IMNM insider buying – Immunome Inc.
30 insider purchases since 2016 worth $12.8M by 10 different insiders. Last 12 months: 8 purchases, $2.3M. Most recent filing: 2026-06-09.
Mid company Public float $728M (latest 10-K, SEC).
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 1 older purchase (before the 5-year window) is listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| SIEGALL CLAY B CEO | $7.3M 9× · 740,272 sh | 2023-10-02 2026-03-27 | – | 870,704 shares as of 2026-07-27 | Holds - never sold |
| RAPP MICHAEL Director | $3.3M 4× · 208,742 sh | 2020-10-06 2021-09-13 | – | 1,279,914 shares as of 2023-10-03 | Holds - never sold |
| BIENAIME JEAN JACQUES Director | $641,204 8× · 46,300 sh | 2024-05-21 2026-06-05 | 1× · $203,820 last 2026-06-05 | 43,415 shares as of 2026-06-09 | Holds (sold earlier) |
| Tsai Philip Officer | $506,496 3× · 43,300 sh | 2024-11-21 2025-12-19 | – | 81,550 shares as of 2026-07-27 | Holds - never sold |
| Turner Bruce Officer | $249,993 1× · 42,300 sh | 2023-10-02 2023-10-02 | – | 42,300 shares as of 2023-10-04 | Holds - never sold |
| WAGENHEIM PHILIP Director | $247,725 1× · 13,500 sh | 2021-05-24 2021-05-24 | 1× · $1.3M last 2026-03-20 | 369,347 shares as of 2026-03-23 | Sold part |
| Sarma Purnanand D CEO | $193,305 1× · 10,500 sh | 2021-05-25 2021-05-25 | – | 10,500 shares as of 2021-05-26 | Holds - never sold |
| Lechleider Robert Officer | $149,831 1× · 15,805 sh | 2024-11-21 2024-11-21 | 2× · $2.3M last 2026-07-02 | 69,805 shares as of 2026-07-27 | Sold part |
| LAMATTINA JOHN L Director | $101,028 1× · 5,440 sh | 2021-05-24 2021-05-24 | – | 66,953 shares as of 2023-01-17 | Holds - never sold |
| Lefenfeld Michael Director | $86,150 1× · 4,650 sh | 2021-05-24 2021-05-24 | – | 40,747 shares as of 2023-01-17 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 4 | $852,032 | 2 | 13 | $19.2M |
| 2025 | 10 | $3.9M | 3 | 1 | $8.3M |
| 2024 | 6 | $2.8M | 4 | 1 | $230,224 |
| 2023 | 2 | $1.2M | 2 | – | – |
| 2021 | 7 | $3.0M | 5 | – | – |
| 2020 | 1 | $999,984 | 1 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-09 | BIENAIME JEAN JACQUES | Director | 10,500 | $19.45 | $204,260 | +31.9% | SEC |
| 2026-05-19 | BIENAIME JEAN JACQUES | Director | 5,000 | $20.70 | $103,500 | +13.0% | SEC |
| 2026-03-31 | SIEGALL CLAY B | CEO | 25,450 | $19.67 | $500,602 | +3.8% | SEC |
| 2026-03-12 | BIENAIME JEAN JACQUES | Director | 2,000 | $21.84 | $43,670 | +5.5% | SEC |
| 2025-12-30 | SIEGALL CLAY B | CEO | 4,729 | $21.15 | $100,018 | +0.7% | SEC |
| 2025-12-22 | Tsai Philip | Officer | 10,000 | $20.49 | $204,900 | +30.0% | SEC |
| 2025-12-22 | SIEGALL CLAY B | CEO | 7,278 | $20.48 | $149,053 | +0.9% | SEC |
| 2025-12-18 | SIEGALL CLAY B | CEO | 46,511 | $21.50 | $999,986 | +5.8% | SEC |
| 2025-06-03 | BIENAIME JEAN JACQUES | Director | 5,000 | $9.38 | $46,900 | +15.9% | SEC |
| 2025-03-26 | SIEGALL CLAY B | CEO | 137,100 | $7.29 | $999,459 | +20.5% | SEC |
| 2025-03-26 | BIENAIME JEAN JACQUES | Director | 7,800 | $7.78 | $60,684 | +33.0% | SEC |
| 2025-03-25 | Tsai Philip | Officer | 12,300 | $8.42 | $103,566 | +58.6% | SEC |
| 2025-03-25 | BIENAIME JEAN JACQUES | Director | 7,000 | $8.21 | $57,470 | +42.1% | SEC |
| 2025-02-03 | SIEGALL CLAY B | CEO | 150,000 | $7.75 | $1.2M | +28.9% | SEC |
| 2024-11-25 | Tsai Philip | Officer | 21,000 | $9.43 | $198,030 | SEC | |
| 2024-11-25 | SIEGALL CLAY B | CEO | 100,000 | $9.62 | $962,146 | +23.8% | SEC |
| 2024-11-25 | Lechleider Robert | Officer | 15,805 | $9.48 | $149,831 | SEC | |
| 2024-08-19 | BIENAIME JEAN JACQUES | Director | 7,000 | $13.94 | $97,580 | +72.8% | SEC |
| 2024-05-22 | BIENAIME JEAN JACQUES | Director | 2,000 | $13.57 | $27,140 | +26.3% | SEC |
| 2024-05-21 | SIEGALL CLAY B | CEO | 100,000 | $13.88 | $1.4M | +31.3% | SEC |
| 2023-10-04 | Turner Bruce | Officer | 42,300 | $5.91 | $249,993 | SEC | |
| 2023-10-04 | SIEGALL CLAY B | CEO | 169,204 | $5.91 | $999,996 | +112.5% | SEC |
| 2021-09-14 | RAPP MICHAEL | Director | 25,962 | $19.96 | $518,202 | +14.2% | SEC |
| 2021-09-13 | RAPP MICHAEL | Director | 45,950 | $18.07 | $830,449 | +33.6% | SEC |
| 2021-05-26 | Sarma Purnanand D | CEO | 10,500 | $18.41 | $193,305 | SEC | |
| 2021-05-26 | WAGENHEIM PHILIP | Director | 13,500 | $18.35 | $247,725 | +3.5% | SEC |
| 2021-05-26 | RAPP MICHAEL | Director | 53,498 | $18.38 | $983,423 | +64.2% | SEC |
| 2021-05-26 | Lefenfeld Michael | Director | 4,650 | $18.53 | $86,150 | +20.9% | SEC |
| 2021-05-26 | LAMATTINA JOHN L | Director | 5,440 | $18.57 | $101,028 | +11.7% | SEC |
| 2020-10-08 | RAPP MICHAEL | Director | 83,332 | $12.00 | $999,984 | +15.0% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | Higgins Jack | Officer | 13,200 | $25.32 | $334,224 | Pre-planned (10b5-1) | SEC |
| 2026-08-12 | Barchas Isaac | Director | 83,464 | $26.35 | $2.2M | Pre-planned (10b5-1) | SEC |
| 2026-08-10 | Barchas Isaac | Director | 36,088 | $26.06 | $940,453 | Pre-planned (10b5-1) | SEC |
| 2026-08-06 | Horn Kinney | Officer | 90,616 | $25.09 | $2.3M | Pre-planned (10b5-1) | SEC |
| 2026-07-07 | Barchas Isaac | Director | 100,000 | $24.13 | $2.4M | Pre-planned (10b5-1) | SEC |
| 2026-07-07 | Lechleider Robert | Officer | 55,000 | $22.62 | $1.2M | Pre-planned (10b5-1) | SEC |
| 2026-07-02 | Barchas Isaac | Director | 201,050 | $21.85 | $4.4M | Pre-planned (10b5-1) | SEC |
| 2026-06-29 | Lechleider Robert | Officer | 55,000 | $19.85 | $1.1M | Pre-planned (10b5-1) | SEC |
| 2026-06-17 | Rosett Max | CFO | 60,000 | $18.23 | $1.1M | Pre-planned (10b5-1) | SEC |
| 2026-06-09 | BIENAIME JEAN JACQUES | Director | 10,500 | $19.41 | $203,820 | Sale | SEC |
| 2026-04-03 | Rosett Max | CFO | 65,000 | $21.92 | $1.4M | Pre-planned (10b5-1) | SEC |
| 2026-04-03 | Higgins Jack | Officer | 9,438 | $21.64 | $204,238 | Pre-planned (10b5-1) | SEC |
| 2026-03-23 | WAGENHEIM PHILIP | Director | 65,000 | $20.55 | $1.3M | Sale | SEC |
| 2025-12-23 | Barchas Isaac | Director | 383,200 | $21.74 | $8.3M | Pre-planned (10b5-1) | SEC |
| 2024-09-20 | Rosett Max | CFO | 14,380 | $16.01 | $230,224 | Sale | SEC |
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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