Insider trading is one of the least known successful stock market anomalies. It's managed to beat the market by an average of 7 percentage points annually over the past 50 years. Several peer-reviewed academic studies covering different time periods document the profitability of insider trading.
Insider Trading Education Center
Insider Trading News
Ameresco Insiders Bought About $1.9 Million After the Stock Fell. Are They Signaling an AI-Power Rebound?
Ameresco insiders have been buying into a steep decline instead of waiting for the chart to improve.
Insider Trading: Purchases
| Insider | Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|---|
| GRCE | $1.89 | 36,347 | $68,757.62 | 2,944,354 | 2026-10-16 | Filing | |
| GRCE | $1.95 | 23,485 | $45,685.37 | 2,908,007 | 2026-10-15 | Filing | |
| GRCE | $1.93 | 11,233 | $21,734.73 | 2,884,522 | 2026-10-14 | Filing | |
| ZONE | $0.11 | 500,000 | $55,150.00 | 4,500,000 | 2026-10-16 | Filing | |
| PRIM | $79.98 | 22 | $1,719.97 | 21,522 | 2026-10-15 | Filing |
Insider Trading: Sales
| Insider | Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|---|
| ASPI | $2.11 | 22,500 | $47,565.00 | 2,225,941 | 2026-10-14 | Filing | |
| NTRA | $408.24 | 2,000 | $816,471.20 | 2,119,394 | 2026-10-15 | Filing | |
| NTRA | $407.27 | 3,800 | $1,547,611.56 | 2,121,394 | 2026-10-15 | Filing | |
| NTRA | $406.63 | 1,400 | $569,281.86 | 2,125,194 | 2026-10-15 | Filing | |
| NTRA | $405.18 | 6,274 | $2,542,096.18 | 2,126,594 | 2026-10-15 | Filing |