🕵️ Apogee Therapeutics, Inc. ($APGE)
SEC insider & ownership activity, last 12 months · CIK 1974640 · every row links its SEC filing
Over the last 12 months insiders sold $174.2M against $15.0M of open-market buying. Fairmount Funds Management LLC sold $133.5M in discretionary trades (Jan). One red-flag 8-K in the window: Delisting notice (3.01), Sep 3, 2026.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $15.0M (1 lots) · 4 sellers, $174.2M (83 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Fairmount Funds Management LLC | 0 | – | 1 | $133.5M | Jan 22, 2026 |
| Henderson Michael Thomas | 0 | – | 33 | $28.4M | Jul 8, 2026 |
| Nimish P. Shah | 1 | $15.0M | 0 | – | Oct 10, 2025 |
| Dambkowski Carl | 0 | – | 27 | $10.2M | Aug 5, 2026 |
| Jane Henderson | 0 | – | 22 | $2.1M | May 1, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Wellington Management Company LLP | 8.3% | 13G | Feb 10, 2026 | filing ↗ | |
| Roderick WONG, M.D. | 6.0% | 13G | Feb 14, 2025 | filing ↗ | |
| BlackRock, Inc. | 5.5% | 13G | Jul 16, 2025 | filing ↗ | |
| Nimish Shah | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Venrock Healthcare Capital Partners III, L.P. | exited | 13D | Sep 3, 2026 | filing ↗ | |
| VHCP Co-Investment Holdings III, LLC | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Venrock Healthcare Capital Partners EG, L.P. | exited | 13D | Sep 3, 2026 | filing ↗ | |
| VHCP Management III, LLC | exited | 13D | Sep 3, 2026 | filing ↗ | |
| VHCP Management EG, LLC | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Bong Y. Koh | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Fairmount Funds Management LLC | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Tomas Kiselak | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Peter Evan Harwin | exited | 13D | Sep 3, 2026 | filing ↗ | |
| Fairmount Healthcare Fund II L.P. | exited | 13D | Sep 3, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Carl Dambkowski | $2.2M | Jul 1, 2026 | filing ↗ |
| Carl Dambkowski | $1.4M | Jun 22, 2026 | filing ↗ |
| Henderson Michael Thomas | $10.6M | Jun 22, 2026 | filing ↗ |
| Henderson Michael Thomas | $4.9M | May 13, 2026 | filing ↗ |
| Carl Dambkowski | $1.8M | May 6, 2026 | filing ↗ |
| Jane Henderson | $166K | May 1, 2026 | filing ↗ |
| Jane Henderson | $438K | Mar 25, 2026 | filing ↗ |
| Henderson Michael Thomas | $3.8M | Feb 11, 2026 | filing ↗ |
| Fairmount Healthcare Fund II L.P. | $133.5M | Jan 22, 2026 | filing ↗ |
| Carl Dambkowski | $2.8M | Jan 7, 2026 | filing ↗ |
| Jane Henderson | $906K | Jan 2, 2026 | filing ↗ |
| Jane Henderson | $116K | Dec 19, 2025 | filing ↗ |
| Jane Henderson | $112K | Dec 4, 2025 | filing ↗ |
| Carl Dambkowski | $813K | Dec 4, 2025 | filing ↗ |
| Jane Henderson | $102K | Nov 25, 2025 | filing ↗ |
| Jane Henderson | $126K | Nov 14, 2025 | filing ↗ |
| Henderson Michael Thomas | $6.7M | Nov 13, 2025 | filing ↗ |
| Jane Henderson | $57K | Nov 11, 2025 | filing ↗ |
| Carl Dambkowski | $581K | Nov 5, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Agreement terminated (1.02) | Sep 3, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Sep 3, 2026 | filing ↗ |
| Delisting notice (3.01) | Sep 3, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Sep 3, 2026 | filing ↗ |
| Change of control (5.01) | Sep 3, 2026 | filing ↗ |
| Officer/director changes (5.02) | Sep 3, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Sep 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 3, 2026 | filing ↗ |
| Officer/director changes (5.02) | Aug 11, 2026 | filing ↗ |
| Shareholder vote (5.07) | Aug 11, 2026 | filing ↗ |
| Earnings (2.02) | Aug 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 10, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 18, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 18, 2026 | filing ↗ |
| Other events (8.01) | Jun 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 18, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 17, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 27, 2026 | filing ↗ |
| Other events (8.01) | May 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 27, 2026 | filing ↗ |
| Material agreement (1.01) | May 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 26, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 21, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 24, 2026 | filing ↗ |