| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Summit Therapeutics Inc. (SMMT) has 10 insiders with recent SEC Form 4 filings, including 16 buys and 0 sells. SMMT is classified in the Biotechnology industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 573.88M | $8.20B | +3.81M | |
| CEO | 25.82M | $368.77M | +100.0K | |
| CFO | 3.07M | $43.89M | - | |
| Dir | 35.0K | $499.8K | - | |
| Dir | 35.0K | $499.8K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | Zanganeh Mahkam84 | Co-chief Executive Officer | Buy | 3,810,000 | $13.12 | $49,987,200.00 | +0.7% | - | - | |
| Jun 4, 2026 | Duggan Robert W76 | Co-chief Executive Officer | Buy | 100,000 | $14.60 | $1,460,000.00 | +0.4% | - | - | |
| Oct 21, 2025 | Xia Yu | Director | Buy | 533,617 | $18.74 | $9,999,982.58 | +1.7% | -14.3% | - | |
| Oct 21, 2025 | Duggan Robert W76 | Co-chief Executive Officer | Buy | 26,680 | $18.74 | $499,983.20 | +53.4% | -14.3% | - | |
| Oct 21, 2025 | Zanganeh Mahkam84 | Co-chief Executive Officer | Buy | 26,680 | $18.74 | $499,983.20 | +53.4% | -14.3% | - | |
| Sep 11, 2025 | Zanganeh Mahkam84 | Co-chief Executive Officer | Buy | 338,394 | $17.69 | $5,984,755.92 | - | -3.5% | - | |
| Sep 11, 2025 | Duggan Robert W76 | Co-chief Executive Officer | Buy | 338,394 | $17.69 | $5,984,755.92 | - | -3.5% | - | |
| Mar 27, 2024 | Zanganeh Mahkam84 | Chief Executive Officer | Buy | 110,321 | $3.73 | $411,094.12 | +0.4% | +113.6% | +449.3% | |
| Mar 26, 2024 | Dhingra Ankur70 | Chief Financial Officer | Buy | 100,000 | $3.75 | $375,000.00 | +39.2% | +113.9% | +431.8% | |
| Dec 13, 2023 | Dhingra Ankur70 | Chief Financial Officer | Buy | 20,400 | $2.17 | $44,254.00 | +4.3% | +84.2% | +663.7% |