CoreWeave (CRWV) 10% Owner Magnetar Financial Sells Shares

What Happened
Magnetar Financial LLC, reported as a 10% owner (investment adviser to multiple Magnetar funds), sold a total of 2,147,871 shares of CoreWeave (CRWV) on August 12, 2026. The disposition consisted of multiple open‑market or private sales at reported weighted average prices of about $107.64 and $108.16, with reported price ranges between $107.00 and $108.64. Total proceeds reported across the transactions sum to approximately $231.6 million. These are sales (not purchases) by institutional funds, not an executive buying stock.

Key Details

• Transaction date: August 12, 2026; Form 4 filed August 14, 2026 (appears timely for a Form 4 filing).
• Shares sold: 2,147,871 shares; total proceeds ≈ $231,601,955.
• Reported prices: weighted averages shown at $107.64 and $108.16; footnotes state sales occurred in price ranges $107.00–$107.90 and $108.00–$108.64.
• Nature of sale: open market or private sale (reported as "S").
• Ownership after transaction: not specified in the provided excerpt.
• Notable footnotes: Magnetar Financial acts as adviser to multiple Magnetar funds (F3); the shares were held directly by various Magnetar funds (F6–F18); the reporting entities disclaim beneficial ownership except for pecuniary interest (F5). Footnotes F1 and F2 note the prices are weighted averages and that the filer can provide per‑trade price details on request.

Context
This filing reflects institutional sales by a 10% owner (Magnetar and affiliated funds). Institutional disposals can reflect portfolio rebalancing or liquidity needs and are generally less informative about management’s view of the company than insider purchases. The filing includes standard adviser/disclaimer footnotes; the SEC or issuer can request additional breakdowns of the specific prices for each trade if needed.