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.
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Hedge Fund and Insider Trading News: David Tepper, Bill Ackman, Ken Griffin, Warren Buffett, Elliott Management, Segantii Capital, TOMS Capital, Broadwood Capital, Aflac Inc (AFL), Slide Insurance Holdings Inc (SLDE), 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 |
|---|---|---|---|---|---|---|---|
| OTLK | $0.59 | 8,539,709 | $4,999,999.62 | 22,092,068 | 2026-05-28 | Filing | |
| QTTB | $8.00 | 625,000 | $5,000,000.00 | 625,000 | 2026-05-28 | Filing | |
| QTTB | $8.00 | 1,250,000 | $10,000,000.00 | 3,502,987 | 2026-05-28 | Filing | |
| QTTB | $8.00 | 625,000 | $5,000,000.00 | 625,000 | 2026-05-28 | Filing | |
| QTTB | $8.00 | 1,250,000 | $10,000,000.00 | 3,502,987 | 2026-05-28 | Filing |
Insider Trading: Sales
| Insider | Symbol | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
|---|---|---|---|---|---|---|---|
| TBLA | $4.40 | 12,000,000 | $52,800,000.00 | 18,039,644 | 2026-05-28 | Filing | |
| TBLA | $4.40 | 12,000,000 | $52,800,000.00 | 18,039,644 | 2026-05-28 | Filing | |
| GTX | $33.00 | 70,000 | $2,309,811.00 | 147,956 | 2026-05-29 | Filing | |
| LITE | $860.00 | 4,000 | $3,440,000.00 | 8,400 | 2026-05-29 | Filing | |
| DK | $44.04 | 1,849 | $81,420.72 | 36,148 | 2026-05-28 | Filing |