficial ownership limited to pecuniary interest. Actual market impact depends on aggregate size relative to trading volume and float, which this excerpt does not quantify.

The presence of weighted average ranges and a commitment to furnish trade‑level detail upon request is typical. Subsequent filings may provide additional context on any further transactions.

Insider Trade Summary

Net Seller: 331,324 shares ($44,942,837)

Net Sell 28 txns

Insider Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner

Sold 331,324 shs ($44.94M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,588	$134.15	$213K
Sale	Class A Common Stock	21,714	$135.10	$2.93M
Sale	Class A Common Stock	7,572	$136.51	$1.03M
Sale	Class A Common Stock	3,506	$137.82	$483K
Sale	Class A Common Stock	2,200	$134.01	$295K
Sale	Class A Common Stock	96,396	$135.10	$13.02M
Sale	Class A Common Stock	32,136	$136.52	$4.39M
Sale	Class A Common Stock	12,743	$137.86	$1.76M
Sale	Class A Common Stock	512	$134.01	$69K
Sale	Class A Common Stock	22,314	$135.10	$3.01M
Sale	Class A Common Stock	7,439	$136.52	$1.02M
Sale	Class A Common Stock	2,950	$137.86	$407K
Sale	Class A Common Stock	288	$134.01	$39K
Sale	Class A Common Stock	12,636	$135.10	$1.71M
Sale	Class A Common Stock	4,213	$136.52	$575K
Sale	Class A Common Stock	1,671	$137.86	$230K
Sale	Class A Common Stock	32	$134.01	$4K
Sale	Class A Common Stock	1,305	$135.10	$176K
Sale	Class A Common Stock	435	$136.52	$59K
Sale	Class A Common Stock	175	$137.86	$24K
Sale	Class A Common Stock	648	$134.01	$87K
Sale	Class A Common Stock	28,168	$135.10	$3.81M
Sale	Class A Common Stock	9,390	$136.52	$1.28M
Sale	Class A Common Stock	3,724	$137.86	$513K
Sale	Class A Common Stock	888	$134.01	$119K
Sale	Class A Common Stock	38,674	$135.10	$5.22M
Sale	Class A Common Stock	12,893	$136.52	$1.76M
Sale	Class A Common Stock	5,114	$137.86	$705K

Holdings After Transaction: Class A Common Stock — 5,535,790 shares (Indirect, Footnotes)

Footnotes (1)

The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $133.75 to $134.53, 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 and in footnotes 2, 3, 4, 5, 6, and 7. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.00 to $135.50 inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.06 to $136.80, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.50 to $138.26, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $133.75 to $134.50, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.00 to $135.10, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.54 to $138.26, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, and Magnetar Constellation Master Fund, Ltd and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds"). 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 administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America. 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. These securities are held directly by CW Opportunity 2 LP. These securities are held directly by CW Opportunity LLC. These securities are held directly by Longhorn Special Opportunities Fund LP. These securities are held directly by Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar Capital Master Fund, Ltd. These securities are held directly by Magnetar Constellation Master Fund, Ltd. These securities are held directly by Magnetar Lake Credit Fund LLC.

Form 4 Insider Transactions: What Each Field Means →

10/31/2025 - 09:36 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)
10/31/2025

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	10/31/2025		S		1,588	D	$134.15⁽¹⁾	5,535,790	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/31/2025		S		21,714	D	$135.1⁽²⁾	5,514,076	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/31/2025		S		7,572	D	$136.51⁽³⁾	5,506,504	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/31/2025		S		3,506	D	$137.82⁽⁴⁾	5,502,998	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/31/2025		S		2,200	D	$134.01⁽⁵⁾	22,243,575	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/31/2025		S		96,396	D	$135.1⁽⁶⁾	22,147,179	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/31/2025		S		32,136	D	$136.52	22,115,043	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/31/2025		S		12,743	D	$137.86⁽⁷⁾	22,102,300	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/31/2025		S		512	D	$134.01⁽⁵⁾	2,006,974	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/31/2025		S		22,314	D	$135.1⁽⁶⁾	1,984,660	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/31/2025		S		7,439	D	$136.52	1,977,221	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/31/2025		S		2,950	D	$137.86⁽⁷⁾	1,974,271	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/31/2025		S		288	D	$134.01⁽⁵⁾	1,580,281	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/31/2025		S		12,636	D	$135.1⁽⁶⁾	1,567,645	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/31/2025		S		4,213	D	$136.52	1,563,432	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/31/2025		S		1,671	D	$137.86⁽⁷⁾	1,561,761	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/31/2025		S		32	D	$134.01⁽⁵⁾	301,458	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/31/2025		S		1,305	D	$135.1⁽⁶⁾	300,153	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/31/2025		S		435	D	$136.52	299,718	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/31/2025		S		175	D	$137.86⁽⁷⁾	299,543	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/31/2025		S		648	D	$134.01⁽⁵⁾	5,043,271	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/31/2025		S		28,168	D	$135.1⁽⁶⁾	5,015,103	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/31/2025		S		9,390	D	$136.52	5,005,713	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/31/2025		S		3,724	D	$137.86⁽⁷⁾	5,001,989	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/31/2025		S		888	D	$134.01⁽⁵⁾	6,254,688	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁷⁾
Class A Common Stock	10/31/2025		S		38,674	D	$135.1⁽⁶⁾	6,216,014	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁷⁾
Class A Common Stock	10/31/2025		S		12,893	D	$136.52	6,203,121	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁷⁾
Class A Common Stock	10/31/2025		S		5,114	D	$137.86⁽⁷⁾	6,198,007	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽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)

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 $133.75 to $134.53, 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 and in footnotes 2, 3, 4, 5, 6, and 7.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.00 to $135.50 inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.06 to $136.80, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.50 to $138.26, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $133.75 to $134.50, inclusive.

6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.00 to $135.10, inclusive.

7. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.54 to $138.26, inclusive.

8. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Longhorn Special Opportunities Fund LP, Magnetar Capital Master Fund, Ltd, and Magnetar Constellation Master Fund, Ltd and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").

9. 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 administrative manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.

10. 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.

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

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

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

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

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

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

17. These securities are held directly by Magnetar Lake Credit Fund 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	10/31/2025
	/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	10/31/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/31/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/31/2025
	** 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 CoreWeave (CRWV) insiders report on the Form 4?

Magnetar‑affiliated entities reported multiple open‑market sales of Class A common stock on 10/31/2025, coded “S.”

At what prices were CRWV shares sold in the reported transactions?

Weighted average prices within ranges, including $133.75–$134.53, $135.00–$135.50, $136.06–$136.80, and $137.50–$138.26.

How many CRWV shares were included in notable line items?

Examples include 96,396 shares at a weighted average price of $135.10 and 38,674 shares at $135.10.

Were these sales made directly or indirectly by the reporting persons?

They were reported as indirect holdings across several Magnetar‑managed funds.

Do the reporting persons claim full beneficial ownership of the CRWV shares?

They disclaim beneficial ownership except to the extent of their pecuniary interest.

Will detailed trade prices be available for these CRWV transactions?

Yes. The reporting persons will provide full trade‑level price information upon request, as noted in the filing.

CRWV Form 4: Magnetar affiliates report open‑market share sales

Rhea-AI Filing Summary

Positive

Negative

Insights

Equity markets and insider activity analyst neutral

Insider Trade Summary

FAQ

What did CoreWeave (CRWV) insiders report on the Form 4?

At what prices were CRWV shares sold in the reported transactions?

How many CRWV shares were included in notable line items?

Were these sales made directly or indirectly by the reporting persons?

Do the reporting persons claim full beneficial ownership of the CRWV shares?

Will detailed trade prices be available for these CRWV transactions?