[Form 4] CoreWeave, Inc. Insider Trading Activity

Q: What transactions did Magnetar report for CoreWeave (CRWV) on 09/19/2025?

The Form 4 reports multiple dispositions (sales) of Class A common stock by Magnetar-affiliated persons and entities executed on 09/19/2025 at weighted-average prices in ranges noted in the footnotes.

Q: Who are the reporting parties and what relationships are disclosed?

Reporting parties include Magnetar Financial LLC , Magnetar Capital Partners LP , Supernova Management LLC , and David J. Snyderman . Footnotes explain the adviser/manager/general partner relationships and disclaimers of beneficial ownership except for pecuniary interest.

Q: Are these derivative transactions or non-derivative?

The reported transactions in Table I are non-derivative disposals of Class A common stock; Table II (derivatives) contains no reported transactions in this filing.

Filing Impact

(High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Magnetar-affiliated entities reported multiple sales of CoreWeave, Inc. (CRWV) Class A common stock on 09/19/2025. The Form 4 lists numerous dispositions across several Magnetar funds and related entities at weighted-average prices in the range of approximately $121.78 to $129.18 per share. Individual reported sales include transactions of 489,902 shares, 246,392 shares, 123,000+ smaller lots and other positions, with post-transaction beneficial ownership balances reported for different entities (examples: 6,654,304 shares indirect, 26,827,494 shares indirect, 4,030,222 shares indirect, and other entity-specific totals). The filing includes standard footnote disclosures describing the relationships among Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman and disclaimers of beneficial ownership except for pecuniary interest.

Positive

None.

Negative

Multiple large dispositions of CRWV Class A shares by Magnetar-affiliated entities on 09/19/2025 (including a reported sale of 489,902 shares).
Sales executed across several Magnetar funds and related entities, reducing reported indirect holdings for those entities (post-transaction balances are reported for each entity).
Wide range of transaction prices disclosed (footnoted ranges from approximately $121.78 to $129.18 per share), indicating numerous separate trade executions on the same date.

Insights

TL;DR: Significant block sales by Magnetar affiliates on 09/19/2025 reduce their reported indirect holdings across multiple entities.

The Form 4 documents a series of non-derivative dispositions of CoreWeave Class A shares executed on the same date at varying weighted-average prices between about $121.78 and $129.18 per share. The transactions are recorded across multiple Magnetar-managed vehicles, with several large individual sale lots (for example, a 489,902-share disposition). Post-transaction beneficial ownership is reported separately by entity, indicating Magnetar-affiliated accounts retain substantial indirect positions even after these sales. For analysts, the filing is a clear disclosure of liquidity activity by a significant shareholder group; it does not include company operational or financial performance data, so market impact depends on context such as total float and contemporaneous trading volume (not provided in this filing).

TL;DR: Insider-related entities executed multiple sales; disclosures and footnotes clarify ownership structure and disclaimers.

The filing properly identifies the reporting persons and provides detailed footnotes describing the manager/partner relationships among Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman. Multiple sales on a single date are documented with weighted-average prices and price ranges provided in footnotes. The filing includes the customary disclaimer that these entities disclaim beneficial ownership except to the extent of pecuniary interest. From a governance perspective, the Form 4 supplies required transparency about the transactions and the chain of control; the document does not allege any misconduct or regulatory exception, and all reported items are transactional disclosures rather than changes in management or control.

09/22/2025 - 08:18 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)
09/19/2025

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	09/19/2025		S		2,124	D	$121.91⁽¹⁾	6,837,691	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁴⁾
Class A Common Stock	09/19/2025		S		24,898	D	$124.6⁽²⁾	6,812,793	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁴⁾
Class A Common Stock	09/19/2025		S		115,961	D	$125.3⁽³⁾	6,696,832	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁴⁾
Class A Common Stock	09/19/2025		S		23,147	D	$126.59⁽⁴⁾	6,673,685	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁴⁾
Class A Common Stock	09/19/2025		S		17,212	D	$127.96⁽⁵⁾	6,656,473	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁴⁾
Class A Common Stock	09/19/2025		S		2,169	D	$128.82⁽⁶⁾	6,654,304	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁴⁾
Class A Common Stock	09/19/2025		S		9,105	D	$121.9⁽⁷⁾	27,586,496	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁵⁾
Class A Common Stock	09/19/2025		S		103,500	D	$124.67⁽⁸⁾	27,482,996	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁵⁾
Class A Common Stock	09/19/2025		S		489,902	D	$125.3⁽⁹⁾	26,993,094	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁵⁾
Class A Common Stock	09/19/2025		S		89,700	D	$126.6⁽⁴⁾	26,903,394	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁵⁾
Class A Common Stock	09/19/2025		S		69,000	D	$127.96⁽¹⁰⁾	26,834,394	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁵⁾
Class A Common Stock	09/19/2025		S		6,900	D	$128.66	26,827,494	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁵⁾
Class A Common Stock	09/19/2025		S		4,581	D	$121.9⁽⁷⁾	4,411,950	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁶⁾
Class A Common Stock	09/19/2025		S		52,053	D	$124.67⁽⁸⁾	4,359,897	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁶⁾
Class A Common Stock	09/19/2025		S		246,392	D	$125.3⁽⁹⁾	4,113,505	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁶⁾
Class A Common Stock	09/19/2025		S		45,110	D	$126.6⁽⁴⁾	4,068,395	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁶⁾
Class A Common Stock	09/19/2025		S		34,703	D	$127.96⁽¹⁰⁾	4,033,692	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁶⁾
Class A Common Stock	09/19/2025		S		3,470	D	$128.66	4,030,222	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁶⁾
Class A Common Stock	09/19/2025		S		1,194	D	$121.9⁽⁷⁾	2,280,791	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁷⁾
Class A Common Stock	09/19/2025		S		13,572	D	$124.67⁽⁸⁾	2,267,219	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁷⁾
Class A Common Stock	09/19/2025		S		64,228	D	$125.3⁽⁹⁾	2,202,991	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁷⁾
Class A Common Stock	09/19/2025		S		11,765	D	$126.6⁽⁴⁾	2,191,226	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁷⁾
Class A Common Stock	09/19/2025		S		9,047	D	$127.96⁽¹⁰⁾	2,182,179	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁷⁾
Class A Common Stock	09/19/2025		S		905	D	$128.66	2,181,274	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁷⁾
Class A Common Stock	09/19/2025		S		123	D	$121.9⁽⁷⁾	373,933	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁸⁾
Class A Common Stock	09/19/2025		S		1,407	D	$124.67⁽⁸⁾	372,526	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁸⁾
Class A Common Stock	09/19/2025		S		6,642	D	$125.3⁽⁹⁾	365,884	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁸⁾
Class A Common Stock	09/19/2025		S		1,222	D	$126.6⁽⁴⁾	364,662	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁸⁾
Class A Common Stock	09/19/2025		S		937	D	$127.96⁽¹⁰⁾	363,725	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽¹⁸⁾
Class A Common Stock	09/19/2025		S		94	D	$128.66	363,631	I	Footnotes⁽¹¹⁾⁽¹²⁾⁽¹³⁾⁽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 $121.78 to $122.09, 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, 6, 7, 8, 9 and 10.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $123.93 to $124.91, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $124.95 to $125.86, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $126.00 to $126.98, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $127.58 to $128.47, inclusive.

6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $128.66 to $129.18, inclusive.

7. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $121.78 to $122.03, inclusive.

8. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $124.00 to $124.95, inclusive.

9. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $125.00 to $125.76, inclusive.

10. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $127.58 to $128.30, inclusive.

11. 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 and Longhorn Special Opportunities Fund LP and the manager of Magnetar Alpha Star Fund LLC (collectively, the "Magnetar Funds").

12. 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.

13. 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.

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

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

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

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

18. These securities are held directly by Magnetar Capital 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	09/22/2025
	/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	09/22/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	09/22/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	09/22/2025
	** 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 transactions did Magnetar report for CoreWeave (CRWV) on 09/19/2025?

The Form 4 reports multiple dispositions (sales) of Class A common stock by Magnetar-affiliated persons and entities executed on 09/19/2025 at weighted-average prices in ranges noted in the footnotes.

How many shares were sold in the largest reported lot?

The largest single reported disposition shown in the table is 489,902 shares sold on 09/19/2025.

Do the filings show remaining ownership after the sales?

Yes; the Form 4 reports post-transaction beneficial ownership balances by entity, for example 6,654,304, 26,827,494, and 4,030,222 shares indirect, among others.

Who are the reporting parties and what relationships are disclosed?

Reporting parties include Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, and David J. Snyderman. Footnotes explain the adviser/manager/general partner relationships and disclaimers of beneficial ownership except for pecuniary interest.

Are these derivative transactions or non-derivative?

The reported transactions in Table I are non-derivative disposals of Class A common stock; Table II (derivatives) contains no reported transactions in this filing.

[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

FAQ

What transactions did Magnetar report for CoreWeave (CRWV) on 09/19/2025?

How many shares were sold in the largest reported lot?

Do the filings show remaining ownership after the sales?

Who are the reporting parties and what relationships are disclosed?

Are these derivative transactions or non-derivative?

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[Form 4] CoreWeave, Inc. Insider Trading Activity

Insights

Financial Analyst neutral

Corporate Governance Expert negative

FAQ

What transactions did Magnetar report for CoreWeave (CRWV) on 09/19/2025?

How many shares were sold in the largest reported lot?

Do the filings show remaining ownership after the sales?

Who are the reporting parties and what relationships are disclosed?

Are these derivative transactions or non-derivative?

NASDAQ:CRWV

CRWV Rankings

CRWV Latest News

CRWV Latest SEC Filings

CRWV Stock Data