Mark Andrew Sherman Insider Trading Activity
Mark Andrew Sherman has been net-selling over the last 12 months with 0 purchases and 4 sales across 1 company.
DLB is the most-traded position with 4 trades. The largest single transaction was a sale of DLB for $449K on Dec 16, 2025.
Performance Scorecard
Forward stock performance after each transaction by Mark Andrew Sherman. 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 | — | +4.0% | 100% | 6 |
| 90 days | — | +6.1% | 100% | 6 |
| 120 days | — | +5.9% | 100% | 6 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersDLB · Dolby Laboratories, Inc.
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| DLB | Dolby Laboratories, Inc. | 6 | $2.2M |
Other insiders at Dolby Laboratories, Inc.
3 other tracked filers at DLB.