# EDGAR Filing Document

**Accession Number:** 0001953511
**File Stem:** 0001104659-26-058110
**Filing Date:** 2026-5
**Character Count:** 17433
**Document Hash:** 9c82f7fe775f94b22d89ec5d8c67a981
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-058110.hdr.sgml**: 20260508

**ACCESSION NUMBER**: 0001104659-26-058110

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260506

**FILED AS OF DATE**: 20260508

**DATE AS OF CHANGE**: 20260508

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Magnetar Financial LLC
- **CENTRAL INDEX KEY:** 0001352851

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42563
- **FILM NUMBER:** 26960387

**BUSINESS ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVE.
- **STREET 2:** 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
- **BUSINESS PHONE:** (847)905-4400

**MAIL ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVE.
- **STREET 2:** 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Magnetar Capital Partners LP
- **CENTRAL INDEX KEY:** 0001353085

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42563
- **FILM NUMBER:** 26960386

**BUSINESS ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVE.
- **STREET 2:** 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
- **BUSINESS PHONE:** (847)905-4400

**MAIL ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVE.
- **STREET 2:** 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Magnetar Capital Partners LLC
- **DATE OF NAME CHANGE:** 20060213
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Snyderman David J.
- **CENTRAL INDEX KEY:** 0001953511

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42563
- **FILM NUMBER:** 26960384

**MAIL ADDRESS:**
- **STREET 1:** C/O MAGNETAR FINANCIAL LLC
- **STREET 2:** 1603 ORRINGTON AVENUE, 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Supernova Management LLC
- **CENTRAL INDEX KEY:** 0001368026

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42563
- **FILM NUMBER:** 26960385

**BUSINESS ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVENUE, 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
- **BUSINESS PHONE:** (847) 905-4400

**MAIL ADDRESS:**
- **STREET 1:** 1603 ORRINGTON AVENUE, 13TH FLOOR
- **CITY:** EVANSTON
- **STATE:** IL
- **ZIP:** 60201
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CoreWeave, Inc.
- **CENTRAL INDEX KEY:** 0001769628
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 823060021
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 290 W. MT. PLEASANT AVENUE, SUITE 4100
- **CITY:** LIVINGSTON
- **STATE:** NJ
- **ZIP:** 07039
- **BUSINESS PHONE:** (973) 270-9737

**MAIL ADDRESS:**
- **STREET 1:** 290 W. MT. PLEASANT AVENUE, SUITE 4100
- **CITY:** LIVINGSTON
- **STATE:** NJ
- **ZIP:** 07039

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Atlantic Crypto Corp
- **DATE OF NAME CHANGE:** 20190304

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Magnetar Financial LLC<br><sub>(Last) (First) (Middle)</sub><br>1603 ORRINGTON AVENUE<br>13TH FLOOR<br><sub>(Street)</sub><br>EVANSTON, IL 60201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-06 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CoreWeave, Inc. [ CRWV ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Magnetar Capital Partners LP<br><sub>(Last) (First) (Middle)</sub><br>1603 ORRINGTON AVENUE<br>13TH FLOOR<br><sub>(Street)</sub><br>EVANSTON, IL 60201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-06 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CoreWeave, Inc. [ CRWV ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Supernova Management LLC<br><sub>(Last) (First) (Middle)</sub><br>1603 ORRINGTON AVENUE<br>13TH FLOOR<br><sub>(Street)</sub><br>EVANSTON, IL 60201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-06 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CoreWeave, Inc. [ CRWV ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Snyderman David J.<br><sub>(Last) (First) (Middle)</sub><br>1603 ORRINGTON AVENUE<br>13TH FLOOR<br><sub>(Street)</sub><br>EVANSTON, IL 60201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-06 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CoreWeave, Inc. [ CRWV ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2026-05-06 |  | S |  | 30973 | D | 134.51<sup>(1)</sup> | 4374260 | I | Footnotes<sup>(7)(8)(9)(10)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 3936 | D | 135.78<sup>(2)</sup> | 4370324 | I | Footnotes<sup>(7)(8)(9)(10)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 87537 | D | 136.85<sup>(3)</sup> | 4282787 | I | Footnotes<sup>(7)(8)(9)(10)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 54883 | D | 137.89<sup>(5)</sup> | 4227904 | I | Footnotes<sup>(7)(8)(9)(10)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 161 | D | 138.63<sup>(6)</sup> | 4227743 | I | Footnotes<sup>(7)(8)(9)(10)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 98279 | D | 134.51<sup>(1)</sup> | 18583060 | I | Footnotes<sup>(7)(8)(9)(11)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 12482 | D | 135.78<sup>(2)</sup> | 18570578 | I | Footnotes<sup>(7)(8)(9)(11)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 277563 | D | 136.85<sup>(3)</sup> | 18293015 | I | Footnotes<sup>(7)(8)(9)(11)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 174066 | D | 137.89<sup>(5)</sup> | 18118949 | I | Footnotes<sup>(7)(8)(9)(11)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 497 | D | 138.63<sup>(6)</sup> | 18118452 | I | Footnotes<sup>(7)(8)(9)(11)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 12880 | D | 134.51<sup>(1)</sup> | 1100379 | I | Footnotes<sup>(7)(8)(9)(12)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 1636 | D | 135.78<sup>(2)</sup> | 1098743 | I | Footnotes<sup>(7)(8)(9)(12)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 36391 | D | 136.85<sup>(3)</sup> | 1062352 | I | Footnotes<sup>(7)(8)(9)(12)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 13435 | D | 137.86<sup>(4)</sup> | 1048917 | I | Footnotes<sup>(7)(8)(9)(12)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 1325 | D | 134.51<sup>(1)</sup> | 251842 | I | Footnotes<sup>(7)(8)(9)(13)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 169 | D | 135.78<sup>(2)</sup> | 251673 | I | Footnotes<sup>(7)(8)(9)(13)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 3763 | D | 136.85<sup>(3)</sup> | 247910 | I | Footnotes<sup>(7)(8)(9)(13)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 2358 | D | 137.89<sup>(5)</sup> | 245552 | I | Footnotes<sup>(7)(8)(9)(13)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 7 | D | 138.63<sup>(6)</sup> | 245545 | I | Footnotes<sup>(7)(8)(9)(13)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 28710 | D | 134.51<sup>(1)</sup> | 3973492 | I | Footnotes<sup>(7)(8)(9)(14)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 3649 | D | 135.78<sup>(2)</sup> | 3969843 | I | Footnotes<sup>(7)(8)(9)(14)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 81124 | D | 136.85<sup>(3)</sup> | 3888719 | I | Footnotes<sup>(7)(8)(9)(14)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 50861 | D | 137.89<sup>(5)</sup> | 3837858 | I | Footnotes<sup>(7)(8)(9)(14)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 146 | D | 138.63<sup>(6)</sup> | 3837712 | I | Footnotes<sup>(7)(8)(9)(14)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 39413 | D | 134.51<sup>(1)</sup> | 4905610 | I | Footnotes<sup>(7)(8)(9)(15)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 5009 | D | 135.78<sup>(2)</sup> | 4900601 | I | Footnotes<sup>(7)(8)(9)(15)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 111373 | D | 136.85<sup>(3)</sup> | 4789228 | I | Footnotes<sup>(7)(8)(9)(15)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 69830 | D | 137.89<sup>(5)</sup> | 4719398 | I | Footnotes<sup>(7)(8)(9)(15)</sup> |
| Class A Common Stock | 2026-05-06 |  | S |  | 200 | D | 138.63<sup>(6)</sup> | 4719198 | I | Footnotes<sup>(7)(8)(9)(15)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $134.38 to $135.30, 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, and 6.

(2) The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $135.50 to $136.00, inclusive.

(3) The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $136.50 to $137.43, inclusive.

(4) The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.50 to $138.05, inclusive.

(5) The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $137.50 to $138.10, inclusive.

(6) The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $138.50 to $138.68, inclusive.

(7) 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, and Magnetar Constellation Master Fund, Ltd and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").

(8) 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.

(9) 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.

(10) These securities are held directly by CW Opportunity 2 LP.

(11) These securities are held directly by CW Opportunity LLC.

(12) These securities are held directly by Magnetar Alpha Star Fund LLC.

(13) These securities are held directly by Magnetar Capital Master Fund, Ltd.

(14) These securities are held directly by Magnetar Constellation Master Fund, Ltd.

(15) These securities are held directly by Magnetar Lake Credit Fund LLC.

**Signature:** /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  
**Date:** 2026-05-08

**Signature:** /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  
**Date:** 2026-05-08

**Signature:** /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman, as Administrative Manager of Supernova Management LLC  
**Date:** 2026-05-08

**Signature:** /s/ Hayley A. Stein, Attorney-in-Fact for David J. Snyderman  
**Date:** 2026-05-08

### Remarks:

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.**