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
Hedge Fund and Insider Trading News: Michael Burry, Warren Buffett, Ray Dalio, Ken Griffin, Balyasny Asset Management, L1 Capital, United Microelectronics Corp (UMC), BlackRock ESG Capital Allocation Term Trust (ECAT), and More
You may be concerned about the recent declines in AI stocks such as NVDA.
Insider Trading: Purchases
| Insider | Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|---|
| ARTV | $9.96 | 59,880 | $596,404.80 | 17,242,483 | 2026-07-23 | Filing | |
| ARTV | $9.93 | 84,124 | $835,351.32 | 17,182,603 | 2026-07-22 | Filing | |
| ARTV | $9.55 | 120,582 | $1,151,558.10 | 17,098,479 | 2026-07-21 | Filing | |
| ARTV | $8.94 | 6,522 | $58,306.68 | 16,817,543 | 2026-07-13 | Filing | |
| BRTMU | $10.00 | 687,500 | $6,875,000.00 | 687,500 | 2026-07-22 | Filing |
Insider Trading: Sales
| Insider | Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|---|
| DSP | $10.47 | 4,304 | $45,064.60 | 0 | 2026-07-23 | Filing | |
| DSP | $11.03 | 5,000 | $55,173.00 | 4,304 | 2026-07-22 | Filing | |
| DSP | $11.70 | 3,196 | $37,406.62 | 9,304 | 2026-07-21 | Filing | |
| DSP | $10.47 | 4,304 | $45,064.60 | 0 | 2026-07-23 | Filing | |
| DSP | $11.03 | 5,000 | $55,173.00 | 4,304 | 2026-07-22 | Filing |