Apogee Therapeutics, Inc. (APGE) has 10 known insider and institutional holders on record. The largest holder is HENDERSON MICHAEL THOMAS with 1,152,987 shares. Other notable holders include Shah Nimish P and Fairmount Funds Management LLC.
Over the last 12 months, insiders have made 40 transactions in APGE stock — 11 buys (valued at $36.07M) and 22 sells (valued at $139.05M). Insider selling has exceeded buying during this period.
APGE Insider Ownership
Top Holder
HENDERSON MICHAEL THOMAS
1,152,987 shares
Buys (12 mo)
11
$36.07M value
Sells (12 mo)
22
$139.05M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Henderson Michael Thomas |
Chief Executive Officer |
1,152,987 |
2026-03-13 |
|
| 2 |
Shah Nimish P |
Director |
365,853 |
2025-10-15 |
|
| 3 |
Fairmount Funds Management Llc |
Director |
298,647 |
2026-01-22 |
|
| 4 |
Henderson Jane |
Chief Financial Officer |
177,371 |
2026-04-03 |
|
| 5 |
Dambkowski Carl |
Chief Medical Officer |
127,165 |
2026-04-03 |
|
| 6 |
Jones William A Jr |
Director |
14,461 |
2025-06-20 |
|
| 7 |
Gottesdiener Andrew |
Director |
14,461 |
2025-06-20 |
|
| 8 |
Fox Jennifer A. |
Director |
14,461 |
2025-06-20 |
|
| 9 |
Bollinger Lisa |
Director |
14,461 |
2025-06-20 |
|
| 10 |
Mckenna Mark C. |
Director |
14,461 |
2025-06-20 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Dambkowski Carl |
Chief Medical Officer |
Option Exercise (Sell) |
4,125 |
$22.86 |
$94.3K |
| 2026-04-01 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
1,100 |
$85.46 |
$94.01K |
| 2026-03-25 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
2,000 |
$85.00 |
$170K |
| 2026-03-11 |
Henderson Michael Thomas |
Chief Executive Officer |
Informative Sell |
3,418 |
$75.86 |
$259.29K |
| 2026-03-04 |
Dambkowski Carl |
Chief Medical Officer |
Option Exercise (Sell) |
4,125 |
$22.86 |
$94.3K |
| 2026-03-02 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
406 |
$71.66 |
$29.09K |
| 2026-02-11 |
Henderson Michael Thomas |
Chief Executive Officer |
Informative Sell |
955 |
$64.99 |
$62.07K |
| 2026-02-04 |
Dambkowski Carl |
Chief Medical Officer |
Option Exercise (Sell) |
4,125 |
$22.86 |
$94.3K |
| 2026-02-02 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
100 |
$66.89 |
$6.69K |
| 2026-01-22 |
Fairmount Funds Management Llc |
Director |
Informative Sell |
1,750,000 |
$76.30 |
$133.53M |
| 2026-01-14 |
Henderson Michael Thomas |
Chief Executive Officer |
Informative Sell |
470 |
$83.79 |
$39.38K |
| 2026-01-07 |
Dambkowski Carl |
Chief Medical Officer |
Option Exercise (Sell) |
14,025 |
$22.86 |
$320.61K |
| 2026-01-02 |
Dambkowski Carl |
Chief Medical Officer |
RSU Award |
83,690 |
$75.78 |
$6.34M |
| 2026-01-02 |
Henderson Michael Thomas |
Chief Executive Officer |
RSU Award |
253,016 |
$75.78 |
$19.17M |
| 2026-01-06 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
2,000 |
$80.00 |
$160K |
| 2026-01-02 |
Henderson Jane |
Chief Financial Officer |
RSU Award |
83,690 |
$75.78 |
$6.34M |
| 2025-12-19 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
1,500 |
$80.00 |
$120K |
| 2025-12-10 |
Henderson Michael Thomas |
Chief Executive Officer |
Informative Sell |
560 |
$76.58 |
$42.88K |
| 2025-12-04 |
Dambkowski Carl |
Chief Medical Officer |
Informative Sell |
10,900 |
$75.00 |
$817.5K |
| 2025-12-04 |
Henderson Michael Thomas |
Chief Executive Officer |
Informative Sell |
40,000 |
$75.01 |
$3M |
| 2025-12-04 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
1,500 |
$75.00 |
$112.5K |
| 2025-11-25 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
1,500 |
$70.00 |
$105K |
| 2025-11-14 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
2,000 |
$65.00 |
$130K |
| 2025-11-13 |
Henderson Michael Thomas |
Chief Executive Officer |
Informative Sell |
100 |
$64.52 |
$6.45K |
| 2025-11-11 |
Henderson Jane |
Chief Financial Officer |
Informative Sell |
1,000 |
$60.00 |
$60K |
