Alumis ALMS Form 4 shows director’s funds buying common stock

Rhea-AI Filing Summary

Alumis Inc. (ALMS) director Srinivas Akkaraju reported open-market purchases of Alumis common stock made through affiliated investment funds.

On 11/17/2025, Samsara Opportunity Fund, L.P. bought 914 shares at a weighted average price of $5.51. On 11/18/2025, it purchased 102,652 shares at a weighted average of $6.05, and on 11/19/2025 it bought 137,772 shares at a weighted average of $6.56. After these transactions, the reporting person is deemed to beneficially own 517,517 shares held by Samsara Opportunity Fund, L.P. and 4,491,731 shares held by Samsara BioCapital, L.P., with beneficial ownership disclaimed except for any pecuniary interest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

AKKARAJU SRINIVAS

(Last) (First) (Middle)

C/O ALUMIS INC.

280 EAST GRAND AVENUE

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALUMIS INC. [ ALMS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/17/2025		P		914	A	$5.51(1)	277,093	I	By Samsara Opportunity Fund, L.P.(2)
Common Stock	11/18/2025		P		102,652	A	$6.05(3)	379,745	I	By Samsara Opportunity Fund, L.P.(2)
Common Stock	11/19/2025		P		137,772	A	$6.56(4)	517,517	I	By Samsara Opportunity Fund, L.P.(2)
Common Stock								4,491,731	I	By Samsara BioCapital, L.P.(5)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.51 to $5.52 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

2. Shares are directly held by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund"). Samsara Opportunity Fund GP, LLC 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.

3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.72 to $6.44 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.23 to $6.81 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

5. Shares are directly held by Samsara BioCapital LP. ("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.

	/s/ Srinivas Akkaraju	11/19/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What does the Alumis (ALMS) Form 4 filing report?

The Form 4 reports that director Srinivas Akkaraju disclosed recent open-market purchases of Alumis Inc. common stock through affiliated investment funds.

How many Alumis (ALMS) shares were bought on each reported date?

On 11/17/2025, 914 shares were purchased; on 11/18/2025, 102,652 shares; and on 11/19/2025, 137,772 shares, all reported as open-market purchases.

What prices were paid for the Alumis (ALMS) shares in the Form 4?

The filing lists weighted average prices: $5.51 on 11/17/2025, $6.05 on 11/18/2025, and $6.56 on 11/19/2025, with actual trades occurring within stated price ranges.

How many Alumis (ALMS) shares does the reporting person beneficially own after these trades?

After the reported transactions, the reporting person is deemed to beneficially own 517,517 shares held by Samsara Opportunity Fund, L.P. and 4,491,731 shares held by Samsara BioCapital, L.P.

Who actually holds the Alumis (ALMS) shares mentioned in the Form 4?

The shares are directly held by Samsara Opportunity Fund, L.P. and Samsara BioCapital, L.P.. The reporting person has voting and investment power but disclaims beneficial ownership except for any pecuniary interest.

What does it mean that the prices are reported as weighted averages in the Alumis Form 4?

The filing states that each price is a weighted average because shares were bought in multiple trades across a price range. Detailed trade-by-trade prices are available upon request from the issuer, any security holder, or the SEC staff.