Tananbaum James B. bought ALMS

April 1, 2026 · Form 4 insider transaction

Tananbaum James B. bought 1,123,337 shares of Alumis Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as j and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
1,123,337
Price
$0.00
Total value
N/A
RoleDirector, 10% owner
SecurityCommon Stock
Transaction codeJ: J
Transaction dateApril 1, 2026
Filing dateApril 3, 2026
Shares owned after1,123,337
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

Represents shares received by Labs pursuant to pro rata distributions by Labs Affiliates, for no consideration, to its members in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Exchange Act.; The shares are held of record by Labs. Tananbaum, a manager of Labs, may be deemed to share voting and dispositive power over such shares. Tananbaum disclaims the existence of a "group", as defined in Rule 13d-5 of the Exchange Act, and disclaims beneficial ownership of the shares held by Labs, except to the extent of his pecuniary interest in such securities.

View the original Form 4 on SEC EDGAR