CRWV insider filing shows multi‑tranche sales and updated holdings

Q: What did CRWV’s Form 4 report on 10/16/2025?

Affiliates of Magnetar reported multiple open‑market sales of Class A Common Stock executed on 10/16/2025 at prices spanning $140.00–$150.00 .

Q: How many CRWV shares were beneficially owned after the transactions?

Reported indirect balances after the sales were 1,716,361 (Alpha Star), 315,541 (Capital Master Fund), and 5,346,645 (Constellation).

Q: How is the ownership of CRWV shares characterized by the reporting persons?

They disclaim beneficial ownership except to the extent of their pecuniary interest, as noted in the footnotes.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave, Inc. (CRWV) — Form 4 insider activity: Entities affiliated with Magnetar reported multiple open‑market sales of Class A Common Stock on 10/16/2025, executed across numerous tranches. The transactions occurred at prices quoted or as weighted averages within disclosed ranges spanning $140.00 to $150.00, with several buckets reported at weighted average prices and stated intra‑bucket ranges.

Following these sales, beneficial ownership reported on an indirect basis stood at 1,716,361 shares (Magnetar Alpha Star Fund LLC), 315,541 shares (Magnetar Capital Master Fund, Ltd.), and 5,346,645 shares (Magnetar Constellation Master Fund, Ltd.). The reporting persons state that beneficial ownership is disclaimed except to the extent of pecuniary interest.

Insights

Large shareholder sold ~254,525 CRWV shares on 10/16/2025; remains a >10% holder with ~7.38M shares.

CoreWeave, Inc. (CRWV) reported multiple open‑market sales by entities affiliated with Magnetar. Across three accounts, the group sold approximately 254,525 shares of Class A Common Stock on 10/16/2025 at weighted average prices within disclosed ranges from $140 to about $150. Following these transactions, the group reports indirect beneficial ownership of 1,716,361; 315,541; and 5,346,645 shares, respectively.

These sales were made by funds advised or managed within the Magnetar structure, with each entity disclosing that beneficial ownership is disclaimed except to the extent of pecuniary interest. The filing indicates status as a Director and 10% Owner. Prices are presented as weighted averages with detailed price ranges for the relevant trade buckets, consistent with standard footnote practice.

Key items to watch: whether subsequent Form 4s show continued disposition by these accounts, any 10b5-1 plan designation in future filings, and changes in post-transaction holdings. The reported trades occurred on 10/16/2025, with the form signed on 10/17/2025.

Insider Trade Summary

Net Seller: 254,525 shares ($36,527,255)

Net Sell 27 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 254,525 shs ($36.53M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	905	$140.00	$127K
Sale	Class A Common Stock	2,985	$141.42	$422K
Sale	Class A Common Stock	56,467	$142.85	$8.07M
Sale	Class A Common Stock	3,850	$143.32	$552K
Sale	Class A Common Stock	905	$144.00	$130K
Sale	Class A Common Stock	3,116	$145.42	$453K
Sale	Class A Common Stock	3,619	$147.83	$535K
Sale	Class A Common Stock	2,715	$148.58	$403K
Sale	Class A Common Stock	1,809	$150.00	$271K
Sale	Class A Common Stock	94	$140.00	$13K
Sale	Class A Common Stock	325	$141.43	$46K
Sale	Class A Common Stock	5,843	$142.85	$835K
Sale	Class A Common Stock	400	$143.32	$57K
Sale	Class A Common Stock	94	$144.00	$14K
Sale	Class A Common Stock	324	$145.42	$47K
Sale	Class A Common Stock	375	$147.83	$55K
Sale	Class A Common Stock	282	$148.58	$42K
Sale	Class A Common Stock	187	$150.00	$28K
Sale	Class A Common Stock	2,017	$140.00	$282K
Sale	Class A Common Stock	6,652	$141.42	$941K
Sale	Class A Common Stock	125,871	$142.85	$17.98M
Sale	Class A Common Stock	8,580	$143.32	$1.23M
Sale	Class A Common Stock	2,017	$144.00	$290K
Sale	Class A Common Stock	6,942	$145.42	$1.01M
Sale	Class A Common Stock	8,067	$147.83	$1.19M
Sale	Class A Common Stock	6,051	$148.58	$899K
Sale	Class A Common Stock	4,033	$150.00	$605K

Holdings After Transaction: Class A Common Stock — 1,791,827 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 $141.00 to $141.95, 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 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 $142.00 to $142.89, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $143.00 to $143.50, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.00 to $145.54, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $147.30 to $148.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.50 to $148.75, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Capital Master Fund, Ltd and Magnetar Constellation Master Fund, Ltd, and the manager of Magnetar Alpha Star 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 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.

Form 4 Insider Transactions: What Each Field Means →

10/17/2025 - 08:19 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)
10/16/2025

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	10/16/2025		S		905	D	$140	1,791,827	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		2,985	D	$141.42⁽¹⁾	1,788,842	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		56,467	D	$142.85⁽²⁾	1,732,375	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		3,850	D	$143.32⁽³⁾	1,728,525	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		905	D	$144	1,727,620	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		3,116	D	$145.42⁽⁴⁾	1,724,504	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		3,619	D	$147.83⁽⁵⁾	1,720,885	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		2,715	D	$148.58⁽⁶⁾	1,718,170	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		1,809	D	$150	1,716,361	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹⁰⁾
Class A Common Stock	10/16/2025		S		94	D	$140	323,371	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		325	D	$141.43⁽¹⁾	323,046	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		5,843	D	$142.85⁽²⁾	317,203	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		400	D	$143.32⁽³⁾	316,803	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		94	D	$144	316,709	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		324	D	$145.42⁽⁴⁾	316,385	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		375	D	$147.83⁽⁵⁾	316,010	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		282	D	$148.58⁽⁶⁾	315,728	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		187	D	$150	315,541	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹¹⁾
Class A Common Stock	10/16/2025		S		2,017	D	$140	5,514,858	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		6,652	D	$141.42⁽¹⁾	5,508,206	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		125,871	D	$142.85⁽²⁾	5,382,335	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		8,580	D	$143.32⁽³⁾	5,373,755	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		2,017	D	$144	5,371,738	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		6,942	D	$145.42⁽⁴⁾	5,364,796	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		8,067	D	$147.83⁽⁵⁾	5,356,729	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		6,051	D	$148.58⁽⁶⁾	5,350,678	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾
Class A Common Stock	10/16/2025		S		4,033	D	$150	5,346,645	I	Footnotes⁽⁷⁾⁽⁸⁾⁽⁹⁾⁽¹²⁾

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 $141.00 to $141.95, 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 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 $142.00 to $142.89, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $143.00 to $143.50, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.00 to $145.54, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $147.30 to $148.00, inclusive.

6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.50 to $148.75, inclusive.

7. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Capital Master Fund, Ltd and Magnetar Constellation Master Fund, Ltd, and the manager of Magnetar Alpha Star 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 Alpha Star Fund LLC.

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

12. These securities are held directly by Magnetar Constellation Master 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	10/17/2025
	/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	10/17/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/17/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/17/2025
	** 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 CRWV’s Form 4 report on 10/16/2025?

Affiliates of Magnetar reported multiple open‑market sales of Class A Common Stock executed on 10/16/2025 at prices spanning $140.00–$150.00.

What price ranges were disclosed for the CRWV sales?

Weighted average buckets were disclosed with ranges including $141.00–$141.95, $142.00–$142.89, $143.00–$143.50, $145.00–$145.54, and $148.50–$148.75, plus transactions at $140 and $150.

How many CRWV shares were beneficially owned after the transactions?

Reported indirect balances after the sales were 1,716,361 (Alpha Star), 315,541 (Capital Master Fund), and 5,346,645 (Constellation).

How is the ownership of CRWV shares characterized by the reporting persons?

They disclaim beneficial ownership except to the extent of their pecuniary interest, as noted in the footnotes.

Were the CRWV transactions part of multiple trades at different prices?

Yes. The filing notes weighted average prices, with the reporting persons offering to provide full breakdowns of shares sold at each price within the stated ranges.

CRWV insider filing shows multi‑tranche sales and updated holdings

Rhea-AI Filing Summary

Positive

Negative

Insights

Equity Ownership Analyst neutral

Insider Trade Summary

FAQ

What did CRWV’s Form 4 report on 10/16/2025?

What price ranges were disclosed for the CRWV sales?

How many CRWV shares were beneficially owned after the transactions?

How is the ownership of CRWV shares characterized by the reporting persons?

Were the CRWV transactions part of multiple trades at different prices?