CRWV insider filing: Magnetar sales on 09/30/2025 and collars
Rhea-AI Filing Summary
Magnetar Financial LLC and affiliated entities disclosed multiple sales of Class A common stock of CoreWeave, Inc. (CRWV) on 09/30/2025, with weighted‑average sale prices reported in ranges from $136.94 to $142.25. After the reported transactions the group reports beneficial ownership of 9,202,863 shares on an indirect basis. The filing also shows a series of paired call and put options (a collar arrangement) written and purchased with strikes of $200 (call) and $115 (put), exercisable and expiring on 06/18/2026, in multiple lots ranging from 1,871 to 138,001 shares. The filing identifies reporting parties as Magnetar Financial, Magnetar Capital Partners LP, Supernova Management LLC and David J. Snyderman, who disclaim beneficial ownership except for pecuniary interest.
Positive
- Full SEC disclosure of sales prices ranges and footnote commitment to provide transaction‑level details upon request
- Hedged exposure disclosed via collar arrangement with both calls and puts documented and expiration set on 06/18/2026
Negative
- Multiple share disposals reported on 09/30/2025 across several lots at weighted averages between $136.94 and $142.25
- Significant indirect ownership remains concentrated in one group (9,202,863 shares), which could affect perception of insider selling
Insights
TL;DR: Proper Section 16 disclosure of multiple stock sales and a collar arrangement on 09/30/2025.
The Form 4 reports multiple sales of Class A common stock at weighted average prices with disclosed ranges and includes detailed footnotes committing to provide transaction‑level breakdowns on request. This satisfies Section 16 transparency requirements by identifying the reporting entities and the indirect nature of the holdings.
By explicitly stating the collar structure and listing the paired call and put positions with identical expiration on 06/18/2026, the filing makes the economic hedging arrangement clear to regulators and investors.
TL;DR: Magnetar’s group reduced position via multiple sales and maintains sizable indirect ownership plus hedges through collars.
The group reports post‑transaction indirect ownership of 9,202,863 shares and executed multiple sales on 09/30/2025 at weighted average prices within $136.94–$142.25. Concurrently, it holds paired call and put options covering lots from 1,871 to 138,001 shares, all expiring 06/18/2026, indicating a hedged economic exposure rather than outright liquidation.
This combination of sales plus collars is a concrete, monitorable change in the group’s public economic position over the near term.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Call option (obligation to sell) | 30,371 | $637,791.00 | $19.37B |
| Purchase | Put option (right to sell) | 30,371 | $698,533.00 | $21.22B |
| Sale | Call option (obligation to sell) | 138,001 | $2,898,021.00 | $399.93B |
| Purchase | Put option (right to sell) | 138,001 | $3,174,023.00 | $438.02B |
| Sale | Call option (obligation to sell) | 18,092 | $379,932.00 | $6.87B |
| Purchase | Put option (right to sell) | 18,092 | $416,116.00 | $7.53B |
| Sale | Call option (obligation to sell) | 1,871 | $39,291.00 | $73.51M |
| Purchase | Put option (right to sell) | 1,871 | $43,033.00 | $80.51M |
| Sale | Call option (obligation to sell) | 40,331 | $846,951.00 | $34.16B |
| Purchase | Put option (right to sell) | 40,331 | $927,613.00 | $37.41B |
| Sale | Call option (obligation to sell) | 55,370 | $1,162,770.00 | $64.38B |
| Purchase | Put option (right to sell) | 55,370 | $1,273,510.00 | $70.51B |
| Sale | Call option (obligation to sell) | 69,405 | $1,457,505.00 | $101.16B |
| Purchase | Put option (right to sell) | 69,405 | $1,596,315.00 | $110.79B |
| Sale | Call option (obligation to sell) | 15,682 | $329,322.00 | $5.16B |
| Purchase | Put option (right to sell) | 15,682 | $360,686.00 | $5.66B |
| Sale | Call option (obligation to sell) | 59,039 | $1,239,819.00 | $73.20B |
| Purchase | Put option (right to sell) | 59,039 | $1,357,897.00 | $80.17B |
| Sale | Class A Common Stock | 19,249 | $137.10 | $2.64M |
| Sale | Class A Common Stock | 1,466 | $138.50 | $203K |
| Sale | Class A Common Stock | 45,477 | $139.95 | $6.36M |
| Sale | Class A Common Stock | 13,192 | $141.29 | $1.86M |
| Sale | Class A Common Stock | 3,038 | $142.01 | $431K |
| Sale | Class A Common Stock | 4,034 | $137.10 | $553K |
| Sale | Class A Common Stock | 307 | $138.50 | $43K |
| Sale | Class A Common Stock | 9,528 | $139.95 | $1.33M |
| Sale | Class A Common Stock | 2,763 | $141.29 | $390K |
| Sale | Class A Common Stock | 637 | $142.01 | $90K |
| 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 $136.94 to $137.75, 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 and 4. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $139.85 to $140.75, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $141.00 to $141.84, inclusive. The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $142.00 to $142.25, inclusive. 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, Purpose Alternative Credit Fund - F LLC and Purpose Alternative Credit Fund - T LLC, 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 Purpose Alternative Credit Fund - F LLC. These securities are held directly by Purpose Alternative Credit Fund - T LLC. The entity holding the underlying shares of Class A common stock (the "Common Stock") of the Issuer entered into a collar arrangement pursuant to which such entity wrote a covered call option and purchased a put option. Only one of the options can be in-the-money on the expiration date, at which time the in-the-money option will be exercised and settled in shares and the other option will expire. If neither option is in-the-money on the expiration date, both options will expire.
