How are the reporting persons related to CoreWeave (CRWV)?

They are listed as a Director and 10% Owner .

CRWV Form 4: Magnetar affiliates report sales within $134.83–$140.59

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

Affiliates of Magnetar reported open-market sales of CoreWeave Class A Common Stock on 10/28/2025 across multiple funds.

Q: What was the largest single sale reported for CRWV?

One line item shows 108,325 shares sold at a weighted average price of $138.38 .

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

Footnotes cite ranges including $134.83–$135.80 , $136.40–$137.09 , $137.40–$138.38 , $138.67–$139.59 , and $139.70–$140.59 .

Q: Were the CRWV holdings reported as direct or indirect?

Post-transaction holdings are shown as indirect through Magnetar-managed entities, with amounts listed per fund.

Q: Which Magnetar entities are referenced?

Footnotes reference Magnetar Structured Credit Fund, LP , Magnetar Xing He Master Fund Ltd , Purpose Alternative Credit Fund - F LLC , and Purpose Alternative Credit Fund - T LLC .

Q: Do the footnotes explain weighted average pricing for CRWV sales?

Yes. Each weighted average price reflects multiple transactions within the stated price ranges for that line.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

CoreWeave (CRWV): Reporting persons affiliated with Magnetar disclosed open‑market sales of Class A Common Stock on 10/28/2025 across multiple affiliated funds. The largest single line item showed 108,325 shares sold at a weighted average price of $138.38. Footnotes state transactions occurred within price ranges including $134.83–$140.59, with additional sales reported at weighted averages such as $134.88, $136.86, $139.18, and $140.21. The reporting group is identified as a Director and 10% Owner, and holdings are reported as indirect through various Magnetar-managed entities.

Insights

Large insider sales by a 10% owner reduce indirect holdings; ongoing selling pressure risk if disposals continue.

Multiple affiliated Magnetar entities reported open‑market sales of CoreWeave Class A Common Stock on 10/28/2025. Disclosed sale tranches executed at weighted average prices spanning $134.83–$140.59, plus individual lots at $141.74. The reported totals across the lines indicate approximately 378,293 shares sold that day.

Post‑transaction, reported indirect holdings stand at 8,783,430 (Magnetar Structured Credit Fund, LP), 3,300,981 (Magnetar Xing He Master Fund Ltd), 3,059,840 (Purpose Alternative Credit Fund – F LLC), and 878,399 (Purpose Alternative Credit Fund – T LLC), summing to 16,022,650 shares. The reporting persons disclaim beneficial ownership beyond pecuniary interests, which limits inference about aggregate control.

The sales were reported by a Director and 10% owner, making them noteworthy for supply dynamics. Price disclosures are weighted averages with explicit ranges, indicating multiple executions within each tranche. Watch for additional Form 4s after 10/28/2025 and any changes in reported indirect holdings; repeated sales could indicate continued distribution. The timeline to monitor is the next few reporting days as further transactions, if any, would trigger prompt filings.

Insider Trade Summary

Net Seller: 378,293 shares ($52,436,174)

Net Sell 24 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 378,293 shs ($52.44M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	5,992	$134.88	$808K
Sale	Class A Common Stock	708	$136.86	$97K
Sale	Class A Common Stock	108,325	$138.38	$14.99M
Sale	Class A Common Stock	40,148	$139.18	$5.59M
Sale	Class A Common Stock	14,618	$140.21	$2.05M
Sale	Class A Common Stock	856	$141.74	$121K
Sale	Class A Common Stock	3,694	$134.88	$498K
Sale	Class A Common Stock	438	$136.86	$60K
Sale	Class A Common Stock	66,761	$138.38	$9.24M
Sale	Class A Common Stock	24,739	$139.18	$3.44M
Sale	Class A Common Stock	9,008	$140.21	$1.26M
Sale	Class A Common Stock	527	$141.74	$75K
Sale	Class A Common Stock	2,977	$134.88	$402K
Sale	Class A Common Stock	354	$136.86	$48K
Sale	Class A Common Stock	53,782	$138.38	$7.44M
Sale	Class A Common Stock	19,934	$139.18	$2.77M
Sale	Class A Common Stock	7,259	$140.21	$1.02M
Sale	Class A Common Stock	425	$141.74	$60K
Sale	Class A Common Stock	622	$134.88	$84K
Sale	Class A Common Stock	72	$136.86	$10K
Sale	Class A Common Stock	11,267	$138.38	$1.56M
Sale	Class A Common Stock	4,177	$139.18	$581K
Sale	Class A Common Stock	1,521	$140.21	$213K
Sale	Class A Common Stock	89	$141.74	$13K

Holdings After Transaction: Class A Common Stock — 8,948,085 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 $134.83 to $135.80, 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 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 $136.40 to $137.09, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.40 to $138.38, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.67 to $139.59, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.70 to $140.59, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC and the general partner of Magnetar Structured Credit 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 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.

Form 4 Insider Transactions: What Each Field Means →

10/29/2025 - 09:31 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)
10/28/2025

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	10/28/2025		S		5,992	D	$134.88⁽¹⁾	8,948,085	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/28/2025		S		708	D	$136.86⁽²⁾	8,947,377	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/28/2025		S		108,325	D	$138.38⁽³⁾	8,839,052	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/28/2025		S		40,148	D	$139.18⁽⁴⁾	8,798,904	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/28/2025		S		14,618	D	$140.21⁽⁵⁾	8,784,286	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/28/2025		S		856	D	$141.74	8,783,430	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽⁹⁾
Class A Common Stock	10/28/2025		S		3,694	D	$134.88⁽¹⁾	3,402,454	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/28/2025		S		438	D	$136.86⁽²⁾	3,402,016	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/28/2025		S		66,761	D	$138.38⁽³⁾	3,335,255	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/28/2025		S		24,739	D	$139.18⁽⁴⁾	3,310,516	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/28/2025		S		9,008	D	$140.21⁽⁵⁾	3,301,508	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/28/2025		S		527	D	$141.74	3,300,981	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹⁰⁾
Class A Common Stock	10/28/2025		S		2,977	D	$134.88⁽¹⁾	3,141,594	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/28/2025		S		354	D	$136.86⁽²⁾	3,141,240	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/28/2025		S		53,782	D	$138.38⁽³⁾	3,087,458	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/28/2025		S		19,934	D	$139.18⁽⁴⁾	3,067,524	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/28/2025		S		7,259	D	$140.21⁽⁵⁾	3,060,265	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/28/2025		S		425	D	$141.74	3,059,840	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹¹⁾
Class A Common Stock	10/28/2025		S		622	D	$134.88⁽¹⁾	895,525	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/28/2025		S		72	D	$136.86⁽²⁾	895,453	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/28/2025		S		11,267	D	$138.38⁽³⁾	884,186	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/28/2025		S		4,177	D	$139.18⁽⁴⁾	880,009	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/28/2025		S		1,521	D	$140.21⁽⁵⁾	878,488	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾
Class A Common Stock	10/28/2025		S		89	D	$141.74	878,399	I	Footnotes⁽⁶⁾⁽⁷⁾⁽⁸⁾⁽¹²⁾

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 $134.83 to $135.80, 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 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 $136.40 to $137.09, inclusive.

3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.40 to $138.38, inclusive.

4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.67 to $139.59, inclusive.

5. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.70 to $140.59, inclusive.

6. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC and the general partner of Magnetar Structured Credit Fund, LP (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 administrative 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 Magnetar Structured Credit Fund, LP.

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

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

12. These securities are held directly by Purpose Alternative Credit Fund - T 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	10/29/2025
	/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	10/29/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Manager of Supernova Management LLC	10/29/2025
	/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman	10/29/2025
	** 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?

Affiliates of Magnetar reported open-market sales of CoreWeave Class A Common Stock on 10/28/2025 across multiple funds.

What was the largest single sale reported for CRWV?

One line item shows 108,325 shares sold at a weighted average price of $138.38.

What price ranges were disclosed for the CRWV sales?

Footnotes cite ranges including $134.83–$135.80, $136.40–$137.09, $137.40–$138.38, $138.67–$139.59, and $139.70–$140.59.

Were the CRWV holdings reported as direct or indirect?

Post-transaction holdings are shown as indirect through Magnetar-managed entities, with amounts listed per fund.

Which Magnetar entities are referenced?

Footnotes reference Magnetar Structured Credit Fund, LP, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC.

Do the footnotes explain weighted average pricing for CRWV sales?

Yes. Each weighted average price reflects multiple transactions within the stated price ranges for that line.

CRWV Form 4: Magnetar affiliates report sales within $134.83–$140.59

Rhea-AI Filing Summary

Positive

Negative

Insights

Equity Ownership Analyst negative

Insider Trade Summary

FAQ

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

What was the largest single sale reported for CRWV?

What price ranges were disclosed for the CRWV sales?

How are the reporting persons related to CoreWeave (CRWV)?

Were the CRWV holdings reported as direct or indirect?

Which Magnetar entities are referenced?

Do the footnotes explain weighted average pricing for CRWV sales?