Transaction #8839 · Form 4 · 0001253170-25-000008

ALUMIS INC. · Purchase · Common Stock

ALUMIS INC. · Transacted November 13, 2025 · Filed November 17, 2025

Original SEC filing ↗

What does this filing report?

An SEC Form 4 filing for ALUMIS INC. records a purchase involving Common Stock on November 13, 2025. The reported quantity was 276,179. The filing date is November 17, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Transaction details

Company CIK
0001847367
Security type
Non-derivative
Acquisition type
Purchase · Code P
Quantity acquired
276,179
Reported price
5.25
Reference value
1,449,939.75
Currency
Currency not specified
Ownership
Indirect
Holdings after transaction
276,179
Ownership description
By Samsara Opportunity Fund, L.P.
SEC acceptance time
Nov 17, 2025, 4:59 PM EST
10b5-1 indication
Not indicated

Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.

Reporting owners

These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.

Company listings

ALMS · Nasdaq · linked security

The linked listing is identified separately from other current company listings.

Filing footnotes & remarks

F1
Represents the purchase of shares from Samsara BioCapital, L.P. ("Samsara LP") in a privately negotiated transaction.
F2
Securities are directly held by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund"). Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the shares held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the shares held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein.
F3
The shares held by Samsara LP reflects the disposition of 276,179 shares, to Samsara Opportunity Fund as described in footnote (1), in which the Reporting Person had no pecuniary interest. The transfer of such shares by Samsara LP did not involve a change in the Reporting Person's beneficial ownership of such shares and, accordingly, was exempt from reporting under Section 16.
F4
Shares held by Samsara LP. The Reporting Person is a managing member of Samsara BioCapital GP, LLC, the general partner of Samsara LP. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.

This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.