Open Insider Trading Activity for Summit Therapeutics Inc. Co-Chief Executive Officer Duggan Robert W
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. SMMT | 2026-06-04 | 2026-06-04 | Summit Therapeutics Inc. | Duggan Robert W | Co-Chief Executive Officer | Buy | 1 | 100,000 | $14.60 | $1,460,000.00 | 0.39% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. SMMT | 2025-10-23 | 2025-10-21 | Summit Therapeutics Inc. | Duggan Robert W | Co-Chief Executive Officer | Buy | 1 | 26,680 | $18.74 | $499,983.20 | 34.79% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. SMMT | 2025-09-11 | 2025-09-11 | Summit Therapeutics Inc. | Duggan Robert W | Co-Chief Executive Officer | Buy | 2 | 338,394 | $17.69 | $5,984,755.92 | 0.03% | View Filing |