Form 4: Magnetar-related insiders dispose of 204,416 CoreWeave shares
Rhea-AI Filing Summary
CoreWeave, Inc. (CRWV) reporting persons associated with Magnetar disclosed multiple sales of Class A common stock on 09/11/2025. The transactions consist of a series of dispositions totaling 204,416 shares sold at prices in the reported range of $117.25 to $118.05, with a weighted average price shown in one line as $117.98. The Form 4 lists these sales as indirect holdings by various Magnetar-related entities and individuals, and footnotes identify the specific fund or vehicle that holds each block of shares. After the transactions, the filing shows remaining indirect beneficial holdings for the listed entities as reported on the form.
Positive
- None.
Negative
- Magnetar-affiliated holders sold a total of 204,416 shares on 09/11/2025 at prices between $117.25 and $118.05, reducing their reported indirect holdings.
Insights
TL;DR Significant block sales by Magnetar-affiliated holders on 09/11/2025 totaling 204,416 shares at ~ $117–$118.
The Form 4 documents coordinated dispositions by a group of Magnetar-related entities and an affiliated individual, all reporting indirect beneficial ownership. The filing is explicit that shares were sold across multiple transactions at prices between $117.25 and $118.05, and it quantifies the total number of shares sold as reported on each line. Such sales reduce the reported indirect stake across several funds and vehicles; the form does not provide any explanation for the sales beyond standard footnote disclaimers. This is a material insider sale disclosure that investors and compliance teams will note for ownership and disclosure tracking.
TL;DR Multiple related reporting persons disclosed indirect sales; ownership structure and disclaimers are clearly documented.
The filing thoroughly describes the ownership chain: Magnetar Financial LLC as adviser to multiple funds, Magnetar Capital Partners LP as the parent, Supernova Management LLC as general partner, and David J. Snyderman as manager. Footnotes explicitly allocate which fund holds each block of shares and include the standard disclaimer of beneficial ownership except for pecuniary interest. From a governance and disclosure standpoint, the Form 4 provides the required lineage and transaction detail; it contains no additional commentary or plans explaining the dispositions.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Class A Common Stock | 13,544 | $117.98 | $1.60M |
| Sale | Class A Common Stock | 56,087 | $118.05 | $6.62M |
| Sale | Class A Common Stock | 7,354 | $118.05 | $868K |
| Sale | Class A Common Stock | 761 | $118.05 | $90K |
| Sale | Class A Common Stock | 16,392 | $118.05 | $1.94M |
| Sale | Class A Common Stock | 22,504 | $118.05 | $2.66M |
| Sale | Class A Common Stock | 28,208 | $118.05 | $3.33M |
| Sale | Class A Common Stock | 6,374 | $118.05 | $752K |
| Sale | Class A Common Stock | 23,995 | $118.05 | $2.83M |
| Sale | Class A Common Stock | 14,788 | $118.05 | $1.75M |
| Sale | Class A Common Stock | 11,913 | $118.05 | $1.41M |
| Sale | Class A Common Stock | 2,496 | $118.05 | $295K |
| holding | Class A Common Stock | -- | -- | -- |
Footnotes (1)
- The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $117.25 to $118.05, 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. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, 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, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund 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 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 Magnetar Alpha Star Fund LLC. These securities are held directly by Magnetar Capital Master Fund, Ltd. These securities are held directly by Magnetar Constellation Master Fund, Ltd. These securities are held directly by Magnetar Lake Credit Fund LLC. These securities are held directly by Magnetar Longhorn Fund LP. These securities are held directly by Magnetar SC Fund Ltd. 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. These securities are held directly by Longhorn Special Opportunities Fund LP.
