Alumis (ALMS) CFO John R. Schroer Sells 3,282 Shares

What Happened John R. Schroer, Chief Financial Officer of Alumis, reported the disposition of 3,282 shares on August 3, 2026. The shares were sold in open-market transactions at a weighted average price of $26.37 per share, generating proceeds of approximately $86,546. This was a sale (not a purchase) and was effected to satisfy tax withholding obligations tied to vested restricted stock units.

Key Details

• Transaction date: 2026-08-03; Form 4 filed: 2026-08-05 (timely filing).
• Transaction type: Sale (Code S); total shares sold: 3,282; weighted average price: $26.37; total proceeds ≈ $86,546.
• Price range: shares sold across multiple trades at prices from $25.56 to $26.42; the reported $26.37 is a weighted average.
• Shares owned after transaction: not disclosed in this Form 4.
• Footnotes: (F1) Sale was sell-to-cover to satisfy tax obligations from RSUs granted July 29, 2025 and not a discretionary sale by the reporting person. (F2) Reporting person will provide breakdown of shares sold at each price upon request.

Context Sell-to-cover transactions are common when restricted stock units vest: the company or insider sells a portion of the vested shares solely to cover tax withholding and related obligations. Such transactions generally reflect tax mechanics rather than a managerial decision to reduce overall exposure. This filing does not indicate discretionary selling by the CFO.