Immunome, Inc. (IMNM) Insider Trading
Over the last 3 months, IMNM insiders made 3 open-market buys and 5 sales, a net sale of -$2.3M (SEC Form 4). Over the last 6 months, 161 institutions increased and 82 reduced their position (13F).
Insider Activity
Sentiment
18/100
Buys (3m)
3
Sells (3m)
5
Net (3m)
-$2.3M
Insiders buying
Insider trades by month Buys Sells
Mar
Jun
Dec
Mar
Apr
May
Context3-month price -12%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 19, 2026 | BIENAIME JEAN JACQUESdirector | Buy | 5,000 | $20.70 |
| Apr 3, 2026 | Rosett Maxofficer: Chief Financial Officer | Sell | 63,656 | $21.91 |
| Apr 3, 2026 | Rosett Maxofficer: Chief Financial Officer | Sell | 1,344 | $22.48 |
| Apr 3, 2026 | Rosett Maxofficer: Chief Financial Officer | Option | 39,713 | $1.35 |
| Apr 3, 2026 | Higgins Jackofficer: Chief Scientific Officer | Sell | 9,438 | $21.64 |
| Apr 3, 2026 | Rosett Maxofficer: Chief Financial Officer | Option | 31,848 | $1.05 |
| Mar 31, 2026 | SIEGALL CLAY Bdirector, officer: President and CEO | Buy | 25,450 | $19.67 |
| Mar 23, 2026 | WAGENHEIM PHILIPdirector | Sell | 28,200 | $20.65 |
| Mar 23, 2026 | WAGENHEIM PHILIPdirector | Sell | 36,800 | $20.47 |
| Mar 12, 2026 | BIENAIME JEAN JACQUESdirector | Buy | 1,000 | $22.12 |
| Dec 30, 2025 | SIEGALL CLAY Bdirector, officer: President and CEO | Buy | 4,729 | $21.15 |
| Dec 23, 2025 | Barchas Isaacdirector | Sell | 371,949 | $21.72 |
| Dec 23, 2025 | Barchas Isaacdirector | Sell | 11,251 | $22.34 |
| Dec 22, 2025 | SIEGALL CLAY Bdirector, officer: President and CEO | Buy | 7,278 | $20.48 |
| Dec 22, 2025 | Tsai Philipofficer: Chief Technical Officer | Buy | 10,000 | $20.49 |
| Dec 18, 2025 | SIEGALL CLAY Bdirector, officer: President and CEO | Buy | 46,511 | $21.50 |
| Sep 11, 2025 | Higgins Jackofficer: Chief Scientific Officer | Option | 22,000 | $1.35 |
| Jul 31, 2025 | Tsai Philipofficer: Chief Technical Officer | Grant | 190,000 | $10.60 |
| Jul 31, 2025 | Higgins Jackofficer: Chief Scientific Officer | Grant | 196,000 | $10.60 |
| Jul 31, 2025 | SIEGALL CLAY Bdirector, officer: President and CEO | Grant | 800,000 | $10.60 |
| Jul 31, 2025 | Stoneman Sandra G.officer: CHIEF LEGAL OFFICER & GC | Grant | 190,000 | $10.60 |
| Jul 31, 2025 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Grant | 161,000 | $10.60 |
| Jul 31, 2025 | Lechleider Robertofficer: Chief Medical Officer | Grant | 242,000 | $10.60 |
| Jul 31, 2025 | Rosett Maxofficer: Chief Financial Officer | Grant | 207,000 | $10.60 |
| Jun 12, 2025 | BIENAIME JEAN JACQUESdirector | Grant | 18,864 | $9.57 |
| Jun 12, 2025 | WAGENHEIM PHILIPdirector | Grant | 18,864 | $9.57 |
| Jun 12, 2025 | Boylan James Pdirector | Grant | 18,864 | $9.57 |
| Jun 12, 2025 | Barchas Isaacdirector | Grant | 18,864 | $9.57 |
| Jun 12, 2025 | SWAIN SANDRA Mdirector | Grant | 18,864 | $9.57 |
| Jun 12, 2025 | SCHAFER CAROLdirector | Grant | 18,864 | $9.57 |
Source: IMNM SEC Form 4 filings, latest May 19, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their IMNM positions over the last 6 months (SEC Form 13F).
Increased
161
New positions
89
Reduced
82
Sold out
49
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 17.0M | May 15, 2026 |
| FMR LLC | Increased | 16.5M | Feb 17, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 16.4M | May 15, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 13.4M | Feb 19, 2026 |
| BLACKROCK, INC. | Increased | 8.2M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 7.6M | Feb 12, 2026 |
| POINT72 ASSET MANAGEMENT, L.P. | Increased | 7.0M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 6.0M | Jan 29, 2026 |
| REDMILE GROUP, LLC | Increased | 5.7M | Feb 17, 2026 |
| REDMILE GROUP, LLC | Reduced | 5.6M | May 15, 2026 |
| STATE STREET CORP | Increased | 5.4M | May 15, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | Increased | 4.8M | May 11, 2026 |
| ENAVATE SCIENCES GP, LLC | Unchanged | 4.8M | Feb 17, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 4.7M | May 15, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | Increased | 4.7M | Feb 11, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.