Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Summit Therapeutics Inc. (SMMT) since 2020 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Summit Therapeutics Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1599298.
Total stock buying since 2020: $570,738,127.
Total stock sales since 2020: $321,460.
Total stock option exercises since 2020: $531,419.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 0 | $0 | 149,090 | $393,596 |
| 2024 | 210,321 | $786,053 | 0 | $0 | 0 | $0 |
| 2023 | 403,214,876 | $425,278,363 | 0 | $0 | 0 | $0 |
| 2022 | 100,694,550 | $97,673,712 | 0 | $0 | 0 | $0 |
| 2020 | 14,071,856 | $46,999,999 | 73,713 | $321,460 | 73,713 | $137,823 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-05 | 0 | $0 | 0 | $0 | 149,090 | $393,596 |
| 2024-03 | 210,321 | $786,053 | 0 | $0 | 0 | $0 |
| 2023-12 | 25,400 | $54,414 | 0 | $0 | 0 | $0 |
| 2023-10 | 2,976,190 | $4,999,999 | 0 | $0 | 0 | $0 |
| 2023-03 | 400,213,286 | $420,223,950 | 0 | $0 | 0 | $0 |
| 2022-08 | 100,694,550 | $97,673,712 | 0 | $0 | 0 | $0 |
| 2020-11 | 14,071,856 | $46,999,999 | 73,713 | $321,460 | 73,713 | $137,823 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-30 | Zanganeh Mahkam (Co-Chief Executive Officer) | Option Ex | 74,545 | 2.64 | 196,798 |
| 2025-05-30 | Duggan Robert W (Co-Chief Executive Officer) | Option Ex | 74,545 | 2.64 | 196,798 |
| 2024-03-27 | Zanganeh Mahkam (Chief Executive Officer) | Buy | 80,321 | 3.72 | 298,553 |
| 2024-03-26 | Dhingra Ankur (Chief Financial Officer) | Buy | 100,000 | 3.75 | 375,000 |
| 2024-03-26 | Zanganeh Mahkam (Chief Executive Officer) | Buy | 30,000 | 3.75 | 112,500 |
| 2023-12-13 | Dhingra Ankur (Chief Financial Officer) | Buy | 20,400 | 2.16 | 44,064 |
| 2023-12-12 | Zanganeh Mahkam (Chief Executive Officer) | Buy | 5,000 | 2.07 | 10,350 |
| 2023-10-13 | Soni Manmeet Singh (Chief Operating Officer) | Buy | 2,976,190 | 1.68 | 4,999,999 |
| 2023-03-08 | Zanganeh Mahkam (Co-Chief Executive Officer) | Buy | 23,527,044 | 1.05 | 24,703,396 |
| 2023-03-07 | Dhingra Ankur (Chief Financial Officer) | Buy | 196,362 | 1.05 | 206,180 |
| 2023-03-06 | Duggan Robert W (Chief Executive Officer) | Buy | 376,489,880 | 1.05 | 395,314,374 |
| 2022-08-16 | Dhingra Ankur (Chief Financial Officer) | Buy | 36,215 | .97 | 35,128 |
| 2022-08-16 | Zanganeh Maky (Co-CEO & President) | Buy | 5,809,132 | .97 | 5,634,858 |
| 2022-08-16 | Duggan Robert W (Chief Executive Officer) | Buy | 94,849,203 | .97 | 92,003,726 |
| 2020-11-30 | Powell David Jonathan (Chief Scientific Officer) | Sale | 13,713 | 4.44 | 60,885 |
| 2020-11-30 | Powell David Jonathan (Chief Scientific Officer) | Option Ex | 13,713 | 1.79 | 24,546 |
| 2020-11-27 | Powell David Jonathan (Chief Scientific Officer) | Sale | 29,569 | 4.39 | 129,807 |
| 2020-11-27 | Powell David Jonathan (Chief Scientific Officer) | Option Ex | 29,569 | 1.85 | 54,850 |
| 2020-11-25 | Powell David Jonathan (Chief Scientific Officer) | Sale | 12,070 | 4.32 | 52,142 |
| 2020-11-25 | Powell David Jonathan (Chief Scientific Officer) | Option Ex | 12,070 | 1.92 | 23,174 |
| 2020-11-24 | Powell David Jonathan (Chief Scientific Officer) | Sale | 11,374 | 4.21 | 47,884 |
| 2020-11-24 | Powell David Jonathan (Chief Scientific Officer) | Option Ex | 11,374 | 1.92 | 21,838 |
| 2020-11-23 | Powell David Jonathan (Chief Scientific Officer) | Sale | 6,987 | 4.40 | 30,742 |
| 2020-11-23 | Powell David Jonathan (Chief Scientific Officer) | Option Ex | 6,987 | 1.92 | 13,415 |
| 2020-11-06 | Duggan Robert W (Chief Executive Officer) | Buy | 14,071,856 | 3.34 | 46,999,999 |
Insider trading activities including stock purchases, stock sales, and option exercises of SMMT listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Summit Therapeutics Inc. (symbol SMMT, CIK number 1599298) see the Securities and Exchange Commission (SEC) website.