CoreWeave (CRWV) Magnetar Financial Sells 307,131 Shares

What Happened
Magnetar Financial LLC (reported as a 10% owner/adviser) sold a total of 307,131 shares of CoreWeave, Inc. (CRWV) in multiple open‑market transactions on 2026-08-14. The sales occurred at prices clustered around $108.48, $109.99 and $110.00, generating approximately $33.4 million in proceeds. These were dispositions (code S) — not purchases or option exercises.

Key Details

• Transaction date: 2026-08-14 (all reported transactions)
• Total shares sold: 307,131
• Price details: reported weighted-average price entries at $108.48, $109.99 and $110.00; footnote F1 states the $108.48 figure reflects multiple trades at prices ranging $108.00–$108.72.
• Total proceeds: ~$33,401,612
• Shares owned after the transaction: not specified in the summary provided (see the full Form 4 for "Ownership after transaction").
• Filing timeliness: Form filed the same day (timely).
• Notable footnotes: F2–F3 explain Magnetar Financial acts as adviser/manager to multiple Magnetar funds; F10–F17 list the specific Magnetar funds that directly hold the securities; F4 states the entities disclaim beneficial ownership except to the extent of pecuniary interest. F1 explains the weighted‑average pricing disclosure.

Context
These sales were executed by an institutional 10% owner/adviser across multiple managed funds and accounts (per the footnotes), not necessarily by an individual executive or director. Institutional sales can reflect portfolio rebalancing or liquidity needs and do not alone indicate company fundamentals—purchases are generally a clearer signal of insider confidence. For full holdings after the trades and exact per‑trade prices, consult the original Form 4 filing (accession 0001104659-26-097435).