Form 4: Magnetar-related sale of CRWV Class A shares at ~$121–$125

Q: What did the Form 4 for CRWV report on 09/16/2025?

The Form 4 reports multiple dispositions of Class A common stock executed on 09/16/2025 by Magnetar-related reporting persons at weighted-average prices grouped between about $121.00 and $124.65 .

Q: Which Magnetar entities are listed as reporting persons on the CRWV Form 4?

The filing lists Magnetar Financial LLC , Magnetar Capital Partners LP , Supernova Management LLC , and David J. Snyderman as reporting persons.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave insider Form 4 shows multiple sales by Magnetar-related reporting persons on 09/16/2025. The filing reports numerous dispositions of Class A common stock executed on that date at weighted-average prices reported in three groups (footnotes show price ranges of $121.00–$121.99, $122.07–$122.73 and $123.27–$123.75) and an additional listed price of $124.65. Sales were executed by or on behalf of Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, with securities held across several Magnetar funds. The filing discloses indirect beneficial ownership positions by various Magnetar funds and related entities, with an aggregated reported indirect holding line of 4,417,607 Class A shares reported in the table.

Positive

Timely and detailed disclosure of multiple transactions, including weighted-average pricing ranges in footnotes
Clear ownership attribution across Magnetar entities and individual (David J. Snyderman), aiding transparency
Continued material indirect holdings reported (aggregate line of 4,417,607 Class A shares) despite disposals

Negative

Substantial coordinated sales by a 10% owner and director on 09/16/2025, which may increase share supply
Multiple entity-level disposals across funds reduce aggregate reported holdings in several accounts

Insights

TL;DR: Significant coordinated sales by Magnetar entities on 09/16/2025 at ~$121–$125 per share; reporting shows substantial retained indirect holdings.

The Form 4 documents multiple dispositions of Class A common stock by Magnetar-affiliated reporting persons on a single trading date, with weighted-average prices grouped by footnote ranges. The activity is disclosed as indirect beneficial ownership across several funds, and the filing preserves disclaimer language limiting beneficial ownership to pecuniary interest. From an investor perspective, clustered sales by a 10% owner and director can affect near-term supply dynamics and signal portfolio rebalancing, though the filing shows continued material indirect holdings across Magnetar funds.

TL;DR: Form 4 properly discloses sales by related parties and provides detailed footnotes clarifying ownership structure.

The filing meets Section 16 disclosure requirements and includes thorough attribution: Magnetar Financial serves as adviser to listed funds; Magnetar Capital Partners is the parent; Supernova Management is a general partner; and David J. Snyderman is identified as manager. Footnotes explain which fund holds which shares and disclaimers about beneficial ownership are included. The signature block shows an attorney-in-fact executed the filing on behalf of the reporting persons, which is common for entity filings.

Insider Trade Summary

Net Seller: 76,388 shares ($9,351,084)

Net Sell 21 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 76,388 shs ($9.35M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	2,798	$121.44	$340K
Sale	Class A Common Stock	3,031	$122.17	$370K
Sale	Class A Common Stock	1,568	$123.51	$194K
Sale	Class A Common Stock	784	$124.65	$98K
Sale	Class A Common Stock	10,509	$121.44	$1.28M
Sale	Class A Common Stock	11,401	$122.17	$1.39M
Sale	Class A Common Stock	5,904	$123.51	$729K
Sale	Class A Common Stock	2,952	$124.65	$368K
Sale	Class A Common Stock	6,479	$121.44	$787K
Sale	Class A Common Stock	7,028	$122.17	$859K
Sale	Class A Common Stock	3,638	$123.51	$449K
Sale	Class A Common Stock	1,819	$124.65	$227K
Sale	Class A Common Stock	5,216	$121.44	$633K
Sale	Class A Common Stock	5,660	$122.17	$691K
Sale	Class A Common Stock	2,932	$123.51	$362K
Sale	Class A Common Stock	1,466	$124.65	$183K
Sale	Class A Common Stock	1,095	$121.44	$133K
Sale	Class A Common Stock	1,187	$122.17	$145K
Sale	Class A Common Stock	614	$123.51	$76K
Sale	Class A Common Stock	307	$124.65	$38K
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 1,890,070 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 $121.00 to $121.99, 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 and 3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $122.07 to $122.73, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $123.27 to $123.75, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of 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, and the general partner of Magnetar Structured Credit Fund, LP (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 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 SC Fund Ltd. These securities are held directly by Magnetar Structured Credit Fund, LP. These securities are held directly by Magnetar Xing He Master Fund Ltd. These securities are held directly by Purpose Alternative Credit Fund - F LLC. These securities are held directly by Purpose Alternative Credit Fund - T LLC. These securities are held directly by Longhorn Special Opportunities Fund LP.

Form 4 Insider Transactions: What Each Field Means →

09/17/2025 - 08:43 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).

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)
09/16/2025

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	09/16/2025		S		2,798	D	$121.44⁽¹⁾	1,890,070	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁷⁾
Class A Common Stock	09/16/2025		S		3,031	D	$122.17⁽²⁾	1,887,039	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁷⁾
Class A Common Stock	09/16/2025		S		1,568	D	$123.51⁽³⁾	1,885,471	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁷⁾
Class A Common Stock	09/16/2025		S		784	D	$124.65	1,884,687	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁷⁾
Class A Common Stock	09/16/2025		S		10,509	D	$121.44⁽¹⁾	11,237,383	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁸⁾
Class A Common Stock	09/16/2025		S		11,401	D	$122.17⁽²⁾	11,225,982	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁸⁾
Class A Common Stock	09/16/2025		S		5,904	D	$123.51⁽³⁾	11,220,078	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁸⁾
Class A Common Stock	09/16/2025		S		2,952	D	$124.65	11,217,126	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁸⁾
Class A Common Stock	09/16/2025		S		6,479	D	$121.44⁽¹⁾	4,813,335	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁹⁾
Class A Common Stock	09/16/2025		S		7,028	D	$122.17⁽²⁾	4,806,307	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁹⁾
Class A Common Stock	09/16/2025		S		3,638	D	$123.51⁽³⁾	4,802,669	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁹⁾
Class A Common Stock	09/16/2025		S		1,819	D	$124.65	4,800,850	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽⁹⁾
Class A Common Stock	09/16/2025		S		5,216	D	$121.44⁽¹⁾	4,278,178	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹⁰⁾
Class A Common Stock	09/16/2025		S		5,660	D	$122.17⁽²⁾	4,272,518	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹⁰⁾
Class A Common Stock	09/16/2025		S		2,932	D	$123.51⁽³⁾	4,269,586	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹⁰⁾
Class A Common Stock	09/16/2025		S		1,466	D	$124.65	4,268,120	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹⁰⁾
Class A Common Stock	09/16/2025		S		1,095	D	$121.44⁽¹⁾	1,133,639	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹¹⁾
Class A Common Stock	09/16/2025		S		1,187	D	$122.17⁽²⁾	1,132,452	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹¹⁾
Class A Common Stock	09/16/2025		S		614	D	$123.51⁽³⁾	1,131,838	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹¹⁾
Class A Common Stock	09/16/2025		S		307	D	$124.65	1,131,531	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽¹¹⁾
Class A Common Stock								4,417,607	I	Footnotes⁽⁴⁾⁽⁵⁾⁽⁶⁾⁽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 $121.00 to $121.99, 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 and 3.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $122.07 to $122.73, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $123.27 to $123.75, inclusive.

4. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of 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, and the general partner of Magnetar Structured Credit Fund, LP (collectively, the "Magnetar Funds").

5. 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.

6. 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.

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

8. These securities are held directly by Magnetar Structured Credit Fund, LP.

9. These securities are held directly by Magnetar Xing He Master Fund Ltd.

10. These securities are held directly by Purpose Alternative Credit Fund - F LLC.

11. These securities are held directly by Purpose Alternative Credit Fund - T LLC.

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

	/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	09/17/2025
	/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	09/17/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	09/17/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	09/17/2025
	** 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 the Form 4 for CRWV report on 09/16/2025?

The Form 4 reports multiple dispositions of Class A common stock executed on 09/16/2025 by Magnetar-related reporting persons at weighted-average prices grouped between about $121.00 and $124.65.

Which Magnetar entities are listed as reporting persons on the CRWV Form 4?

The filing lists Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman as reporting persons.

How many Class A shares are shown as an aggregate indirect holding in the filing?

The table includes an aggregated reported indirect holding line of 4,417,607 Class A shares.

What price ranges were disclosed for the sales on the Form 4?

Footnotes disclose weighted-average prices with transaction price ranges of $121.00–$121.99, $122.07–$122.73, and $123.27–$123.75, and an additional listed price of $124.65.

Who signed the Form 4 filing for the reporting persons?

The filing was signed on behalf of the reporting persons by Hayley A. Stein, Attorney-in-Fact, on 09/17/2025.

Form 4: Magnetar-related sale of CRWV Class A shares at ~$121–$125

Rhea-AI Filing Summary

Positive

Negative

Insights

Financial Analyst neutral

Corporate Governance Expert neutral

Insider Trade Summary

FAQ

What did the Form 4 for CRWV report on 09/16/2025?

Which Magnetar entities are listed as reporting persons on the CRWV Form 4?

How many Class A shares are shown as an aggregate indirect holding in the filing?

What price ranges were disclosed for the sales on the Form 4?

Who signed the Form 4 filing for the reporting persons?