Anderson Karen M. Insider Trading Activity
Anderson Karen M. has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.
CNTA is the most-traded position with 5 trades. The largest single transaction was a sale of CNTA for $2.8M on Mar 13, 2026.
Performance Scorecard
Forward stock performance after each transaction by Anderson Karen M.. 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 | — | -41.9% | 0% | 5 |
| 90 days | — | — | — | — |
| 120 days | — | — | — | — |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersCNTA · Centessa Pharmaceuticals plc
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| Mar 26, 2026 | CNTA | Sell | 41,076 | $30.12 | $1.2M | Chief People Officer |
| Mar 17, 2026 | CNTA | Sell | 10,043 | $28.10 | $282K | Chief People Officer |
| Mar 16, 2026 | CNTA | Sell | 64,768 | $28.21 | $1.8M | Chief People Officer |
| Mar 13, 2026 | CNTA | Sell | 107,961 | $26.15 | $2.8M | Chief People Officer |
| Mar 13, 2026 | CNTA | Sell | 12,068 | $27.13 | $327K | Chief People Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CNTA | Centessa Pharmaceuticals plc | 5 | $6.5M |
Other insiders at Centessa Pharmaceuticals plc
4 other tracked filers at CNTA.