ALUMIS INC. 4

Roy C. Hardiman, Chief Business & Strategy Officer of Alumis Inc. (ALMS), sold 2,692 shares of common stock in a mandatory sell-to-cover transaction for tax withholding at about $26.37 per share.

On August 3, 2026, Alumis Inc. Chief Business & Strategy Officer Roy C. Hardiman reported the automatic sale of 2,692 shares of Alumis Inc. common stock at a weighted average price of approximately $26.37 per share, totaling about $71,000 in value. The transaction was a sell-to-cover sale mandated by the issuer’s policy to satisfy tax obligations arising from the vesting and settlement of restricted stock units granted on July 29, 2025, and is explicitly described as non-discretionary. Following this sale, Hardiman directly owned 207,746 shares of Alumis common stock, while an additional 6,417 shares were held indirectly by his daughter residing in his primary residence; these indirect holdings include shares acquired via the issuer’s 2024 Employee Stock Purchase Plan.

Filing Facts

CIK

1847367

Ticker

ALMS

Form

4

Source Type

fda

Accession

0001506218-26-000005

Alert Tier

5