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  4. [Form 4] CoreWeave, Inc. Insider Trading Activity

CRWV insider sale: $137.44–$141 weighted avgs; 932,272 held

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

CoreWeave, Inc. (CRWV): A 10% owner affiliate reported open‑market sales of Class A common stock on 10/15/2025.

The filings list five sale tranches totaling 12,876 shares at weighted average prices of $137.44 (range $136.72–$137.70), $138.59 (range $137.85–$138.83), $139.11 (range $138.88–$139.65), $140.23 (range $140.00–$140.45) and $141.00.

After these transactions, indirect beneficial ownership is shown as 932,272 shares held by Purpose Alternative Credit Fund - T LLC and 9,202,863 shares held by Magnetar Longhorn Fund LP. The reporting entities state that ownership is disclaimed except to the extent of pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Role 10% Owner | 10% Owner | 10% Owner | 10% Owner
Sold 12,876 shs ($1.79M)
Type Security Shares Price Value
Sale Class A Common Stock 347 $137.44 $48K
Sale Class A Common Stock 9,672 $138.59 $1.34M
Sale Class A Common Stock 2,193 $139.11 $305K
Sale Class A Common Stock 418 $140.23 $59K
Sale Class A Common Stock 246 $141.00 $35K
holding Class A Common Stock -- -- --
Holdings After Transaction: Class A Common Stock — 944,801 shares (Indirect, Footnotes)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.72 to $137.70, 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 footnotes 2, 3 and 4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.85 to $138.83, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.88 to $139.65, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.00 to $140.45, inclusive. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Longhorn Fund LP and Purpose Alternative Credit Fund - T 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 Purpose Alternative Credit Fund - T LLC. These securities are held directly by Magnetar Longhorn Fund LP.
Form 4 Insider Transactions: What Each Field Means →
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 IL 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)
10/15/2025
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)
Code V Amount (A) or (D) Price
Class A Common Stock 10/15/2025 S 347 D $137.44(1) 944,801 I Footnotes(5)(6)(7)(8)
Class A Common Stock 10/15/2025 S 9,672 D $138.59(2) 935,129 I Footnotes(5)(6)(7)(8)
Class A Common Stock 10/15/2025 S 2,193 D $139.11(3) 932,936 I Footnotes(5)(6)(7)(8)
Class A Common Stock 10/15/2025 S 418 D $140.23(4) 932,518 I Footnotes(5)(6)(7)(8)
Class A Common Stock 10/15/2025 S 246 D $141 932,272 I Footnotes(5)(6)(7)(8)
Class A Common Stock 9,202,863 I Footnotes(5)(6)(7)(9)
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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
Magnetar Financial LLC
(Last) (First) (Middle)
1603 ORRINGTON AVENUE
13TH FLOOR
(Street)
EVANSTON IL 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 IL 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 IL 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 IL 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 $136.72 to $137.70, 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 footnotes 2, 3 and 4.
2. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.85 to $138.83, inclusive.
3. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.88 to $139.65, inclusive.
4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $140.00 to $140.45, inclusive.
5. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Longhorn Fund LP and Purpose Alternative Credit Fund - T LLC (collectively, the "Magnetar Funds").
6. 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.
7. 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.
8. These securities are held directly by Purpose Alternative Credit Fund - T LLC.
9. These securities are held directly by Magnetar Longhorn 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 Form 4?

A 10% owner affiliate reported open‑market sales of Class A shares on 10/15/2025 across five tranches.

How many CRWV shares were sold and at what prices?

A total of 12,876 shares were sold at weighted average prices of $137.44, $138.59, $139.11, $140.23, and $141.00.

What price ranges did the CRWV sales cover?

The ranges disclosed were $136.72–$137.70, $137.85–$138.83, $138.88–$139.65, and $140.00–$140.45.

What is the post‑transaction beneficial ownership for CRWV?

Indirect holdings are listed as 932,272 shares (Purpose Alternative Credit Fund - T LLC) and 9,202,863 shares (Magnetar Longhorn Fund LP).

What was the transaction code on the CRWV Form 4?

The code was S, indicating an open‑market or private sale of non‑derivative securities.

Do the reporting persons claim full ownership of CRWV shares?

They disclaim beneficial ownership except to the extent of their pecuniary interest, per the footnotes.