STOCK TITAN

Alumis Inc. (ALMS) officer sells 2,692 shares in tax sell-to-cover trade

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Form Type
4

Rhea-AI Filing Summary

Alumis Inc. executive Roy C. Hardiman, Chief Business & Strategy Officer, reported selling 2,692 shares of Common Stock on August 3, 2026 at a weighted average price of $26.37 per share. The sale was effected under the company’s policy requiring sell-to-cover transactions to satisfy tax obligations from the vesting and settlement of restricted stock units granted on July 29, 2025 and, according to the disclosure, does not represent a discretionary sale. After this transaction, he holds 207,746 shares directly, including 1,037 shares acquired on November 20, 2025 and 3,000 shares acquired on May 20, 2026 under the 2024 Employee Stock Purchase Plan, and 6,417 shares are held indirectly by his daughter residing in his primary residence.

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Insider Hardiman Roy C.
Role Chief Business & Strategy Ofcr
Sold 2,692 shs ($71K)
Type Security Shares Price Value
Sale Common Stock F1, F2, F3 2,692 $26.37 $71K
holding Common Stock F4 -- -- --
Holdings After Transaction: Common Stock — 207,746 shares (Direct); Common Stock — 6,417 shares (Indirect, By Daughter)
Footnotes (4)
  1. F1. The sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy tax obligations of the Reporting Person incurred with the vesting and settlement of restricted stock units granted on July 29, 2025, and does not represent a discretionary sale by the Reporting Person.
  2. F2. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.62 to $26.42 per share. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.
  3. F3. Includes 1,037 shares acquired on November 20, 2025 and 3,000 shares acquired on May 20, 2026 under the Issuer's 2024 Employee Stock Purchase Plan.
  4. F4. Shares are held directly by the daughter of Reporting Person residing in his primary residence.
Shares sold 2,692 shares Common Stock sold on August 3, 2026 in a tax-related transaction
Weighted average sale price $26.37 per share Average price for the 2,692 shares sold on August 3, 2026
Sale price range $25.62–$26.42 per share Range of prices for multiple sale transactions on August 3, 2026
Direct holdings after sale 207,746 shares Common Stock directly owned by Roy C. Hardiman after the reported sale
Indirect holdings by daughter 6,417 shares Common Stock held indirectly through his daughter residing in his primary residence
ESPP acquisition 1 1,037 shares Shares acquired on November 20, 2025 under the 2024 Employee Stock Purchase Plan
ESPP acquisition 2 3,000 shares Shares acquired on May 20, 2026 under the 2024 Employee Stock Purchase Plan
sell-to-cover financial
"policy requiring sell-to-cover to satisfy tax obligations of the Reporting Person"
Sell-to-cover is when part of newly issued or exercised company stock is immediately sold to pay required taxes and fees, so the recipient keeps the remaining shares. For investors this matters because it reduces the number of shares insiders or employees actually hold after a grant, can create small, routine share sales that aren’t signal of cashing out, and slightly increases share supply on the market—like selling a portion of a paycheck to cover the tax bill.
weighted average sale price financial
"The reported price in Column 4 is a weighted average sale price."
restricted stock units financial
"tax obligations ... incurred with the vesting and settlement of restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Employee Stock Purchase Plan financial
"acquired ... under the Issuer's 2024 Employee Stock Purchase Plan."
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What transaction did ALMS insider Roy C. Hardiman report on this Form 4?

Roy C. Hardiman reported selling 2,692 shares of Alumis Inc. Common Stock on August 3, 2026 at a weighted average price of $26.37 per share. The shares were sold in multiple transactions within a price range and were connected to vested restricted stock units.

Was Roy C. Hardiman’s ALMS stock sale a discretionary transaction?

The reported sale was not a discretionary transaction. It was executed under Alumis Inc.’s policy requiring sell-to-cover trades to satisfy tax obligations arising from the vesting and settlement of restricted stock units granted on July 29, 2025, as specifically stated in the disclosure.

How many ALUMIS INC. (ALMS) shares does Roy C. Hardiman hold after the reported sale?

After the sale, Roy C. Hardiman holds 207,746 shares of Alumis Inc. Common Stock directly and 6,417 shares indirectly through his daughter. The direct holdings include shares acquired through the 2024 Employee Stock Purchase Plan on November 20, 2025 and May 20, 2026.

At what prices were the ALMS shares sold by Roy C. Hardiman on August 3, 2026?

The weighted average sale price was $26.37 per share. According to the filing, the shares were sold in multiple transactions at prices ranging from $25.62 to $26.42 per share, and detailed breakdowns are available upon request from the issuer or the SEC staff.

What ESPP acquisitions are included in Roy C. Hardiman’s ALMS direct holdings?

His post-transaction direct holdings of 207,746 shares include 1,037 shares acquired on November 20, 2025 and 3,000 shares acquired on May 20, 2026. Both acquisitions were made under Alumis Inc.’s 2024 Employee Stock Purchase Plan, as noted in the footnotes.
SEC Form 4
FORM 4UNITED 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
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
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*
Hardiman Roy C.

(Last)(First)(Middle)
C/O ALUMIS INC.
280 EAST GRAND AVENUE

(Street)
SOUTH SAN FRANCISCO CALIFORNIA 94080

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
ALUMIS INC. [ ALMS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Business & Strategy Ofcr
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/03/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock08/03/2026S2,692(1)D$26.37(2)207,746(3)D
Common Stock6,417IBy Daughter(4)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The sale reported on this Form 4 was effected pursuant to the Issuer's policy requiring sell-to-cover to satisfy tax obligations of the Reporting Person incurred with the vesting and settlement of restricted stock units granted on July 29, 2025, and does not represent a discretionary sale by the Reporting Person.
2. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.62 to $26.42 per share. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote.
3. Includes 1,037 shares acquired on November 20, 2025 and 3,000 shares acquired on May 20, 2026 under the Issuer's 2024 Employee Stock Purchase Plan.
4. Shares are held directly by the daughter of Reporting Person residing in his primary residence.
/s/ Sanam Pangali, Attorney-in-Fact08/05/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)