Magnetar’s CoreWeave (CRWV) collar options expire unexercised
Rhea-AI Filing Summary
CoreWeave, Inc. reported that a collar hedge held by Magnetar-affiliated funds on its Class A Common Stock expired without being exercised. On March 20, 2026, paired call and put options entered on August 15, 2025 expired for no value because the share price finished between the call and put strike levels.
The positions were short derivative contracts referencing Class A Common Stock and are now reported with zero derivatives remaining after expiration. The options were held indirectly by entities including Magnetar Lake Credit Fund LLC, Magnetar Alpha Star Fund LLC, Magnetar Capital Master Fund, Ltd. and CW Opportunity LLC, with Magnetar parties disclaiming beneficial ownership except for any pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
14 transactions reported
Mixed
14 txns
Insider
Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Role
10% Owner | 10% Owner | 10% Owner | 10% Owner
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Derivative Expiration | Call option (obligation to sell) | 235,802 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 235,802 | $0.00 | $0.00 |
| Derivative Expiration | Call option (obligation to sell) | 77,050 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 77,050 | $0.00 | $0.00 |
| Derivative Expiration | Call option (obligation to sell) | 77,050 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 77,050 | $0.00 | $0.00 |
| Derivative Expiration | Call option (obligation to sell) | 7,967 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 7,967 | $0.00 | $0.00 |
| Derivative Expiration | Call option (obligation to sell) | 7,966 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 7,966 | $0.00 | $0.00 |
| Derivative Expiration | Call option (obligation to sell) | 587,701 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 587,701 | $0.00 | $0.00 |
| Derivative Expiration | Call option (obligation to sell) | 587,701 | $0.00 | $0.00 |
| Derivative Expiration | Put option (right to sell) | 587,701 | $0.00 | $0.00 |
Holdings After Transaction:
Call option (obligation to sell) — 0 shares (Indirect, Footnotes);
Put option (right to sell) — 0 shares (Indirect, Footnotes)
Footnotes (9)
- F1. In connection with the expiration of a call option and a put option entered into on August 15, 2025, as part of a collar arrangement, both options expired unexercised and for no value on March 20, 2026, as the closing price of the Class A Common Stock on such date was between the call strike price and the put strike price.
- F2. Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of Magnetar Capital Master Fund, Ltd and CW Opportunity LLC and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
- F3. 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.
- F4. 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.
- F5. These securities are held directly by Magnetar Lake Credit Fund LLC.
- F6. These securities are held directly by Magnetar Alpha Star Fund LLC.
- F7. These securities are held directly by Magnetar Capital Master Fund, Ltd.
- F8. These securities are held directly by CW Opportunity LLC.
- F9. Expiration of a long derivative security for no value, transaction code "K" only.
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What did the CoreWeave (CRWV) Form 4 filed by Magnetar report?
The Form 4 reports the expiration of a collar hedge on CoreWeave Class A Common Stock. Short call and put options entered on August 15, 2025 expired unexercised and for no value on March 20, 2026, leaving no remaining derivative position from this collar.
Why did the CoreWeave collar options expire for no value on March 20, 2026?
According to the disclosure, both the call and put options in the collar expired unexercised and for no value because, on March 20, 2026, the closing price of CoreWeave Class A Common Stock was between the call strike price and the put strike price, leaving neither option in-the-money.
Does the Form 4 show any remaining CoreWeave derivative position for Magnetar after expiration?
The transactions are reported with zero derivatives remaining following expiration. Each short call and put option position on CoreWeave Class A Common Stock is listed with a total shares following transaction of 0.0000, indicating the collar structure no longer exists after March 20, 2026.