Mark S Shapiro Insider Trading Activity
Mark S Shapiro's trading activity has been balanced over the last 12 months with 2 purchases and 2 sales across 1 company.
TKO is the most-traded position with 4 trades. The largest single transaction was a sale of TKO for $6.5M on Jan 5, 2026.
Performance Scorecard
Forward stock performance after each transaction by Mark S Shapiro. 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 | — | -1.6% | 0% | 2 |
| 90 days | — | +5.6% | 100% | 2 |
| 120 days | — | +6.8% | 100% | 2 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersTKO · TKO Group Holdings, Inc.
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| TKO | TKO Group Holdings, Inc. | 4 | $11.4M |
Other insiders at TKO Group Holdings, Inc.
4 other tracked filers at TKO.