STOCK TITAN

Immunome (IMNM) CMO sells 55K shares after exercising options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Immunome Inc. Chief Medical Officer Robert Lechleider exercised options and sold shares of common stock. He exercised 55,000 shares at $8.73 per share through an employee stock option, then sold 55,000 shares in open-market transactions at weighted average prices of $19.56 and $20.66.

The sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on March 26, 2026. After these transactions, he directly holds 15,805 shares of common stock and 345,000 employee stock options, which vest over time and expire on October 26, 2033.

Positive

  • None.

Negative

  • None.
Insider Lechleider Robert
Role Chief Medical Officer
Sold 55,000 shs ($1.09M)
Type Security Shares Price Value
Exercise Employee Stock Option (right to buy) 55,000 $0.00 --
Exercise Common Stock 55,000 $8.73 $480K
Sale Common Stock 40,580 $19.56 $794K
Sale Common Stock 14,420 $20.66 $298K
Holdings After Transaction: Employee Stock Option (right to buy) — 345,000 shares (Direct, null); Common Stock — 70,805 shares (Direct, null)
Footnotes (1)
  1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 26, 2026. The weighted average sale price for the transaction report was $19.56, and the range of prices were between $19.27 and $20.255, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided. The weighted average sale price for the transaction report was $20.66, and the range of prices were between $20.275 and $21.02, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided. 25% of the shares subject to the option vested on October 16, 2024, and the remaining shares will vest monthly thereafter over three years.
Shares sold 55,000 shares Open-market sales on June 25, 2026
Sale price tranche 1 $19.56 per share Weighted average price for 40,580 shares
Sale price tranche 2 $20.66 per share Weighted average price for 14,420 shares
Options exercised 55,000 options Employee stock option exercise on June 25, 2026
Option exercise price $8.73 per share Conversion or exercise price of employee stock option
Shares held after 15,805 shares Direct common stock holdings after transactions
Options held after 345,000 options Remaining employee stock options after exercise
Option expiration October 26, 2033 Expiration date of the option grant
Rule 10b5-1 trading plan financial
"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person..."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average sale price financial
"The weighted average sale price for the transaction report was $19.56, and the range of prices were between $19.27 and $20.255..."
Employee Stock Option (right to buy) financial
"Employee Stock Option (right to buy) listed as a derivative security with underlying common stock shares..."
exercise or conversion of derivative security financial
"Transaction code M is described as Exercise or conversion of derivative security in connection with the option exercise..."
vesting financial
"25% of the shares subject to the option vested on October 16, 2024, and the remaining shares will vest monthly thereafter..."
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
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Learn about SEC filing dates
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).
X
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*
Lechleider Robert

(Last)(First)(Middle)
C/O IMMUNOME, INC.
18702 N. CREEK PARKWAY, SUITE 100

(Street)
BOTHELL WASHINGTON 98011

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Immunome Inc. [ IMNM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Medical Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/25/2026
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 Stock06/25/2026M55,000A$8.7370,805D
Common Stock06/25/2026S(1)40,580D$19.56(2)30,225D
Common Stock06/25/2026S(1)14,420D$20.66(3)15,805D
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
Employee Stock Option (right to buy)$8.7306/25/2026M55,000 (4)10/26/2033Common Stock55,000$0345,000D
Explanation of Responses:
1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 26, 2026.
2. The weighted average sale price for the transaction report was $19.56, and the range of prices were between $19.27 and $20.255, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.
3. The weighted average sale price for the transaction report was $20.66, and the range of prices were between $20.275 and $21.02, inclusive. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.
4. 25% of the shares subject to the option vested on October 16, 2024, and the remaining shares will vest monthly thereafter over three years.
/s/ Sandra G. Stoneman, Attorney-in-Fact06/29/2026
** 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)

FAQ

What did Immunome (IMNM) Chief Medical Officer Robert Lechleider do in this Form 4?

He exercised 55,000 stock options and sold 55,000 common shares. The sales occurred in open-market transactions, converting part of his option position into cash while retaining both shares and additional unexercised options.

How many Immunome (IMNM) shares did the CMO sell and at what prices?

He sold a total of 55,000 common shares. One block of 40,580 shares had a weighted average price of $19.56, and another block of 14,420 shares had a weighted average price of $20.66, within disclosed intraday price ranges.

Were the Immunome (IMNM) insider sales made under a Rule 10b5-1 plan?

Yes, the sales were executed pursuant to a Rule 10b5-1 trading plan. The plan was adopted by Robert Lechleider on March 26, 2026, indicating the trades were pre-scheduled rather than timed on an ad hoc discretionary basis.

How many Immunome (IMNM) shares and options does the CMO hold after these transactions?

Following the reported transactions, he directly holds 15,805 shares of Immunome common stock. He also holds 345,000 employee stock options, providing additional potential future equity exposure beyond his current common share ownership.

What were the terms of the exercised Immunome (IMNM) stock options?

He exercised 55,000 employee stock options with a conversion or exercise price of $8.73 per share. These options relate to underlying Immunome common stock and are part of a larger grant that continues to vest over several years.

How does the vesting schedule work for the Immunome (IMNM) options mentioned?

For this option grant, 25% of the shares vested on October 16, 2024. The remaining shares vest in equal installments each month over the following three years, gradually increasing his exercisable option position over time.