Immunome Inc. (IMNM) Insider Ownership

Historic Insider Ownership Trends

IMNM's three largest insider shareholders as of March 23, 2026 are Isaac Barchas (Director, 2.03Mn shares), Michael Rapp (Director, 1.07Mn shares), Clay B Siegall (President And Ceo, 665.25K 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
Michael Rapp 1,071,172 0 03 Oct, 2023
Clay B Siegall President And Ceo 665,254 0 30 Dec, 2025
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 47,476 0 19 Sep, 2024
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
Robert Lechleider Chief Medical Officer 15,805 0 21 Nov, 2024
Purnanand D Sarma President And Ceo 10,500 0 26 May, 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
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
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 Clay B Siegall Common Stock D 200,000 $0.00 660,525 D G
18 Dec, 2025 Clay B Siegall Common Stock A 46,511 $21.50 853,247 D P
29 Jul, 2025 Philip Tsai Employee Stock Option (right to buy) A 190,000 $0.00 190,000 D A
29 Jul, 2025 Clay B Siegall Employee Stock Option (right to buy) A 800,000 $0.00 800,000 D A
29 Jul, 2025 Sandra G. Stoneman Employee Stock Option (right to buy) A 190,000 $0.00 190,000 D A
29 Jul, 2025 Robert Lechleider Employee Stock Option (right to buy) A 242,000 $0.00 242,000 D A
29 Jul, 2025 Max Rosett Employee Stock Option (right to buy) A 207,000 $0.00 207,000 D A
10 Jun, 2025 Sandra M Swain Director Stock Option (right to buy) A 18,864 $0.00 18,864 D A
10 Jun, 2025 Philip Wagenheim Director Stock Option (right to buy) A 18,864 $0.00 18,864 D A
10 Jun, 2025 Carol Schafer Director Stock Option (right to buy) A 18,864 $0.00 18,864 D A
10 Jun, 2025 Jean Jacques Bienaime Director Stock Option (right to buy) A 18,864 $0.00 18,864 D A
03 Jun, 2025 Jean Jacques Bienaime Common Stock A 5,000 $9.38 36,415 D P
25 Mar, 2025 Jean Jacques Bienaime Common Stock A 7,800 $7.78 31,415 D P