Biller Jonathan Insider Trading Activity
Biller Jonathan has been net-selling over the last 12 months with 0 purchases and 7 sales across 1 company.
VRTX is the most-traded position with 7 trades. The largest single transaction was a sale of VRTX for $1.2M on Feb 17, 2026.
Performance Scorecard
Forward stock performance after each transaction by Biller Jonathan. 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 | — | +2.9% | 57% | 7 |
| 90 days | — | +3.4% | 71% | 7 |
| 120 days | — | -7.0% | 50% | 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 MarkersVRTX · VERTEX PHARMACEUTICALS INC / MA
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Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| VRTX | VERTEX PHARMACEUTICALS INC / MA | 7 | $4.1M |
Other insiders at VERTEX PHARMACEUTICALS INC / MA
10 other tracked filers at VRTX.