Michael Thomas Henderson Insider Trading Activity
Michael Thomas Henderson has been net-selling over the last 12 months with 0 purchases and 29 sales across 2 different companies.
APGE is the most-traded position with 25 trades. The largest single transaction was a sale of APGE for $3.0M on Dec 4, 2025.
Performance Scorecard
Forward stock performance after each transaction by Michael Thomas Henderson. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -2.8% | 41% | 29 |
| 90 days | — | -16.1% | 13% | 23 |
| 120 days | — | -24.1% | 0% | 20 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 13, 2026 | APGE | Sell | 18,659 | $82.05 | $1.5M | −1.6% | CEO | |
May 13, 2026 | APGE | Sell | 1,341 | $82.58 | $111K | −0.1% | CEO | |
May 8, 2026 | SYRE | Sell | 2,404 | $72.57 | $174K | −1.4% | Director | |
May 8, 2026 | SYRE | Sell | 33,513 | $73.72 | $2.5M | −20.2% | Director | |
May 8, 2026 | SYRE | Sell | 24,814 | $74.76 | $1.9M | −18.7% | Director | |
May 8, 2026 | SYRE | Sell | 19,269 | $75.35 | $1.5M | −17.9% | Director | |
Apr 8, 2026 | APGE | Sell | 17,800 | $82.48 | $1.5M | −1.5% | CEO | |
Apr 8, 2026 | APGE | Sell | 2,000 | $83.26 | $167K | −0.2% | CEO | |
Apr 8, 2026 | APGE | Sell | 200 | $85.00 | $17K | −0.0% | CEO | |
Mar 11, 2026 | APGE | Sell | 8,363 | $74.29 | $621K | −0.7% | CEO | |
Mar 11, 2026 | APGE | Sell | 8,219 | $74.83 | $615K | −0.7% | CEO | |
Mar 11, 2026 | APGE | Sell | 3,418 | $75.86 | $259K | −0.3% | CEO | |
Feb 11, 2026 | APGE | Sell | 11,494 | $62.96 | $724K | −1.0% | CEO | |
Feb 11, 2026 | APGE | Sell | 7,551 | $63.73 | $481K | −0.6% | CEO | |
Feb 11, 2026 | APGE | Sell | 955 | $64.99 | $62K | −0.1% | CEO | |
Jan 14, 2026 | APGE | Sell | 1,440 | $78.64 | $113K | −0.1% | CEO | |
Jan 14, 2026 | APGE | Sell | 8,476 | $79.82 | $677K | −0.7% | CEO | |
Jan 14, 2026 | APGE | Sell | 2,374 | $81.00 | $192K | −0.2% | CEO | |
Jan 14, 2026 | APGE | Sell | 1,854 | $82.41 | $153K | −0.2% | CEO | |
Jan 14, 2026 | APGE | Sell | 5,386 | $83.16 | $448K | −0.4% | CEO | |
Jan 14, 2026 | APGE | Sell | 470 | $83.79 | $39K | −0.0% | CEO | |
Dec 10, 2025 | APGE | Sell | 9,435 | $74.88 | $706K | −0.8% | CEO | |
Dec 10, 2025 | APGE | Sell | 10,005 | $75.79 | $758K | −0.8% | CEO | |
Dec 10, 2025 | APGE | Sell | 560 | $76.58 | $43K | −0.0% | CEO | |
Dec 4, 2025 | APGE | Sell | 40,000 | $75.01 | $3.0M | −3.1% | CEO | |
Nov 13, 2025 | APGE | Sell | 3,340 | $61.93 | $207K | −0.3% | CEO | |
Nov 13, 2025 | APGE | Sell | 14,774 | $63.14 | $933K | −1.1% | CEO | |
Nov 13, 2025 | APGE | Sell | 1,786 | $63.89 | $114K | −0.1% | CEO | |
Nov 13, 2025 | APGE | Sell | 100 | $64.52 | $6K | −0.0% | CEO |
Top Companies Traded
Other insiders at Apogee Therapeutics, Inc.
2 other tracked filers at APGE.