Insider Transaction Report for Lynn A. Tetrault

Lynn A. Tetrault, a director at ALUMIS INC. (ALMS), reported a transaction on June 30, 2026. The transaction involved the acquisition of 3,553 shares of common stock with a transaction price of $0.00. Additionally, Tetrault acquired 15,528 stock options, also with a transaction price of $0.00. These options are exercisable into common stock. The footnote indicates that the shares underlying the restricted stock units (RSUs) and stock options vest on the first anniversary of the grant date or the Issuer's 2027 annual stockholder meeting, whichever comes first, contingent upon continuous service and vesting fully upon a Change in Control. The conversion or exercise price for the stock options is $28.14.