Jack Higgins - 11 Sep 2026 Form 4 Insider Report for Immunome Inc. (IMNM)

Reporting relationship: Chief Scientific Officer
Issuer ticker: IMNM
Reported as of: 11 Sep 2026
Net transaction value: -$334,224
SEC form: 4
Accepted by SEC: 15 Sep 2026, 16:30:38 UTC
Prior SEC filing: 27 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Sandra Stoneman, Attorney-in-Fact

Key filing fact

Jack Higgins filed Form 4 for Immunome Inc. (IMNM) on 15 Sep 2026.

Key facts

This page summarizes Jack Higgins's Form 4 filing for Immunome Inc. (IMNM).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Sep 2026, 16:30.

Change

Previous filing in this sequence was filed on 27 Jul 2026.
Current net transaction value: -$334,224.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001993684 Primary reporting owner

Higgins Jack

Relationship: Chief Scientific Officer
Address: C/O IMMUNOME, INC., 18702 N. CREEK PARKWAY, SUITE 100, BOTHELL
Signature: /s/ Sandra Stoneman, Attorney-in-Fact
Signature date: 15 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IMNM transaction

Common Stock

Options Exercise

Transaction value
Shares: +18,000
Change %: +30%
Price: $1.35^*
Shares after: 78,250
Date: 11 Sep 2026
Ownership: Direct

IMNM transaction

Common Stock

Sale

Transaction value: $334,224
Shares: -13,200
Change %: -17%
Price: $25.32
Shares after: 65,050
Date: 11 Sep 2026
Ownership: Direct
Footnotes: F1

IMNM transaction

Common Stock

Gift

Transaction value
Shares: -8,800
Change %: -14%
Price: $0.000000^*
Shares after: 56,250
Date: 11 Sep 2026
Ownership: Direct

IMNM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,000
Date: 11 Sep 2026
Ownership: As Custodian for Child 1
Footnotes: F2

IMNM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,000
Date: 11 Sep 2026
Ownership: As Custodian for Child 2
Footnotes: F2

IMNM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,000
Date: 11 Sep 2026
Ownership: As Custodian for Child 3
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IMNM transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value
Shares: +18,000
Change %: +16%
Price: $0.000000^*
Shares after: 133,840
Date: 11 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,000
Exercise price: $1.35
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 19, 2025.

Footnote F2

The Reporting Person serves as a custodian of a custodial account for his child pursuant to the Uniform Transfer to Minors Act. The Reporting Person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose.

Footnote F3

25% of the shares subject to the options vested on May 1, 2023, and one-thirty-sixth (1/36th) of the remaining shares subject to the options vests every month thereafter, subject to the Reporting Person's continuous service through each such vesting date.