Mark Christopher Bradley - 29 Jul 2025 Form 4 Insider Report for ALUMIS INC. (ALMS)

Role
Chief Development Officer
Signature
/s/ Sanam Pangali, Attorney-in-Fact
Issuer symbol
ALMS
Transactions as of
29 Jul 2025
Net transactions value
$0
Form type
4
Filing time
31 Jul 2025, 21:05:07 UTC
Previous filing
20 Feb 2025
Next filing
28 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bradley Mark Christopher Chief Development Officer C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO /s/ Sanam Pangali, Attorney-in-Fact 31 Jul 2025 0002023657

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALMS Common Stock Award $0 +26,750 +122% $0.000000 48,728 29 Jul 2025 Direct F1
holding ALMS Common Stock 20,026 29 Jul 2025 By GRAT F2
holding ALMS Common Stock 20,026 29 Jul 2025 By GRAT F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ALMS Stock Option (Right to Buy) Award $0 +107,100 $0.000000 107,100 29 Jul 2025 Common Stock 107,100 $3.95 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of common stock issuable upon settlement of a restricted stock unit ("RSU") grant. 25% of the shares underlying this RSU vest on August 1, 2026, and the remaining shares vest in equal quarterly installments thereafter over the following 12 quarters, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2024 Equity Incentive Plan) to the Issuer on each such vesting date.
F2 Shares are owned directly by JB 2023 GRAT, for which Reporting Person serves as a trustee.
F3 Shares are owned directly by MB 2023 GRAT, for which Reporting Person serves as a trustee.
F4 25% of the shares underlying this option vest on July 29, 2026, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2024 Equity Incentive Plan) to the Issuer on each such vesting date.