Magnetar-affiliated Funds Report Multi‑Million CRWV Sales on 10/03/2025

Q: What did Magnetar disclose on the CoreWeave (CRWV) Form 4?

The filing reports multiple sales of Class A common stock on 10/03/2025 by Magnetar-managed funds and affiliated entities, with weighted-average prices in the ranges $138.01–$138.80 and $139.08–$140.06.

Q: Who signed the Form 4 for these Magnetar entities?

The form is signed by Hayley A. Stein as attorney-in-fact for David J. Snyderman and affiliated entities, with signature dates of 10/07/2025.

Q: Were the sale prices single trades or ranges?

Footnotes state the reported prices are weighted averages from multiple transactions within specified ranges; filers offered to supply per-price counts on request.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave, Inc. (CRWV) Form 4 shows affiliated Magnetar entities and David J. Snyderman disclosed multiple sales of Class A common stock on 10/03/2025. The report lists many individual dispositions across Magnetar-managed funds, with weighted-average sale prices reported in two ranges: $138.01–$138.80 (reported as $138.5) and $139.08–$140.06 (reported as $139.44 and $139.46), reflecting staggered transactions.

Post-transaction beneficial ownership remains substantial across different Magnetar vehicles, with multiple holdings reported (examples include 9,202,863 shares indirect in one line and other holdings in the millions). Filers disclaim beneficial ownership except for pecuniary interest and provide an undertaking to supply per-price breakdowns on request.

Positive

Transparent disclosure of multiple transactions and footnote breakdowns
Weighted-average prices and sale ranges provided for verification
Material ownership retained by Magnetar-affiliated vehicles after sales

Negative

Substantial Class A stock disposals executed on 10/03/2025
Multiple funds sold shares at prices near $138.5–$139.44, reducing holdings
Concentrated block sales could pressure the stock if further dispositions occur

Insights

Large, organized sell-off by Magnetar-affiliated vehicles on one trading day.

The filings show coordinated dispositions by multiple Magnetar-managed funds on 10/03/2025

These sales occurred at weighted-average prices near $138.5 and $139.44, indicating execution across price bands. Investors should note the holder remains a material indirect owner with multi-million-share positions; the filings disclaim full beneficial ownership beyond pecuniary interest.

Disclosure appears complete and follows Section 16 reporting structure.

The Form 4 lists each reporting entity, relationship to the issuer, and footnotes clarifying which fund holds each block of shares. The signatory is an attorney-in-fact, with dated signatures on 10/07/2025.

Filers offer to provide detailed per-price sale breakdowns on request, which supports transparency; the remaining indirect holdings remain significant and could affect voting or future block trades.

Insider Trade Summary

Net Seller: 1,149,406 shares ($160,196,853)

Net Sell 25 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 1,149,406 shs ($160.20M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	5,730	$138.51	$794K
Sale	Class A Common Stock	70,382	$139.46	$9.82M
Sale	Class A Common Stock	22,630	$138.50	$3.13M
Sale	Class A Common Stock	292,747	$139.44	$40.82M
Sale	Class A Common Stock	11,382	$138.50	$1.58M
Sale	Class A Common Stock	147,237	$139.44	$20.53M
Sale	Class A Common Stock	2,968	$138.50	$411K
Sale	Class A Common Stock	38,383	$139.44	$5.35M
Sale	Class A Common Stock	304	$138.50	$42K
Sale	Class A Common Stock	3,964	$139.44	$553K
Sale	Class A Common Stock	6,615	$138.50	$916K
Sale	Class A Common Stock	85,563	$139.44	$11.93M
Sale	Class A Common Stock	9,080	$138.50	$1.26M
Sale	Class A Common Stock	117,466	$139.44	$16.38M
Sale	Class A Common Stock	2,572	$138.50	$356K
Sale	Class A Common Stock	33,267	$139.44	$4.64M
Sale	Class A Common Stock	9,682	$138.50	$1.34M
Sale	Class A Common Stock	125,246	$139.44	$17.46M
Sale	Class A Common Stock	5,968	$138.50	$827K
Sale	Class A Common Stock	77,190	$139.44	$10.76M
Sale	Class A Common Stock	4,811	$138.50	$666K
Sale	Class A Common Stock	62,183	$139.44	$8.67M
Sale	Class A Common Stock	1,008	$138.50	$140K
Sale	Class A Common Stock	13,028	$139.44	$1.82M
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 6,325,346 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 $138.01 to $138.80, 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 footnote 2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.08 to $140.06, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, 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, and Longhorn Special Opportunities Fund 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"). 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 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. 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 Magnetar Longhorn Fund LP.

Form 4 Insider Transactions: What Each Field Means →

10/07/2025 - 08:09 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)
10/03/2025

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	10/03/2025		S		5,730	D	$138.51⁽¹⁾	6,325,346	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁶⁾
Class A Common Stock	10/03/2025		S		70,382	D	$139.46⁽²⁾	6,254,964	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁶⁾
Class A Common Stock	10/03/2025		S		22,630	D	$138.5⁽¹⁾	25,493,793	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁷⁾
Class A Common Stock	10/03/2025		S		292,747	D	$139.44⁽²⁾	25,201,046	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁷⁾
Class A Common Stock	10/03/2025		S		11,382	D	$138.5⁽¹⁾	3,359,443	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁸⁾
Class A Common Stock	10/03/2025		S		147,237	D	$139.44⁽²⁾	3,212,206	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁸⁾
Class A Common Stock	10/03/2025		S		2,968	D	$138.5⁽¹⁾	2,006,398	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁹⁾
Class A Common Stock	10/03/2025		S		38,383	D	$139.44⁽²⁾	1,968,015	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽⁹⁾
Class A Common Stock	10/03/2025		S		304	D	$138.5⁽¹⁾	345,556	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁰⁾
Class A Common Stock	10/03/2025		S		3,964	D	$139.44⁽²⁾	341,592	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁰⁾
Class A Common Stock	10/03/2025		S		6,615	D	$138.5⁽¹⁾	5,993,210	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹¹⁾
Class A Common Stock	10/03/2025		S		85,563	D	$139.44⁽²⁾	5,907,647	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹¹⁾
Class A Common Stock	10/03/2025		S		9,080	D	$138.5⁽¹⁾	7,558,789	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹²⁾
Class A Common Stock	10/03/2025		S		117,466	D	$139.44⁽²⁾	7,441,323	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹²⁾
Class A Common Stock	10/03/2025		S		2,572	D	$138.5⁽¹⁾	1,561,080	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹³⁾
Class A Common Stock	10/03/2025		S		33,267	D	$139.44⁽²⁾	1,527,813	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹³⁾
Class A Common Stock	10/03/2025		S		9,682	D	$138.5⁽¹⁾	9,998,750	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁴⁾
Class A Common Stock	10/03/2025		S		125,246	D	$139.44⁽²⁾	9,873,504	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁴⁾
Class A Common Stock	10/03/2025		S		5,968	D	$138.5⁽¹⁾	4,049,967	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁵⁾
Class A Common Stock	10/03/2025		S		77,190	D	$139.44⁽²⁾	3,972,777	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁵⁾
Class A Common Stock	10/03/2025		S		4,811	D	$138.5⁽¹⁾	3,663,206	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁶⁾
Class A Common Stock	10/03/2025		S		62,183	D	$139.44⁽²⁾	3,601,023	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁶⁾
Class A Common Stock	10/03/2025		S		1,008	D	$138.5⁽¹⁾	1,004,803	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁷⁾
Class A Common Stock	10/03/2025		S		13,028	D	$139.44⁽²⁾	991,775	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁷⁾
Class A Common Stock								9,202,863	I	Footnotes⁽³⁾⁽⁴⁾⁽⁵⁾⁽¹⁸⁾

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 $138.01 to $138.80, 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 footnote 2.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.08 to $140.06, inclusive.

3. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, 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, and Longhorn Special Opportunities Fund 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").

4. 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.

5. 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.

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 Longhorn Special Opportunities Fund LP.

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

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.

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

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

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

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

18. These securities are held directly by Magnetar Longhorn 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	10/07/2025
	/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	10/07/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/07/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/07/2025
	** 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 disclose on the CoreWeave (CRWV) Form 4?

The filing reports multiple sales of Class A common stock on 10/03/2025 by Magnetar-managed funds and affiliated entities, with weighted-average prices in the ranges $138.01–$138.80 and $139.08–$140.06.

How many shares did Magnetar-affiliated entities own after the transactions?

Post-transaction beneficial ownership lines show holdings in the millions (examples include 9,202,863 indirect shares and other multi-million share positions reported across funds).

Who signed the Form 4 for these Magnetar entities?

The form is signed by Hayley A. Stein as attorney-in-fact for David J. Snyderman and affiliated entities, with signature dates of 10/07/2025.

Were the sale prices single trades or ranges?

Footnotes state the reported prices are weighted averages from multiple transactions within specified ranges; filers offered to supply per-price counts on request.

Do the filers claim beneficial ownership of the sold shares?

The Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management, and David J. Snyderman disclaim beneficial ownership except to the extent of pecuniary interest, per the filing.

Magnetar-affiliated Funds Report Multi‑Million CRWV Sales on 10/03/2025

Rhea-AI Filing Summary

Positive

Negative

Insights

Equity Markets Analyst positive

Corporate Governance Specialist positive

Insider Trade Summary

FAQ

What did Magnetar disclose on the CoreWeave (CRWV) Form 4?

How many shares did Magnetar-affiliated entities own after the transactions?

Who signed the Form 4 for these Magnetar entities?

Were the sale prices single trades or ranges?

Do the filers claim beneficial ownership of the sold shares?