Form 4 | CoreWeave, Inc. director Magnetar Financial LLC sold economic exposure to ~644,000 shares via call options (S).

Filings Track05-09

The latest Form 4 filing shows that CoreWeave, Inc. (CRWV) director Magnetar Financial LLC and its affiliated Magnetar funds executed a series of call option transactions on May 6, 2026. They wrote (sold) multiple tranches of call options with strike prices of $190 and $195, all expiring on December 18, 2026, described as “Call option (obligation to sell)” on Class A Common Stock, with an aggregate notional exposure of roughly 644k shares. All trades are coded “S”, indicating dispositions of derivative securities. While each Magnetar entity disclaims beneficial ownership beyond its pecuniary interest, in aggregate these trades suggest a reduction or hedge of long exposure in CRWV via derivatives. Such sizable covered-call or overwriting activity can signal a more cautious view on near- to medium-term upside and may be interpreted by the market as mildly bearish or at least neutral positioning, warranting close monitoring of subsequent ownership and derivatives disclosures.

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