Immunome Inc. (IMNM) Insider Ownership

Historic Insider Ownership Trends

As of April 17, 2026, Immunome's top three insider holders are Isaac Barchas (Director, 4.07Mn shares), Michael Rapp (Director, 1.07Mn shares), Clay B Siegall (President And Ceo, 690.70K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Isaac Barchas - 0 4,073,613 23 Dec, 2025
Michael Rapp - 1,071,172 0 03 Oct, 2023
Clay B Siegall President And Ceo 690,704 0 31 Mar, 2026
Philip Wagenheim - 341,147 0 23 Mar, 2026
Michael Rapp - 0 208,742 14 Sep, 2021
John L Lamattina - 66,953 0 17 Jan, 2023
Franklyn G Prendergast - 60,840 0 02 Oct, 2023
Max Rosett Chief Financial Officer 54,037 0 03 Apr, 2026
Philip Tsai Chief Technical Officer 43,300 0 22 Dec, 2025
Bruce Turner Chief Strategy Officer 42,300 0 02 Oct, 2023
Michael Lefenfeld - 40,747 0 17 Jan, 2023
Jean Jacques Bienaime - 38,415 0 12 Mar, 2026
Jack Higgins Chief Scientific Officer 22,000 0 03 Apr, 2026
Robert Lechleider Chief Medical Officer 15,805 0 21 Nov, 2024
Jack Higgins Chief Scientific Officer 0 3,000 22 Dec, 2025
Richard A Baron - 2,343 0 20 Aug, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Apr, 2026 Jack Higgins Common Stock D 9,438 $21.64 22,000 D S
02 Apr, 2026 Max Rosett Common Stock A 31,848 $1.05 79,324 D M
02 Apr, 2026 Max Rosett Common Stock A 39,713 $1.35 119,037 D M
02 Apr, 2026 Max Rosett Common Stock D 63,656 $21.91 55,381 D S
02 Apr, 2026 Max Rosett Common Stock D 1,344 $22.48 54,037 D S
02 Apr, 2026 Max Rosett Stock option (right to buy) D 31,848 $0.00 60,000 D M
02 Apr, 2026 Max Rosett Stock option (right to buy) D 39,713 $0.00 0 D M
30 Mar, 2026 Jack Higgins Common Stock D 6,291 $0.00 31,438 D G
27 Mar, 2026 Clay B Siegall Common Stock A 25,450 $19.67 690,704 D P
20 Mar, 2026 Philip Wagenheim Common Stock D 36,800 $20.47 369,347 D S
23 Mar, 2026 Philip Wagenheim Common Stock D 28,200 $20.65 341,147 D S
10 Mar, 2026 Jean Jacques Bienaime Common Stock A 1,000 $22.12 37,415 D P
11 Mar, 2026 Jean Jacques Bienaime Common Stock A 1,000 $21.55 38,415 D P
30 Dec, 2025 Clay B Siegall Common Stock A 4,729 $21.15 665,254 D P
22 Dec, 2025 Isaac Barchas Common Stock D 371,949 $21.72 2,042,432 I S
22 Dec, 2025 Isaac Barchas Common Stock D 11,251 $22.34 2,031,181 I S
19 Dec, 2025 Clay B Siegall Common Stock A 7,278 $20.48 860,525 D P
19 Dec, 2025 Philip Tsai Common Stock A 10,000 $20.49 43,300 D P
19 Dec, 2025 Jack Higgins Common Stock D 1,000 $0.00 39,729 D G
19 Dec, 2025 Jack Higgins Common Stock A 1,000 $0.00 1,000 I G