Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-10-21 Purchase | 2025-10-23 9:06 pm | Summit Therapeutics Inc. | SMMT | Xia Yu Director | 533,617 | $18.74 | $9,999,983 | 32,057,147 (Indirect) | View |
| 2025-10-21 Purchase | 2025-10-23 4:08 pm | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 26,680 | $18.74 | $499,983 | 580,381,335 (Indirect Direct) | View |
| 2025-10-21 Purchase | 2025-10-23 4:06 pm | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 26,680 | $18.74 | $499,983 | 580,304,655 (Indirect Direct) | View |
| 2025-09-10 Purchase | 2025-09-11 7:36 pm | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 338,394 | $17.69 | $5,984,756 | 591,831,532 (Indirect Direct) | View |
| 2025-09-10 Purchase | 2025-09-11 7:32 pm | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 338,394 | $17.69 | $5,984,756 | 591,831,532 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-01-08 Option Award | 2026-01-12 4:01 pm | N/A 2036-01-08 | Summit Therapeutics Inc. | SMMT | Anand Bhaskar Chief Accounting Officer | 30,000 | $0 | 30,000 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 7:52 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 11,232 | $8.76 | 11,232 (Indirect) | View |
| 2026-01-02 Option Award | 2026-01-06 7:50 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 11,232 | $8.76 | 11,232 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:55 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Booth Robert F. Director | 7,180 | $8.76 | 42,180 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:55 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Booth Robert F. Director | 35,000 | $0 | 42,180 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:52 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Xia Yu Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:49 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Huber Jeff Director | 9,885 | $8.76 | 44,885 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:49 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Huber Jeff Director | 35,000 | $0 | 44,885 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:44 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Ronaghi Mostafa Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:43 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Clark Kenneth A Director | 17,796 | $8.76 | 52,796 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:43 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Clark Kenneth A Director | 35,000 | $0 | 52,796 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:39 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Cesano Alessandra Director | 3,219 | $8.76 | 38,219 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:39 pm | N/A 2036-01-02 | Summit Therapeutics Inc. | SMMT | Cesano Alessandra Director | 35,000 | $0 | 38,219 (Direct) | View |
| 2025-10-21 Option Award | 2025-10-23 4:11 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Anand Bhaskar Chief Accounting Officer | 26,680 | $18.74 | 159,751 (Direct) | View |
| 2025-10-21 Option Award | 2025-10-23 4:10 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Soni Manmeet Singh COO and CFO | 53,361 | $18.74 | 3,073,603 (Direct) | View |
| 2025-10-21 Option Award | 2025-10-23 4:08 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 14,247,597 | $18.74 | 580,381,335 (Direct) | View |
| 2025-10-21 Option Award | 2025-10-23 4:06 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 14,247,597 | $18.74 | 580,304,655 (Indirect) | View |
| 2025-09-18 Option Award | 2025-09-19 4:45 pm | N/A 2035-09-18 | Summit Therapeutics Inc. | SMMT | Anand Bhaskar Chief Accounting Officer | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-05-30 Exercise | 2025-06-02 5:01 pm | N/A 2034-01-02 | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 74,545 | $0 | 591,493,138 (Indirect) | View |
| 2025-05-30 Exercise | 2025-06-02 5:01 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 74,545 | $2.64 | 591,493,138 (Indirect) | View |
| 2025-05-30 Exercise | 2025-06-02 4:55 pm | N/A 2034-01-02 | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 74,545 | $0 | 591,493,138 (Direct) | View |
| 2025-05-30 Exercise | 2025-06-02 4:55 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 74,545 | $2.64 | 591,493,138 (Direct) | View |
| 2025-04-29 Option Award | 2025-05-01 6:17 pm | N/A 2034-04-02 | Summit Therapeutics Inc. | SMMT | Anand Bhaskar Chief Accounting Officer | 675,000 | $0 | 675,000 (Direct) | View |
| 2025-04-29 Option Award | 2025-05-01 6:13 pm | N/A 2033-10-13 | Summit Therapeutics Inc. | SMMT | Soni Manmeet Singh COO and CFO | 11,200,000 | $0 | 11,200,000 (Direct) | View |
| 2025-04-29 Option Award | 2025-05-01 6:09 pm | N/A 2032-06-28 | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 11,030,558 | $0 | 11,030,558 (Indirect) | View |
| 2025-04-29 Option Award | 2025-05-01 6:03 pm | N/A 2032-06-28 | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 11,030,558 | $0 | 11,030,558 (Direct) | View |
| 2025-04-08 Exercise | 2025-04-09 5:19 pm | 2020-06-24 2029-12-24 | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 3,985,055 | $0 | 591,418,593 (Indirect) | View |
| 2025-04-08 Exercise | 2025-04-09 5:19 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 3,985,055 | $1.58 | 591,418,593 (Indirect) | View |
| 2025-04-08 Exercise | 2025-04-09 5:12 pm | 2020-06-24 2029-12-24 | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 3,985,055 | $0 | 591,418,593 (Direct) | View |
| 2025-04-08 Exercise | 2025-04-09 5:12 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 3,985,055 | $1.58 | 591,418,593 (Direct) | View |
| 2025-01-12 Option Award | 2025-01-14 4:06 pm | N/A 2035-01-12 | Summit Therapeutics Inc. | SMMT | Anand Bhaskar Chief Accounting Officer | 75,000 | $0 | 75,000 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:49 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 10,724 | $9.18 | 604,808,423 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:39 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer 10% Owner | 10,724 | $9.18 | 591,503,862 (Indirect) | View |
| 2025-01-02 Option Award | 2025-01-06 7:30 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Huber Jeff Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:24 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Xia Yu Director | 5,438 | $9.18 | 40,438 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:24 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Xia Yu Director | 35,000 | $0 | 40,438 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:17 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Cesano Alessandra Director | 3,073 | $9.18 | 38,073 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:17 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Cesano Alessandra Director | 35,000 | $0 | 38,073 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:11 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Ronaghi Mostafa Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:05 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Clark Kenneth A Director | 16,991 | $9.18 | 51,991 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 7:05 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Clark Kenneth A Director | 35,000 | $0 | 51,991 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 6:57 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Booth Robert F. Director | 6,855 | $9.18 | 41,855 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-06 6:57 pm | N/A 2035-01-02 | Summit Therapeutics Inc. | SMMT | Booth Robert F. Director | 35,000 | $0 | 41,855 (Direct) | View |
| 2024-10-11 Option Award | 2024-10-15 5:08 pm | N/A 2034-10-11 | Summit Therapeutics Inc. | SMMT | Clark Kenneth A Director | 200,000 | $0 | 200,000 (Direct) | View |
| 2024-10-03 Exercise | 2024-10-03 4:54 pm | 2020-06-24 2029-12-24 | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer | 315,681 | $0 | 35,738,442 (Indirect) | View |
| 2024-10-03 Exercise | 2024-10-03 4:54 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer | 315,681 | $1.58 | 35,738,442 (Indirect) | View |
| 2024-09-11 Option Award | 2024-09-13 7:29 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Zanganeh Mahkam Co-Chief Executive Officer | 44,052 | $22.7 | 35,422,761 (Indirect) | View |
| 2024-09-11 Option Award | 2024-09-13 6:25 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | DUGGAN ROBERT W Co-Chief Executive Officer 10% Owner | 3,325,991 | $22.7 | 551,695,096 (Direct) | View |
| 2024-09-11 Option Award | 2024-09-13 5:40 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Huber Jeff Director | 44,052 | $22.7 | 50,052 (Indirect) | View |
| 2024-09-11 Option Award | 2024-09-13 5:29 pm | N/A N/A | Summit Therapeutics Inc. | SMMT | Soni Manmeet Singh COO and CFO | 44,052 | $22.7 | 3,020,242 (Direct) | View |