Clay B. Siegall, President and CEO of Immunome Inc. ($IMNM), made four open market purchases of company shares over the past year, totaling about $2.25 million. His most recent buy occurred on December 30, 2025. These purchases rank 289th among nearly 5,000 individual insiders, surpassing the average buy amount of $1.46 million and 3.29 transactions per insider. Siegall reported no open market sales in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 27, 2026 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 25450 | $19.67 | 690,704.0000 | 91,710,277 | 3.83% | 0.03% |
| Dec. 30, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 4729 | $21.15 | 665,254.0000 | 91,710,277 | 0.72% | 0.01% |
| Dec. 19, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | G | Common Stock | 200000 | $0.00 | 660,525.0000 | 91,710,277 | 23.24% | 0.22% |
| Dec. 19, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 7278 | $20.48 | 860,525.0000 | 91,710,277 | 0.85% | 0.01% |
| Dec. 18, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 46511 | $21.50 | 853,247.0000 | 91,710,277 | 5.77% | 0.05% |
| Oct. 28, 2025 | Tourmaline Bio, Inc. | $TRML | SIEGALL CLAY B | Not found | D | Employee Stock Option (Right to Buy) | 15000 | $0.00 | 0.0000 | 25,755,000 | 100.00% | 0.06% |
| Oct. 28, 2025 | Tourmaline Bio, Inc. | $TRML | SIEGALL CLAY B | Not found | D | Employee Stock Option (Right to Buy) | 20000 | $0.00 | 0.0000 | 25,755,000 | 100.00% | 0.08% |
| Oct. 28, 2025 | Tourmaline Bio, Inc. | $TRML | SIEGALL CLAY B | Not found | D | Employee Stock Option (Right to Buy) | 16800 | $0.00 | 0.0000 | 25,755,000 | 100.00% | 0.07% |
| Aug. 25, 2025 | Shattuck Labs, Inc. | $STTK | SIEGALL CLAY B | Not found | A | Warrants (Right to Buy) | 128054 | $0.00 | 128,054.0000 | 50,758,290 | 9999.99% | 0.25% |
| Aug. 25, 2025 | Shattuck Labs, Inc. | $STTK | SIEGALL CLAY B | Not found | A | Common Stock | 128054 | $0.87 | 128,054.0000 | 50,758,290 | 9999.99% | 0.25% |
| July 29, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | A | Employee Stock Option (right to buy) | 800000 | $0.00 | 800,000.0000 | 0 | 9999.99% | 0.00% |
| July 14, 2025 | Shattuck Labs, Inc. | $STTK | SIEGALL CLAY B | Not found | A | Stock Option (Right to Buy) | 33150 | $0.00 | 33,150.0000 | 50,758,290 | 9999.99% | 0.07% |
| June 4, 2025 | Tourmaline Bio, Inc. | $TRML | SIEGALL CLAY B | Director | A | Stock Option (Right to Buy) | 16800 | $0.00 | 16,800.0000 | 25,348,000 | 9999.99% | 0.07% |
| March 26, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 137100 | $7.29 | 806,736.0000 | 0 | 20.47% | 0.00% |
| Jan. 31, 2025 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 150000 | $7.75 | 669,636.0000 | 0 | 28.87% | 0.00% |
| Nov. 22, 2024 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 33943 | $9.78 | 519,636.0000 | 0 | 6.99% | 0.00% |
| Nov. 21, 2024 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 66057 | $9.54 | 485,693.0000 | 0 | 15.74% | 0.00% |
| Aug. 9, 2024 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | A | Stock option (right to buy) | 800000 | $0.00 | 800,000.0000 | 0 | 9999.99% | 0.00% |
| June 21, 2024 | Shattuck Labs, Inc. | $STTK | SIEGALL CLAY B | Not found | A | Stock Option (Right to Buy) | 27700 | $0.00 | 27,700.0000 | 42,600,190 | 9999.99% | 0.07% |
| June 5, 2024 | Tourmaline Bio, Inc. | $TRML | SIEGALL CLAY B | Director | A | Stock Option (Right to Buy) | 15000 | $0.00 | 15,000.0000 | 4,747,000 | 9999.99% | 0.32% |
| May 21, 2024 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 20434 | $13.78 | 419,636.0000 | 0 | 5.12% | 0.00% |
| May 20, 2024 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 79566 | $13.91 | 399,202.0000 | 0 | 24.89% | 0.00% |
| March 6, 2024 | Shattuck Labs, Inc. | $STTK | SIEGALL CLAY B | Not found | A | Stock Option (Right to Buy) | 33409 | $0.00 | 33,409.0000 | 42,600,190 | 9999.99% | 0.08% |
| Oct. 2, 2023 | Immunome Inc. | $IMNM | SIEGALL CLAY B | President and CEO | P | Common Stock | 169204 | $5.91 | 319,636.0000 | 0 | 112.48% | 0.00% |