Immunome Inc. (IMNM) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 07, 2026 reveals that Immunome's three principal insider shareholders consist of Director Isaac Barchas (2.03Mn shares), Director Michael Rapp (1.28Mn shares), President And Ceo Clay B Siegall (665.25K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Isaac Barchas 2,031,181 23 Dec, 2025
Michael Rapp 1,279,914 03 Oct, 2023
Clay B Siegall President And Ceo 665,254 30 Dec, 2025
Philip Wagenheim 406,147 17 Jan, 2023
John L Lamattina 66,953 17 Jan, 2023
Franklyn G Prendergast 60,840 04 Oct, 2023
Max Rosett Chief Financial Officer 47,476 20 Sep, 2024
Philip Tsai Chief Technical Officer 43,300 22 Dec, 2025
Bruce Turner Chief Strategy Officer 42,300 02 Oct, 2023
Michael Lefenfeld 40,747 17 Jan, 2023
Jack Higgins Chief Scientific Officer 38,729 22 Dec, 2025
Jean Jacques Bienaime 36,415 03 Jun, 2025
Robert Lechleider Chief Medical Officer 15,805 25 Nov, 2024
Purnanand D Sarma President And Ceo 10,500 26 May, 2021
Richard A Baron 2,343 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
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 D 200,000 $0.00 660,525 D G
19 Dec, 2025 Clay B Siegall Common Stock A 7,278 $20.48 860,525 D P
19 Dec, 2025 Jack Higgins Common Stock A 1,000 $0.00 1,000 I G
19 Dec, 2025 Jack Higgins Common Stock D 1,000 $0.00 39,729 D G
19 Dec, 2025 Jack Higgins Common Stock D 1,000 $0.00 37,729 D G
19 Dec, 2025 Jack Higgins Common Stock A 1,000 $0.00 1,000 I G
19 Dec, 2025 Jack Higgins Common Stock D 1,000 $0.00 38,729 D G
19 Dec, 2025 Jack Higgins Common Stock A 1,000 $0.00 1,000 I G
19 Dec, 2025 Philip Tsai Common Stock A 10,000 $20.49 43,300 D P
18 Dec, 2025 Clay B Siegall Common Stock A 46,511 $21.50 853,247 D P
10 Sep, 2025 Jack Higgins Common Stock A 22,000 $1.35 40,729 D M
03 Jun, 2025 Jean Jacques Bienaime Common Stock A 5,000 $9.38 36,415 D P
03 Jun, 2025 Jean Jacques Bienaime - - 36,415 D
27 Mar, 2025 Jack Higgins - - 18,729 D
27 Mar, 2025 Jack Higgins Common Stock A 5,200 $1.35 18,729 D M
26 Mar, 2025 Clay B Siegall Common Stock A 137,100 $7.29 806,736 D P
25 Mar, 2025 Jean Jacques Bienaime Common Stock A 7,800 $7.78 31,415 D P