James B. Tananbaum

Director, 10% owner, Alumis Inc.

Bought, 12 months

$10.1M

Sold, 12 months

$0.0M

Companies

Latest trade

Jan 8, 2026

Companies

Alumis Inc.Director, 10% owner +$10.1M

Trades

ALMS Bought 411,764 shares at $17.00 $7.0M Jan 8

ALMS Bought 190,500 shares at $6.56 $1.2M Nov 19

ALMS Bought 117,374 shares at $6.19 $0.7M Nov 18

ALMS Bought 200,000 shares at $5.59 $1.1M Nov 17

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.