[Form 4] CoreWeave, Inc. Insider Trading Activity

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave, Inc. insider group led by Magnetar entities reported a series of open‑market sales of Class A common stock executed on 10/09/2025. The filings list multiple dispositions by affiliated entities and persons (Magnetar Financial LLC; Magnetar Capital Partners LP; Supernova Management LLC; David J. Snyderman) across a range of per‑share prices from about $139.03 to $143.13. The report shows repeated sales reported on separate lines, with the reportable ownership remaining held indirectly by various Magnetar funds. Footnotes state the reported prices are weighted averages from multiple transactions and identify the specific fund holding each block of shares. The filing is procedural disclosure of insider sales rather than a transaction that changes management or the company’s operations.

Insights

TL;DR: Multiple related-party sales disclosed by Magnetar affiliates on 10/09/2025

The filing documents coordinated sales of Class A common stock by Magnetar-controlled entities and an affiliated individual, filed under Form 4 as required by Section 16. The structure shows indirect ownership through multiple funds with disclaimers of beneficial ownership except for pecuniary interest.

Dependence and risk arise from concentrated reporting by one investor group; monitor any future Form 4s for changes in indirect holdings or a shift from sales to transfers within affiliated funds over the next several reporting cycles.

TL;DR: Sales executed at weighted average prices near $140 across multiple blocks

Transactions list per‑line weighted average prices with ranges from $139.03 to $143.13, indicating multiple executions on 10/09/2025. The form reports each sale line separately and footnotes permit the requester to obtain per‑trade quantities by price.

Because the filing reports only dispositions, the immediate market impact is informational; investors and compliance teams may request the detailed breakdowns noted in the footnotes if needed within usual SEC review timeframes.

Insider Trade Summary

Net Seller: 907,277 shares ($128,070,413)

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 907,277 shs ($128.07M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	4,509	$139.50	$629K
Sale	Class A Common Stock	61,148	$140.88	$8.61M
Sale	Class A Common Stock	8,293	$141.53	$1.17M
Sale	Class A Common Stock	11,682	$142.88	$1.67M
Sale	Class A Common Stock	14,268	$139.48	$1.99M
Sale	Class A Common Stock	258,125	$140.91	$36.37M
Sale	Class A Common Stock	34,499	$141.52	$4.88M
Sale	Class A Common Stock	44,119	$142.89	$6.30M
Sale	Class A Common Stock	7,170	$139.48	$1.00M
Sale	Class A Common Stock	129,800	$140.91	$18.29M
Sale	Class A Common Stock	17,351	$141.52	$2.46M
Sale	Class A Common Stock	22,187	$142.89	$3.17M
Sale	Class A Common Stock	1,865	$139.48	$260K
Sale	Class A Common Stock	33,817	$140.91	$4.77M
Sale	Class A Common Stock	4,523	$141.52	$640K
Sale	Class A Common Stock	5,786	$142.89	$827K
Sale	Class A Common Stock	193	$139.48	$27K
Sale	Class A Common Stock	3,494	$140.91	$492K
Sale	Class A Common Stock	468	$141.52	$66K
Sale	Class A Common Stock	600	$142.89	$86K
Sale	Class A Common Stock	4,165	$139.48	$581K
Sale	Class A Common Stock	75,415	$140.91	$10.63M
Sale	Class A Common Stock	10,083	$141.52	$1.43M
Sale	Class A Common Stock	12,896	$142.89	$1.84M
Sale	Class A Common Stock	5,722	$139.48	$798K
Sale	Class A Common Stock	103,552	$140.91	$14.59M
Sale	Class A Common Stock	13,843	$141.52	$1.96M
Sale	Class A Common Stock	17,704	$142.89	$2.53M

Holdings After Transaction: Class A Common Stock — 6,162,736 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 $139.03 to $140.00, 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 and 7. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.10 to $141.04, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $141.17 to $142.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.17 to $143.13, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.15 to $140.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.15 to $141.04, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.50 to $143.13, 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 and Longhorn Special Opportunities 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 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 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.

Form 4 Insider Transactions: What Each Field Means →

10/10/2025 - 09:51 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)
10/09/2025

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	10/09/2025		S		4,509	D	$139.5⁽¹⁾	6,162,736	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/09/2025		S		61,148	D	$140.88⁽²⁾	6,101,588	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/09/2025		S		8,293	D	$141.53⁽³⁾	6,093,295	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/09/2025		S		11,682	D	$142.88⁽⁴⁾	6,081,613	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹¹⁾
Class A Common Stock	10/09/2025		S		14,268	D	$139.48⁽⁵⁾	24,823,198	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/09/2025		S		258,125	D	$140.91⁽⁶⁾	24,565,073	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/09/2025		S		34,499	D	$141.52⁽³⁾	24,530,574	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/09/2025		S		44,119	D	$142.89⁽⁷⁾	24,486,455	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹²⁾
Class A Common Stock	10/09/2025		S		7,170	D	$139.48⁽⁵⁾	3,022,176	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/09/2025		S		129,800	D	$140.91⁽⁶⁾	2,892,376	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/09/2025		S		17,351	D	$141.52⁽³⁾	2,875,025	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/09/2025		S		22,187	D	$142.89⁽⁷⁾	2,852,838	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹³⁾
Class A Common Stock	10/09/2025		S		1,865	D	$139.48⁽⁵⁾	1,918,485	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/09/2025		S		33,817	D	$140.91⁽⁶⁾	1,884,668	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/09/2025		S		4,523	D	$141.52⁽³⁾	1,880,145	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/09/2025		S		5,786	D	$142.89⁽⁷⁾	1,874,359	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁴⁾
Class A Common Stock	10/09/2025		S		193	D	$139.48⁽⁵⁾	336,470	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/09/2025		S		3,494	D	$140.91⁽⁶⁾	332,976	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/09/2025		S		468	D	$141.52⁽³⁾	332,508	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/09/2025		S		600	D	$142.89⁽⁷⁾	331,908	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁵⁾
Class A Common Stock	10/09/2025		S		4,165	D	$139.48⁽⁵⁾	5,797,221	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/09/2025		S		75,415	D	$140.91⁽⁶⁾	5,721,806	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/09/2025		S		10,083	D	$141.52⁽³⁾	5,711,723	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/09/2025		S		12,896	D	$142.89⁽⁷⁾	5,698,827	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁶⁾
Class A Common Stock	10/09/2025		S		5,722	D	$139.48⁽⁵⁾	7,289,722	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁷⁾
Class A Common Stock	10/09/2025		S		103,552	D	$140.91⁽⁶⁾	7,186,170	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁷⁾
Class A Common Stock	10/09/2025		S		13,843	D	$141.52⁽³⁾	7,172,327	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽¹⁷⁾
Class A Common Stock	10/09/2025		S		17,704	D	$142.89⁽⁷⁾	7,154,623	I	Footnotes⁽⁸⁾⁽⁹⁾⁽¹⁰⁾⁽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 $139.03 to $140.00, 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 and 7.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.10 to $141.04, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $141.17 to $142.00, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.17 to $143.13, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.15 to $140.00, inclusive.

6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.15 to $141.04, inclusive.

7. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.50 to $143.13, inclusive.

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

9. 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.

10. 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.

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

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

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

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

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

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

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

	/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	10/10/2025
	/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	10/10/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/10/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/10/2025
	** 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

[Form 4] CoreWeave, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Positive

Negative

Insights

Corporate Governance Analyst positive

Equity Transactions Specialist positive

Insider Trade Summary