Immunome Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| SIEGALL CLAY B | President and CEO | Purchase | 4,729 | $21.15 | $100,018 | 665,254 | Dec 30, 2025 |
| Barchas Isaac | — | Sale | 11,251 | $22.34 | $251,347 | 2,031,181 | Dec 22, 2025 |
| Higgins Jack | Chief Scientific Officer | Gift | 1,000 | — | — | 1,000 | Dec 19, 2025 |
| SIEGALL CLAY B | President and CEO | Purchase | 7,278 | $20.48 | $149,053 | 860,525 | Dec 19, 2025 |
| Tsai Philip | Chief Technical Officer | Purchase | 10,000 | $20.49 | $204,900 | 43,300 | Dec 19, 2025 |
| SIEGALL CLAY B | President and CEO | Purchase | 46,511 | $21.50 | $999,987 | 853,247 | Dec 18, 2025 |
| Higgins Jack | Chief Scientific Officer | Option Exercise | 22,000 | $1.35 | $29,700 | 40,729 | Sep 10, 2025 |
| BIENAIME JEAN JACQUES | — | Purchase | 5,000 | $9.38 | $46,900 | 36,415 | Jun 3, 2025 |
| Higgins Jack | Chief Scientific Officer | Option Exercise | 5,200 | $1.35 | $7,020 | 18,729 | Mar 27, 2025 |
| SIEGALL CLAY B | President and CEO | Purchase | 137,100 | $7.29 | $999,459 | 806,736 | Mar 26, 2025 |
| BIENAIME JEAN JACQUES | — | Purchase | 7,800 | $7.78 | $60,684 | 31,415 | Mar 25, 2025 |
| BIENAIME JEAN JACQUES | — | Purchase | 7,000 | $8.21 | $57,470 | 23,615 | Mar 24, 2025 |
| Tsai Philip | Chief Technology Officer | Purchase | 12,300 | $8.42 | $103,566 | 33,300 | Mar 24, 2025 |
| SIEGALL CLAY B | President and CEO | Purchase | 150,000 | $7.75 | $1,162,500 | 669,636 | Jan 31, 2025 |
| SIEGALL CLAY B | President and CEO | Purchase | 33,943 | $9.78 | $331,963 | 519,636 | Nov 21, 2024 |
| Lechleider Robert | Chief Medical Officer | Purchase | 15,805 | $9.48 | $149,831 | 15,805 | Nov 21, 2024 |
| Tsai Philip | Chief Technology Officer | Purchase | 21,000 | $9.43 | $198,030 | 21,000 | Nov 21, 2024 |
| Rosett Max | Chief Financial Officer | Option Exercise | 42,000 | $1.05 | $44,100 | 61,856 | Sep 19, 2024 |
| BIENAIME JEAN JACQUES | — | Purchase | 7,000 | $13.94 | $97,580 | 16,615 | Aug 16, 2024 |
| Higgins Jack | Chief Scientific Officer | Option Exercise | 19,524 | $1.35 | $26,357 | 19,524 | Aug 15, 2024 |
| BIENAIME JEAN JACQUES | — | Purchase | 2,000 | $13.57 | $27,140 | 9,615 | May 21, 2024 |
| SIEGALL CLAY B | President and CEO | Purchase | 20,434 | $13.78 | $281,581 | 419,636 | May 20, 2024 |
| SIEGALL CLAY B | President and CEO | Purchase | 169,204 | $5.91 | $999,996 | 319,636 | Oct 2, 2023 |
| Turner Bruce | Chief Strategy Officer | Purchase | 42,300 | $5.91 | $249,993 | 42,300 | Oct 2, 2023 |
| PRENDERGAST FRANKLYN G | — | Award / Grant | 60,840 | — | — | 60,840 | Oct 2, 2023 |
| RAPP MICHAEL | — | Award / Grant | 253,806 | $5.91 | $1,499,993 | 1,071,172 | Oct 2, 2023 |
| WAGENHEIM PHILIP | — | Award / Grant | 8,750 | $4.00 | $35,000 | 406,147 | Jan 15, 2023 |
| LAMATTINA JOHN L | — | Award / Grant | 15,125 | $4.00 | $60,500 | 66,953 | Jan 15, 2023 |
| Lefenfeld Michael | — | Award / Grant | 13,875 | $4.00 | $55,500 | 40,747 | Jan 15, 2023 |
| RAPP MICHAEL | — | Award / Grant | 17,500 | $4.00 | $70,000 | 817,366 | Jan 15, 2023 |
| RAPP MICHAEL | — | Purchase | 25,962 | $19.96 | $518,202 | 208,742 | Sep 13, 2021 |
| RAPP MICHAEL | — | Purchase | 8,170 | $17.44 | $142,485 | 145,000 | Sep 9, 2021 |
| BARON RICHARD A | — | Option Exercise | 2,343 | $11.38 | $26,663 | 2,343 | Aug 18, 2021 |
| Sarma Purnanand D | President and CEO | Purchase | 10,500 | $18.41 | $193,305 | 10,500 | May 25, 2021 |
| Lefenfeld Michael | — | Purchase | 1,335 | $19.03 | $25,405 | 26,872 | May 24, 2021 |
| RAPP MICHAEL | — | Purchase | 2,300 | $18.94 | $43,562 | 136,830 | May 24, 2021 |
| WAGENHEIM PHILIP | — | Purchase | 13,500 | $18.35 | $247,725 | 397,397 | May 24, 2021 |
| LAMATTINA JOHN L | — | Purchase | 338 | $18.44 | $6,233 | 46,726 | May 24, 2021 |
| Widlitz Michael | — | C | 51,315 | — | — | 51,315 | Oct 6, 2020 |
| RAPP MICHAEL | — | C | 555,554 | — | — | 555,554 | Oct 6, 2020 |
| MORRIS I WISTAR III | — | C | 882,475 | — | — | 882,475 | Oct 6, 2020 |
| Lefenfeld Michael | — | C | 22,222 | — | — | 22,222 | Oct 6, 2020 |
| LAMATTINA JOHN L | — | C | 46,388 | — | — | 46,388 | Oct 6, 2020 |