How are the Magnetar entities related to CRWV according to the filing?

The reporting group is indicated as a Director and 10% owner, with entities disclaiming beneficial ownership except to the extent of pecuniary interest.

CRWV insider filing: Magnetar reports sales; updated share counts

Q: How many CRWV shares did each Magnetar fund hold after the trades?

Post‑trade holdings: Magnetar Capital Master Fund, Ltd. 328,932; Magnetar Constellation Master Fund, Ltd. 5,634,663; Magnetar Lake Credit Fund LLC 7,066,539; Magnetar SC Fund Ltd. 1,421,672.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave (CRWV): Magnetar-affiliated reporting persons disclosed open‑market sales of Class A common stock on 10/10/2025. The trades were executed at weighted average prices, with disclosed ranges spanning $144.22 to $151.35 across multiple transactions.

Examples include sales priced at weighted averages of $148.50, $150.36 and $151.31, with underlying trade ranges provided. Following the transactions, reported indirect holdings were: Magnetar Capital Master Fund, Ltd. 328,932 shares; Magnetar Constellation Master Fund, Ltd. 5,634,663; Magnetar Lake Credit Fund LLC 7,066,539; and Magnetar SC Fund Ltd. 1,421,672. The filing indicates the reporting group as a Director and 10% owner, and notes that the entities disclaim beneficial ownership beyond pecuniary interest.

Insider Trade Summary

Net Seller: 180,166 shares ($26,807,874)

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 180,166 shs ($26.81M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	44	$144.58	$6K
Sale	Class A Common Stock	24	$145.87	$4K
Sale	Class A Common Stock	30	$146.65	$4K
Sale	Class A Common Stock	4	$147.40	$589.60
Sale	Class A Common Stock	2,350	$148.50	$349K
Sale	Class A Common Stock	300	$150.36	$45K
Sale	Class A Common Stock	224	$151.31	$34K
Sale	Class A Common Stock	1,038	$144.55	$150K
Sale	Class A Common Stock	486	$145.87	$71K
Sale	Class A Common Stock	646	$146.65	$95K
Sale	Class A Common Stock	81	$147.40	$12K
Sale	Class A Common Stock	50,619	$148.50	$7.52M
Sale	Class A Common Stock	6,454	$150.36	$970K
Sale	Class A Common Stock	4,840	$151.31	$732K
Sale	Class A Common Stock	1,424	$144.55	$206K
Sale	Class A Common Stock	666	$145.87	$97K
Sale	Class A Common Stock	886	$146.65	$130K
Sale	Class A Common Stock	111	$147.40	$16K
Sale	Class A Common Stock	69,493	$148.50	$10.32M
Sale	Class A Common Stock	8,860	$150.36	$1.33M
Sale	Class A Common Stock	6,644	$151.31	$1.01M
Sale	Class A Common Stock	403	$144.55	$58K
Sale	Class A Common Stock	186	$145.87	$27K
Sale	Class A Common Stock	250	$146.65	$37K
Sale	Class A Common Stock	31	$147.40	$5K
Sale	Class A Common Stock	19,681	$148.50	$2.92M
Sale	Class A Common Stock	2,509	$150.36	$377K
Sale	Class A Common Stock	1,882	$151.31	$285K

Holdings After Transaction: Class A Common Stock — 331,864 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 $144.22 to $144.96, 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 and 6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.35 to $146.30, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $146.39 to $146.85, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.41 to $149.40, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $149.82 to $150.60, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $151.30 to $151.35, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd and Magnetar SC Fund Ltd, and the manager of 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 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. These securities are held directly by Magnetar SC Fund Ltd.

Form 4 Insider Transactions: What Each Field Means →

10/10/2025 - 09:59 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)
10/10/2025

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	10/10/2025		S		44	D	$144.58⁽¹⁾	331,864	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		24	D	$145.87⁽²⁾	331,840	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		30	D	$146.65⁽³⁾	331,810	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		4	D	$147.4	331,806	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		2,350	D	$148.5⁽⁴⁾	329,456	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		300	D	$150.36⁽⁵⁾	329,156	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		224	D	$151.31⁽⁶⁾	328,932	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/10/2025		S		1,038	D	$144.55⁽¹⁾	5,697,789	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		486	D	$145.87⁽²⁾	5,697,303	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		646	D	$146.65⁽³⁾	5,696,657	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		81	D	$147.4	5,696,576	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		50,619	D	$148.5⁽⁴⁾	5,645,957	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		6,454	D	$150.36⁽⁵⁾	5,639,503	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		4,840	D	$151.31⁽⁶⁾	5,634,663	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/10/2025		S		1,424	D	$144.55⁽¹⁾	7,153,199	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		666	D	$145.87⁽²⁾	7,152,533	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		886	D	$146.65⁽³⁾	7,151,647	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		111	D	$147.4	7,151,536	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		69,493	D	$148.5⁽⁴⁾	7,082,043	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		8,860	D	$150.36⁽⁵⁾	7,073,183	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		6,644	D	$151.31⁽⁶⁾	7,066,539	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/10/2025		S		403	D	$144.55⁽¹⁾	1,446,211	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾
Class A Common Stock	10/10/2025		S		186	D	$145.87⁽²⁾	1,446,025	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾
Class A Common Stock	10/10/2025		S		250	D	$146.65⁽³⁾	1,445,775	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾
Class A Common Stock	10/10/2025		S		31	D	$147.4	1,445,744	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾
Class A Common Stock	10/10/2025		S		19,681	D	$148.5⁽⁴⁾	1,426,063	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾
Class A Common Stock	10/10/2025		S		2,509	D	$150.36⁽⁵⁾	1,423,554	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾
Class A Common Stock	10/10/2025		S		1,882	D	$151.31⁽⁶⁾	1,421,672	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹³⁾

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 $144.22 to $144.96, 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 and 6.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.35 to $146.30, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $146.39 to $146.85, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.41 to $149.40, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $149.82 to $150.60, inclusive.

6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $151.30 to $151.35, inclusive.

7. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd and Magnetar SC Fund Ltd, and the manager of Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").

8. 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.

9. 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.

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

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

12. These securities are held directly by Magnetar Lake Credit Fund LLC.

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

	/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	10/10/2025
	/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	10/10/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/10/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/10/2025
	** 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-affiliated holders report for CRWV on 10/10/2025?

They reported multiple open‑market sales of CoreWeave Class A common stock on 10/10/2025 at weighted average prices within disclosed ranges.

What were the disclosed price ranges for the CRWV sales?

Weighted average sale prices reflected ranges of $144.22–$144.96, $145.35–$146.30, $146.39–$146.85, $148.41–$149.40, $149.82–$150.60, and $151.30–$151.35.

How many CRWV shares did each Magnetar fund hold after the trades?

Post‑trade holdings: Magnetar Capital Master Fund, Ltd. 328,932; Magnetar Constellation Master Fund, Ltd. 5,634,663; Magnetar Lake Credit Fund LLC 7,066,539; Magnetar SC Fund Ltd. 1,421,672.

Which security class was involved in the reported CRWV trades?

Class A common stock.

Who are the reporting entities and managers referenced?

Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman (administrative manager of Supernova Management).

CRWV insider filing: Magnetar reports sales; updated share counts

Rhea-AI Filing Summary

Positive

Negative

Insider Trade Summary

FAQ

What did Magnetar-affiliated holders report for CRWV on 10/10/2025?

What were the disclosed price ranges for the CRWV sales?

How many CRWV shares did each Magnetar fund hold after the trades?

Which security class was involved in the reported CRWV trades?

How are the Magnetar entities related to CRWV according to the filing?

Who are the reporting entities and managers referenced?