CoreWeave Inc.

05/01/2026 | Press release | Distributed by Public on 05/01/2026 19:51

Statement of Changes in Beneficial Ownership (Form 4)

FORM 4
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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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
(Print or Type Responses)
1. Name and Address of Reporting Person *
Magnetar Financial LLC
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)
(Last) (First) (Middle)
1603 ORRINGTON AVENUE, 13TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2026
(Street)
EVANSTON, IL 60201
4. If Amendment, Date 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
(City) (State) (Zip)
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
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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 control number. SEC 1474 (9-02)
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 Underlying Securities
(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 of Derivative Security: 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
Call option (obligation to sell) $155 05/01/2026 S 42,403 12/18/2026 12/18/2026 Class A Common Stock 42,403 $858,660.75 216,253 I Footnotes(1)(2)(3)(4)
Call option (obligation to sell) $160 05/01/2026 S 42,403 12/18/2026 12/18/2026 Class A Common Stock 42,403 $858,660.75 216,253 I Footnotes(1)(2)(3)(4)
Call option (obligation to sell) $155 05/01/2026 S 134,466 12/18/2026 12/18/2026 Class A Common Stock 134,466 $2,722,936.5 671,085 I Footnotes(1)(2)(3)(5)
Call option (obligation to sell) $160 05/01/2026 S 134,466 12/18/2026 12/18/2026 Class A Common Stock 134,466 $2,722,936.5 671,085 I Footnotes(1)(2)(3)(5)
Call option (obligation to sell) $155 05/01/2026 S 17,629 12/18/2026 12/18/2026 Class A Common Stock 17,629 $356,987.25 87,981 I Footnotes(1)(2)(3)(6)
Call option (obligation to sell) $160 05/01/2026 S 17,629 12/18/2026 12/18/2026 Class A Common Stock 17,629 $356,987.25 87,981 I Footnotes(1)(2)(3)(6)
Call option (obligation to sell) $155 05/01/2026 S 1,822 12/18/2026 12/18/2026 Class A Common Stock 1,822 $36,895.5 9,094 I Footnotes(1)(2)(3)(7)
Call option (obligation to sell) $160 05/01/2026 S 1,822 12/18/2026 12/18/2026 Class A Common Stock 1,822 $36,895.5 9,094 I Footnotes(1)(2)(3)(7)
Call option (obligation to sell) $155 05/01/2026 S 39,297 12/18/2026 12/18/2026 Class A Common Stock 39,297 $795,764.25 196,122 I Footnotes(1)(2)(3)(8)
Call option (obligation to sell) $160 05/01/2026 S 39,298 12/18/2026 12/18/2026 Class A Common Stock 39,298 $795,784.5 196,123 I Footnotes(1)(2)(3)(8)
Call option (obligation to sell) $155 05/01/2026 S 53,951 12/18/2026 12/18/2026 Class A Common Stock 53,951 $1,092,507.75 269,256 I Footnotes(1)(2)(3)(9)
Call option (obligation to sell) $160 05/01/2026 S 53,951 12/18/2026 12/18/2026 Class A Common Stock 53,951 $1,092,507.75 269,256 I Footnotes(1)(2)(3)(9)
Call option (obligation to sell) $155 05/01/2026 S 67,628 12/18/2026 12/18/2026 Class A Common Stock 67,628 $1,369,467 337,511 I Footnotes(1)(2)(3)(10)
Call option (obligation to sell) $160 05/01/2026 S 67,627 12/18/2026 12/18/2026 Class A Common Stock 67,627 $1,369,446.75 337,510 I Footnotes(1)(2)(3)(10)
Call option (obligation to sell) $155 05/01/2026 S 15,280 12/18/2026 12/18/2026 Class A Common Stock 15,280 $309,420 76,259 I Footnotes(1)(2)(3)(11)
Call option (obligation to sell) $160 05/01/2026 S 15,280 12/18/2026 12/18/2026 Class A Common Stock 15,280 $309,420 76,259 I Footnotes(1)(2)(3)(11)
Call option (obligation to sell) $155 05/01/2026 S 57,526 12/18/2026 12/18/2026 Class A Common Stock 57,526 $1,164,901.5 287,099 I Footnotes(1)(2)(3)(12)
Call option (obligation to sell) $160 05/01/2026 S 57,527 12/18/2026 12/18/2026 Class A Common Stock 57,527 $1,164,921.75 287,099 I Footnotes(1)(2)(3)(12)
Call option (obligation to sell) $155 05/01/2026 S 35,454 12/18/2026 12/18/2026 Class A Common Stock 35,454 $717,943.5 176,940 I Footnotes(1)(2)(3)(13)
Call option (obligation to sell) $160 05/01/2026 S 35,453 12/18/2026 12/18/2026 Class A Common Stock 35,453 $717,923.25 176,940 I Footnotes(1)(2)(3)(13)
Call option (obligation to sell) $155 05/01/2026 S 28,560 12/18/2026 12/18/2026 Class A Common Stock 28,560 $578,340 142,536 I Footnotes(1)(2)(3)(14)
Call option (obligation to sell) $160 05/01/2026 S 28,560 12/18/2026 12/18/2026 Class A Common Stock 28,560 $578,340 142,536 I Footnotes(1)(2)(3)(14)
Call option (obligation to sell) $155 05/01/2026 S 5,984 12/18/2026 12/18/2026 Class A Common Stock 5,984 $121,176 29,864 I Footnotes(1)(2)(3)(15)
Call option (obligation to sell) $160 05/01/2026 S 5,984 12/18/2026 12/18/2026 Class A Common Stock 5,984 $121,176 29,864 I Footnotes(1)(2)(3)(15)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Magnetar Financial LLC
1603 ORRINGTON AVENUE
13TH FLOOR
EVANSTON, IL 60201
X
Magnetar Capital Partners LP
1603 ORRINGTON AVENUE
13TH FLOOR
EVANSTON, IL 60201
X
Supernova Management LLC
1603 ORRINGTON AVENUE
13TH FLOOR
EVANSTON, IL 60201
X
Snyderman David J.
1603 ORRINGTON AVENUE
13TH FLOOR
EVANSTON, IL 60201
X

Signatures

/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative 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 05/01/2026
**Signature of Reporting Person Date
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC, which is the General Partner of Magnetar Capital Partners LP 05/01/2026
**Signature of Reporting Person Date
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC 05/01/2026
**Signature of Reporting Person Date
/s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman 05/01/2026
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity 2 LP, CW Opportunity LLC, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, and Purpose Alternative Credit Fund - T LLC, the general partner of Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund (They are not separate legal entities) and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
(2) 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.
(3) 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.
(4) These securities are held directly by CW Opportunity 2 LP.
(5) These securities are held directly by CW Opportunity LLC.
(6) These securities are held directly by Magnetar Alpha Star Fund LLC.
(7) These securities are held directly by Magnetar Capital Master Fund, Ltd.
(8) These securities are held directly by Magnetar Constellation Master Fund, Ltd.
(9) These securities are held directly by Magnetar Lake Credit Fund LLC.
(10) These securities are held directly by Magnetar Longhorn Fund LP.
(11) These securities are held directly by Magnetar SC Fund Ltd.
(12) These securities are held directly by Magnetar Structured Credit Fund, LP DBA Magnetar Constellation Onshore Fund. They are not separate legal entities.
(13) These securities are held directly by Magnetar Xing He Master Fund Ltd.
(14) These securities are held directly by Purpose Alternative Credit Fund - F LLC.
(15) These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.
CoreWeave Inc. published this content on May 01, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on May 02, 2026 at 01:52 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]