Immunome Inc. (IMNM) Insider Ownership

Historic Ownership Trends

Through the 90-day period concluding December 12, 2025, Immunome's top three insider stakeholders include Chief Financial Officer Max Rosett (47.48K shares), Chief Scientific Officer Jack Higgins (40.73K shares), Director Jean Jacques Bienaime (36.41K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Michael Rapp 1,279,914 03 Oct, 2023
Clay B Siegall President And CEO 806,736 26 Mar, 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
Bruce Turner Chief Strategy Officer 42,300 02 Oct, 2023
Michael Lefenfeld 40,747 17 Jan, 2023
Jack Higgins Chief Scientific Officer 40,729 11 Sep, 2025
Jean Jacques Bienaime 36,415 03 Jun, 2025
Philip Tsai Chief Technology Officer 33,300 25 Mar, 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
10 Sep, 2025 Jack Higgins Common Stock A 22,000 $1.35 40,729 D M
03 Jun, 2025 Jean Jacques Bienaime - - 36,415 D
03 Jun, 2025 Jean Jacques Bienaime Common Stock A 5,000 $9.38 36,415 D P
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
24 Mar, 2025 Jean Jacques Bienaime Common Stock A 7,000 $8.21 23,615 D P
24 Mar, 2025 Philip Tsai - - 33,300 D
24 Mar, 2025 Philip Tsai Common Stock A 12,300 $8.42 33,300 D P
31 Jan, 2025 Clay B Siegall Common Stock A 150,000 $7.75 669,636 D P
31 Jan, 2025 Clay B Siegall - - 669,636 D
21 Nov, 2024 Philip Tsai Common Stock A 21,000 $9.43 21,000 D P
21 Nov, 2024 Robert Lechleider - - 15,805 D
21 Nov, 2024 Robert Lechleider Common Stock A 15,805 $9.48 15,805 D P
21 Nov, 2024 Clay B Siegall Common Stock A 66,057 $9.54 485,693 D P
22 Nov, 2024 Clay B Siegall Common Stock A 33,943 $9.78 519,636 D P
19 Sep, 2024 Max Rosett - - 61,856 D
19 Sep, 2024 Max Rosett Common Stock A 42,000 $1.05 61,856 D M
19 Sep, 2024 Max Rosett Common Stock D 14,380 $16.01 47,476 D S