CRWV Form 4: Magnetar affiliates sell shares; post-sale stakes listed

Q: What price ranges were disclosed for the CRWV stock sales?

Weighted average prices spanned ranges including $140.00 to $150.00 , with detailed brackets such as $141.00–$141.95 , $142.00–$142.89 , and $149.75–$150.00 .

Q: How many CRWV shares were held after the reported transactions?

Post‑transaction indirect holdings were 23,281,436 (CW Opportunity LLC), 5,789,361 (CW Opportunity 2 LP), and 2,246,787 (Longhorn Special Opportunities Fund LP).

Q: Do the reporting persons claim full beneficial ownership of the CRWV shares?

No. The reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest, as stated in the footnotes.

Q: Were the CRWV sales made under a single price?

No. Each line reflects a weighted average price ; detailed price ranges are provided, and exact per‑trade data is available upon request as noted.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave, Inc. (CRWV): Reporting persons affiliated with Magnetar disclosed multiple open‑market sales of Class A common stock on 10/16/2025, executed in tranches at weighted average prices within disclosed ranges from $140.00 to $150.00.

Following these transactions, reported indirect holdings were 23,281,436 shares by CW Opportunity LLC, 5,789,361 shares by CW Opportunity 2 LP, and 2,246,787 shares by Longhorn Special Opportunities Fund LP. Prices reflect weighted averages with detailed ranges noted; the reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest.

Insights

Large insider sale by a 10% owner/director across affiliated funds; no company cash impact, ownership remains sizable.

The filing discloses open‑market sales (code "S") of CoreWeave, Inc. Class A Common Stock on 10/16/2025 by entities affiliated with Magnetar. Across three funds, approximately 1,004,073 shares were sold at weighted average prices within $140–$150, as detailed in footnotes (1)–(11). These are indirect holdings, and the reporting persons disclaim beneficial ownership beyond pecuniary interest.

Post‑transaction, the funds report remaining indirect holdings of 5,789,361 (CW Opportunity 2 LP), 23,281,436 (CW Opportunity LLC), and 2,246,787 (Longhorn Special Opportunities Fund LP) shares, totaling 31,317,584 shares. The transactions were executed in multiple tranches with weighted average prices and specified intra‑range disclosures available upon request.

This is a secondary sale by existing holders and does not raise capital for the issuer or change shares outstanding. Items to watch include any subsequent Form 4s indicating continued disposition patterns and any Schedule 13D/G updates reflecting changes in group ownership. The next relevant checkpoint is any additional insider activity after 10/16/2025 that alters reported post‑transaction balances.

Insider Trade Summary

Net Seller: 1,004,073 shares ($144,096,539)

Net Sell 27 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 1,004,073 shs ($144.10M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,619	$140.00	$227K
Sale	Class A Common Stock	5,058	$141.42	$715K
Sale	Class A Common Stock	94,788	$142.85	$13.54M
Sale	Class A Common Stock	6,537	$143.33	$937K
Sale	Class A Common Stock	1,569	$144.00	$226K
Sale	Class A Common Stock	5,328	$145.42	$775K
Sale	Class A Common Stock	6,075	$147.83	$898K
Sale	Class A Common Stock	4,607	$148.59	$685K
Sale	Class A Common Stock	3,112	$149.99	$467K
Sale	Class A Common Stock	6,899	$140.00	$966K
Sale	Class A Common Stock	22,766	$141.42	$3.22M
Sale	Class A Common Stock	430,691	$142.85	$61.52M
Sale	Class A Common Stock	29,351	$143.32	$4.21M
Sale	Class A Common Stock	6,899	$144.00	$993K
Sale	Class A Common Stock	23,744	$145.42	$3.45M
Sale	Class A Common Stock	27,598	$147.83	$4.08M
Sale	Class A Common Stock	20,697	$148.58	$3.08M
Sale	Class A Common Stock	13,800	$150.00	$2.07M
Sale	Class A Common Stock	3,470	$140.00	$486K
Sale	Class A Common Stock	11,446	$141.42	$1.62M
Sale	Class A Common Stock	216,611	$142.85	$30.94M
Sale	Class A Common Stock	14,763	$143.32	$2.12M
Sale	Class A Common Stock	3,470	$144.00	$500K
Sale	Class A Common Stock	11,943	$145.42	$1.74M
Sale	Class A Common Stock	13,881	$147.83	$2.05M
Sale	Class A Common Stock	10,410	$148.58	$1.55M
Sale	Class A Common Stock	6,941	$150.00	$1.04M

Holdings After Transaction: Class A Common Stock — 5,916,435 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 $141.00 to $141.95, 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, 10 and 11. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.00 to $142.89, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $143.00 to $143.85, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $144.00 to $144.24, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.00 to $145.78, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $147.30 to $148.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.50 to $148.97, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $149.75 to $150.00, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $143.00 to $143.50, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.00 to $145.54, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.50 to $148.75, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP and Longhorn Special Opportunities 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 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.

Form 4 Insider Transactions: What Each Field Means →

10/17/2025 - 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)
10/16/2025

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	10/16/2025		S		1,619	D	$140	5,916,435	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		5,058	D	$141.42⁽¹⁾	5,911,377	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		94,788	D	$142.85⁽²⁾	5,816,589	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		6,537	D	$143.33⁽³⁾	5,810,052	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		1,569	D	$144⁽⁴⁾	5,808,483	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		5,328	D	$145.42⁽⁵⁾	5,803,155	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		6,075	D	$147.83⁽⁶⁾	5,797,080	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		4,607	D	$148.59⁽⁷⁾	5,792,473	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		3,112	D	$149.99⁽⁸⁾	5,789,361	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁵⁾
Class A Common Stock	10/16/2025		S		6,899	D	$140	23,856,982	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		22,766	D	$141.42⁽¹⁾	23,834,216	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		430,691	D	$142.85⁽²⁾	23,403,525	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		29,351	D	$143.32⁽⁹⁾	23,374,174	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		6,899	D	$144	23,367,275	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		23,744	D	$145.42⁽¹⁰⁾	23,343,531	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		27,598	D	$147.83⁽⁶⁾	23,315,933	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		20,697	D	$148.58⁽¹¹⁾	23,295,236	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		13,800	D	$150	23,281,436	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁶⁾
Class A Common Stock	10/16/2025		S		3,470	D	$140	2,536,252	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		11,446	D	$141.42⁽¹⁾	2,524,806	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		216,611	D	$142.85⁽²⁾	2,308,195	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		14,763	D	$143.32⁽⁹⁾	2,293,432	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		3,470	D	$144	2,289,962	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		11,943	D	$145.42⁽¹⁰⁾	2,278,019	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		13,881	D	$147.83⁽⁶⁾	2,264,138	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		10,410	D	$148.58⁽¹¹⁾	2,253,728	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽¹⁷⁾
Class A Common Stock	10/16/2025		S		6,941	D	$150	2,246,787	I	Footnotes⁽¹²⁾⁽¹³⁾⁽¹⁴⁾⁽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 $141.00 to $141.95, 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, 10 and 11.

2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.00 to $142.89, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $143.00 to $143.85, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $144.00 to $144.24, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.00 to $145.78, inclusive.

6. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $147.30 to $148.00, inclusive.

7. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.50 to $148.97, inclusive.

8. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $149.75 to $150.00, inclusive.

9. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $143.00 to $143.50, inclusive.

10. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $145.00 to $145.54, inclusive.

11. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $148.50 to $148.75, inclusive.

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

13. 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.

14. 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.

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

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

17. 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	10/17/2025
	/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	10/17/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/17/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/17/2025
	** 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 CoreWeave (CRWV) insiders report on this Form 4?

They reported multiple open‑market sales of Class A common stock on 10/16/2025 at weighted average prices within specified ranges.

What price ranges were disclosed for the CRWV stock sales?

Weighted average prices spanned ranges including $140.00 to $150.00, with detailed brackets such as $141.00–$141.95, $142.00–$142.89, and $149.75–$150.00.

How many CRWV shares were held after the reported transactions?

Post‑transaction indirect holdings were 23,281,436 (CW Opportunity LLC), 5,789,361 (CW Opportunity 2 LP), and 2,246,787 (Longhorn Special Opportunities Fund LP).

How were the transactions coded on the Form 4 for CRWV?

They were coded as S (open‑market or private sale) for Class A common stock tranches on 10/16/2025.

Do the reporting persons claim full beneficial ownership of the CRWV shares?

No. The reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest, as stated in the footnotes.

Were the CRWV sales made under a single price?

No. Each line reflects a weighted average price; detailed price ranges are provided, and exact per‑trade data is available upon request as noted.

CRWV Form 4: Magnetar affiliates sell shares; post-sale stakes listed

Rhea-AI Filing Summary

Positive

Negative

Insights

Equity Ownership and Governance Analyst neutral

Insider Trade Summary

FAQ

What did CoreWeave (CRWV) insiders report on this Form 4?

What price ranges were disclosed for the CRWV stock sales?

How many CRWV shares were held after the reported transactions?

How were the transactions coded on the Form 4 for CRWV?

Do the reporting persons claim full beneficial ownership of the CRWV shares?

Were the CRWV sales made under a single price?