Immunome, Inc. (IMNM) Insider Trading
Over the last 3 months, IMNM insiders made 3 open-market buys and 20 sales, a net sale of -$15.7M (SEC Form 4). Over the last 6 months, 74 institutions increased and 52 reduced their position (13F).
Insider Activity
Sentiment
1/100
Buys (3m)
3
Sells (3m)
20
Net (3m)
-$15.7M
Insiders buying
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price +30.7%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 12, 2026 | Barchas Isaacdirector | Sell | 10,125 | $26.07 |
| Aug 12, 2026 | Barchas Isaacdirector | Sell | 11,048 | $27.25 |
| Aug 12, 2026 | Barchas Isaacdirector | Sell | 62,291 | $26.23 |
| Aug 10, 2026 | Barchas Isaacdirector | Sell | 15,248 | $26.06 |
| Aug 10, 2026 | Barchas Isaacdirector | Sell | 20,840 | $26.06 |
| Aug 6, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Option | 50,366 | $12.92 |
| Aug 6, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Option | 40,250 | $10.60 |
| Aug 6, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Sell | 90,616 | $25.09 |
| Jul 27, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Grant | 31,250 | — |
| Jul 27, 2026 | Tsai Philipofficer: Chief Technical Officer | Grant | 38,250 | — |
| Jul 27, 2026 | Rosett Maxofficer: Chief Financial Officer | Grant | 94,500 | $22.01 |
| Jul 27, 2026 | Lechleider Robertofficer: Chief Medical Officer | Grant | 54,000 | — |
| Jul 27, 2026 | Lechleider Robertofficer: Chief Medical Officer | Grant | 108,000 | $22.01 |
| Jul 27, 2026 | SIEGALL CLAY Bdirector, officer: President and CEO | Grant | 180,000 | — |
| Jul 27, 2026 | SIEGALL CLAY Bdirector, officer: President and CEO | Grant | 360,000 | $22.01 |
| Jul 27, 2026 | Tsai Philipofficer: Chief Technical Officer | Grant | 76,500 | $22.01 |
| Jul 27, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Grant | 62,500 | $22.01 |
| Jul 27, 2026 | Stoneman Sandra G.officer: CHIEF LEGAL OFFICER & GC | Grant | 38,250 | — |
| Jul 27, 2026 | Stoneman Sandra G.officer: CHIEF LEGAL OFFICER & GC | Grant | 76,500 | $22.01 |
| Jul 27, 2026 | Higgins Jackofficer: Chief Scientific Officer | Grant | 38,250 | — |
| Jul 27, 2026 | Higgins Jackofficer: Chief Scientific Officer | Grant | 76,500 | $22.01 |
| Jul 27, 2026 | Rosett Maxofficer: Chief Financial Officer | Grant | 47,250 | — |
| Jul 9, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Option | 1,092 | $12.92 |
| Jul 9, 2026 | Horn Kinneyofficer: CHIEF BUSINESS OFFICER | Sell | 1,092 | $25.00 |
| Jul 7, 2026 | Lechleider Robertofficer: Chief Medical Officer | Sell | 16,072 | $23.44 |
| Jul 7, 2026 | Barchas Isaacdirector | Sell | 83,094 | $24.11 |
| Jul 7, 2026 | Barchas Isaacdirector | Sell | 16,906 | $24.20 |
| Jul 7, 2026 | Lechleider Robertofficer: Chief Medical Officer | Option | 55,000 | $8.73 |
| Jul 7, 2026 | Lechleider Robertofficer: Chief Medical Officer | Sell | 22,714 | $21.95 |
| Jul 7, 2026 | Lechleider Robertofficer: Chief Medical Officer | Sell | 16,214 | $22.76 |
Source: IMNM SEC Form 4 filings, latest Aug 12, 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
74
New positions
48
Reduced
52
Sold out
198
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 17.0M | May 15, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Increased | 16.4M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 8.2M | May 13, 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 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 4.7M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4.4M | May 15, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | Increased | 4.1M | May 15, 2026 |
| ENAVATE SCIENCES GP, LLC | Reduced | 3.6M | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 2.9M | May 15, 2026 |
| MORGAN STANLEY | Reduced | 2.8M | May 15, 2026 |
| JPMORGAN CHASE & CO | Reduced | 2.8M | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.6M | May 15, 2026 |
| JEFFERIES FINANCIAL GROUP INC. | Reduced | 2.3M | May 8, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.