Magnetar entities report multiple CRWV Class A sales at ~$137–$141

Q: What did Magnetar report on CoreWeave (CRWV) on 10/02/2025?

Magnetar-affiliated entities reported multiple sales of Class A common stock on 10/02/2025 at weighted-average prices generally ranging from $137.00 to $141.11 .

Q: Which Magnetar entities filed the Form 4 for CRWV?

The Form 4 lists Magnetar Financial LLC , Magnetar Capital Partners LP , Supernova Management LLC , and David J. Snyderman as reporting persons, acting through affiliated funds.

Q: Were these transactions purchases or sales?

They were sales (transaction code S ) across multiple lines for Class A common stock.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Magnetar-affiliated holders reported multiple sales of CoreWeave Class A common stock on 10/02/2025. The Form 4 shows a sequence of dispositions by Magnetar Financial LLC and related entities and individuals, executed at weighted-average prices ranging roughly from $137.00 to $141.11. The filings list many individual sale lines across several Magnetar funds (e.g., CW Opportunity LLC, CW Opportunity 2 LP, Longhorn Special Opportunities Fund LP), with post-transaction indirect beneficial ownership positions reported for each account.

The reporting parties are identified as a Director and 10% owner through a structure of advisory and management entities. Footnotes state the prices are weighted averages from multiple transactions and disclaim direct beneficial ownership except to the extent of pecuniary interest.

Positive

Transparent compliance: Form 4 timely discloses the sales and provides weighted‑average price ranges in footnotes
Footnote detail: Reporting offers to provide breakdown of shares sold at each price within the disclosed ranges

Negative

Large insider disposals: A Director and entities tied to a 10% owner reported multiple sales on 10/02/2025, reducing indirect holdings
Concentration of sellers: Multiple Magnetar funds executed sales the same day, which could be viewed as coordinated liquidation from a major holder

Insights

TL;DR: Magnetar entities performed multiple Class A stock sales on 10/02/2025 at weighted prices near $137–$141.

The Form 4 discloses coordinated dispositions by Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, identified as a Director and 10% owner through affiliated funds. This is a formal insider disclosure under Section 16 and reflects transfers from several named funds to third parties.

Because the filings show many separate sale lines with weighted‑average prices and footnotes explaining ranges, the activity appears executed across multiple trades rather than a single block trade. The filings also include disclaimers that the reporting entities disclaim beneficial ownership except for pecuniary interest, which is typical in fund reporting.

TL;DR: Multiple small-to-large disposals were reported, executed at prices averaging about $137.45, $138.03, $138.33, and $140.53 across lines.

The transaction codes show sales (Code S) on a single date, indicating realized liquidity was taken across several Magnetar-held accounts including CW Opportunity LPs and various Magnetar funds. The presence of many sale lines and post‑transaction balances implies a material reallocation of shares within these managed accounts.

This Form 4 is investor‑material insofar as it notifies market participants that a named large holder and director reduced positions on 10/02/2025 at announced price ranges.

Insider Trade Summary

Net Seller: 901,524 shares ($124,605,999)

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 901,524 shs ($124.61M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	6,936	$137.45	$953K
Sale	Class A Common Stock	58,315	$138.13	$8.06M
Sale	Class A Common Stock	150	$139.19	$21K
Sale	Class A Common Stock	8,180	$140.81	$1.15M
Sale	Class A Common Stock	242,234	$138.03	$33.44M
Sale	Class A Common Stock	28,426	$138.33	$3.93M
Sale	Class A Common Stock	16,556	$140.53	$2.33M
Sale	Class A Common Stock	121,830	$138.03	$16.82M
Sale	Class A Common Stock	14,297	$138.33	$1.98M
Sale	Class A Common Stock	8,328	$140.53	$1.17M
Sale	Class A Common Stock	31,762	$138.03	$4.38M
Sale	Class A Common Stock	3,728	$138.33	$516K
Sale	Class A Common Stock	2,172	$140.53	$305K
Sale	Class A Common Stock	3,287	$138.03	$454K
Sale	Class A Common Stock	387	$138.33	$54K
Sale	Class A Common Stock	226	$140.53	$32K
Sale	Class A Common Stock	70,799	$138.03	$9.77M
Sale	Class A Common Stock	8,310	$138.33	$1.15M
Sale	Class A Common Stock	4,842	$140.53	$680K
Sale	Class A Common Stock	97,191	$138.03	$13.42M
Sale	Class A Common Stock	11,405	$138.33	$1.58M
Sale	Class A Common Stock	6,644	$140.53	$934K
Sale	Class A Common Stock	27,527	$138.03	$3.80M
Sale	Class A Common Stock	3,230	$138.33	$447K
Sale	Class A Common Stock	1,882	$140.53	$264K
Sale	Class A Common Stock	103,634	$138.03	$14.30M
Sale	Class A Common Stock	12,162	$138.33	$1.68M
Sale	Class A Common Stock	7,084	$140.53	$996K

Holdings After Transaction: Class A Common Stock — 6,397,721 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 $137.00 to $137.99, 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, 3, 4 and 5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.00 to $138.99, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.42 to $141.11, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.20 to $138.17, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.20 to $138.50, 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 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.

Form 4 Insider Transactions: What Each Field Means →

10/02/2025 - 09:23 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)
10/02/2025

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	10/02/2025		S		6,936	D	$137.45⁽¹⁾	6,397,721	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/02/2025		S		58,315	D	$138.13⁽²⁾	6,339,406	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/02/2025		S		150	D	$139.19	6,339,256	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/02/2025		S		8,180	D	$140.81⁽³⁾	6,331,076	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/02/2025		S		242,234	D	$138.03⁽⁴⁾	25,561,405	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/02/2025		S		28,426	D	$138.33⁽⁵⁾	25,532,979	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/02/2025		S		16,556	D	$140.53⁽³⁾	25,516,423	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/02/2025		S		121,830	D	$138.03⁽⁴⁾	3,393,450	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/02/2025		S		14,297	D	$138.33⁽⁵⁾	3,379,153	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/02/2025		S		8,328	D	$140.53⁽³⁾	3,370,825	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/02/2025		S		31,762	D	$138.03⁽⁴⁾	2,015,266	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/02/2025		S		3,728	D	$138.33⁽⁵⁾	2,011,538	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/02/2025		S		2,172	D	$140.53⁽³⁾	2,009,366	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/02/2025		S		3,287	D	$138.03⁽⁴⁾	346,473	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹³⁾
Class A Common Stock	10/02/2025		S		387	D	$138.33⁽⁵⁾	346,086	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹³⁾
Class A Common Stock	10/02/2025		S		226	D	$140.53⁽³⁾	345,860	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹³⁾
Class A Common Stock	10/02/2025		S		70,799	D	$138.03⁽⁴⁾	6,012,977	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁴⁾
Class A Common Stock	10/02/2025		S		8,310	D	$138.33⁽⁵⁾	6,004,667	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁴⁾
Class A Common Stock	10/02/2025		S		4,842	D	$140.53⁽³⁾	5,999,825	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁴⁾
Class A Common Stock	10/02/2025		S		97,191	D	$138.03⁽⁴⁾	7,585,918	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁵⁾
Class A Common Stock	10/02/2025		S		11,405	D	$138.33⁽⁵⁾	7,574,513	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁵⁾
Class A Common Stock	10/02/2025		S		6,644	D	$140.53⁽³⁾	7,567,869	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁵⁾
Class A Common Stock	10/02/2025		S		27,527	D	$138.03⁽⁴⁾	1,568,764	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁶⁾
Class A Common Stock	10/02/2025		S		3,230	D	$138.33⁽⁵⁾	1,565,534	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁶⁾
Class A Common Stock	10/02/2025		S		1,882	D	$140.53⁽³⁾	1,563,652	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁶⁾
Class A Common Stock	10/02/2025		S		103,634	D	$138.03⁽⁴⁾	10,027,678	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁷⁾
Class A Common Stock	10/02/2025		S		12,162	D	$138.33⁽⁵⁾	10,015,516	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁷⁾
Class A Common Stock	10/02/2025		S		7,084	D	$140.53⁽³⁾	10,008,432	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽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 $137.00 to $137.99, 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, 3, 4 and 5.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.00 to $138.99, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.42 to $141.11, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.20 to $138.17, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.20 to $138.50, inclusive.

6. 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 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").

7. 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.

8. 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.

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

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

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

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

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

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

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

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

17. These securities are held directly by Magnetar Structured Credit 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	10/02/2025
	/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	10/02/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/02/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/02/2025
	** 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 report on CoreWeave (CRWV) on 10/02/2025?

Magnetar-affiliated entities reported multiple sales of Class A common stock on 10/02/2025 at weighted-average prices generally ranging from $137.00 to $141.11.

Which Magnetar entities filed the Form 4 for CRWV?

The Form 4 lists Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman as reporting persons, acting through affiliated funds.

Were these transactions purchases or sales?

They were sales (transaction code S) across multiple lines for Class A common stock.

Do the filings state how many shares were sold in total?

The Form 4 presents multiple individual sale lines with amounts per line and post-transaction holdings, but it does not provide a single summed total in a single line; weighted-average prices and ranges are provided in footnotes.

What price information is disclosed in the Form 4?

Prices are reported as weighted averages with footnote ranges, including ranges such as $137.00–$137.99, $138.00–$138.99, $140.42–$141.11, and others noted in footnotes.

Magnetar entities report multiple CRWV Class A sales at ~$137–$141

Rhea-AI Filing Summary

Positive

Negative

Insights

Corporate Governance Analyst positive

Equity Markets Specialist positive

Insider Trade Summary

FAQ

What did Magnetar report on CoreWeave (CRWV) on 10/02/2025?

Which Magnetar entities filed the Form 4 for CRWV?

Were these transactions purchases or sales?

Do the filings state how many shares were sold in total?

What price information is disclosed in the Form 4?