Foresite Capital Fund VI LP - 08 Jan 2026 SCHEDULE 13D/A Report for Alumis Inc. Common Stock (ALMS)

Reporting Manager
James B. Tananbaum
Symbol
ALMS
Shares outstanding
114,821,305 shares
Disclosed Ownership
16,189,804 shares
Ownership
14%
Form type
SCHEDULE 13D/A
Filing time
12 Jan 2026, 21:59:23 UTC
Date of event
08 Jan 2026
Previous filing
10 Jun 2025

Reporting Managers (12)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Foresite Capital Fund VI LP 3.7% 4,247,670 4,247,670 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001932516
Foresite Capital Management VI, LLC 3.7% 4,247,670 4,247,670 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0002013341
Foresite Capital Fund V, L.P. 5% 5,702,536 5,702,536 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001792204
Labs Co-Invest V, LLC 0.2% 194,459 194,459 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001810063
Foresite Capital Management V, LLC 5.1% 5,896,995 5,896,995 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0001792206
Foresite Capital Opportunity Fund V, L.P. 2.5% 2,908,332 2,908,332 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001792205
Foresite Capital Opportunity Management V, LLC 2.5% 2,908,332 2,908,332 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0001792207
Foresite Labs Fund I, L.P. 1.7% 1,960,337 1,960,337 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the General Partner 0001848472
Foresite Labs Management I, LLC 1.7% 1,960,337 1,960,337 0 /s/ James B. Tananbaum James Tananbaum, Managing Member 0001848577
Foresite Labs Affiliates 2021, LLC 1% 1,176,470 1,176,470 0 /s/ James B. Tananbaum James Tananbaum, Managing Member of the Manager 0002028005
Foresite Labs, LLC 1% 1,176,470 1,176,470 0 /s/ James B. Tananbaum James Tananbaum, Manager 0002027905
James B. Tananbaum 14% 16,189,804 15,013,334 1,176,470 /s/ James B. Tananbaum James B. Tananbaum 0001581754