List of insiders holdings for Summit Therapeutics Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time |
Shares Owned Directly Indirectly |
Total Shares Owned |
Filing |
| 1 | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner |
2025-04-09 17:19:31 | 31,000 591,387,593 |
591,418,593 | Form 4 |
| 2 | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner |
2025-04-09 17:12:06 | 555,680,151 35,738,442 |
591,418,593 | Form 4 |
| 3 | Soni Manmeet Singh COO and CFO |
2024-09-13 17:29:01 | 3,020,242 0 |
3,020,242 | Form 4 |
| 4 | Stefanov Ventzislav See Remarks |
2020-09-18 16:13:00 | 1,442,173 0 |
1,442,173 | Form 3 |
| 5 | Powell David Jonathan Chief Scientific Officer |
2020-12-01 19:45:50 | 1,213,298 0 |
1,213,298 | Form 4 |
| 6 | Donaldson Michael Paul Chief Financial Officer |
2021-02-23 17:59:25 | 594,890 0 |
594,890 | Form 4 |
| 7 | Houbiers Jos Chief Medical Officer |
2020-09-18 16:16:41 | 416,800 0 |
416,800 | Form 3 |
| 8 | Gayko Urte Director |
2022-04-26 16:36:58 | 400,000 0 |
400,000 | Form 4 |
| 9 | Graham Camilla Chief Clinical Affairs Officer |
2020-10-07 19:47:55 | 400,000 0 |
400,000 | Form 4 |
| 10 | Dhingra Ankur Chief Financial Officer |
2024-03-27 20:27:03 | 0 354,958 |
354,958 | Form 4 |
| 11 | Erdtmann Rainer M Director |
2021-02-23 18:01:57 | 252,273 0 |
252,273 | Form 4 |
| 12 | Wang Luhua Director |
2021-03-02 17:36:53 | 161,096 0 |
161,096 | Form 4 |
| 13 | Mahatme Ujwala Director |
2024-01-04 16:22:08 | 122,575 0 |
122,575 | Form 4 |
| 14 | Anand Bhaskar Chief Accounting Officer |
2025-01-14 16:06:34 | 75,000 0 |
75,000 | Form 4 |
| 15 | Clark Kenneth A Director |
2025-01-06 19:05:34 | 51,991 0 |
51,991 | Form 4 |
| 16 | Booth Robert F. Director |
2025-01-06 18:57:14 | 41,855 0 |
41,855 | Form 4 |
| 17 | Xia Yu Director |
2025-01-06 19:24:29 | 40,438 0 |
40,438 | Form 4 |
| 18 | Cesano Alessandra Director |
2025-01-06 19:17:50 | 38,073 0 |
38,073 | Form 4 |
| 19 | Ronaghi Mostafa Director |
2025-01-06 19:11:22 | 35,000 0 |
35,000 | Form 4 |
| 20 | Huber Jeff Director |
2025-01-06 19:30:11 | 35,000 0 |
35,000 | Form 4 |
| 21 | Maranian Jeffrey R VP Corporate Controller |
2021-12-17 16:09:41 | 15,000 0 |
15,000 | Form 4 |