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- Ownership
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Summit Therapeutics Inc. Insider Trading
* In original currency USD
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| Transaction Date (SEC Report) |
Reporting Name | Relationship | Shrs. Owned | Type | Acq./Disp. | Shrs. Transacted | Price | Total Amount |
|---|---|---|---|---|---|---|---|---|
| Thursday, January 8th, 2026 | Anand Bhaskar | officer: Chief Accounting Officer | 30,000 | A-Award | A | 30,000 | 18.83 USD | 564,900 USD |
| Friday, January 2nd, 2026 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 11,232 | A-Award | A | 11,232 | 17.52 USD | 196,785 USD |
| Friday, January 2nd, 2026 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 11,232 | A-Award | A | 11,232 | 17.52 USD | 196,785 USD |
| Friday, January 2nd, 2026 | Booth Robert F. | director | 35,000 | A-Award | A | 35,000 | 17.52 USD | 613,200 USD |
| Friday, January 2nd, 2026 | Booth Robert F. | director | 7,180 | A-Award | A | 7,180 | 17.52 USD | 125,794 USD |
| Friday, January 2nd, 2026 | Xia Yu | director | 35,000 | A-Award | A | 35,000 | 17.52 USD | 613,200 USD |
| Friday, January 2nd, 2026 | Huber Jeff | director | 35,000 | A-Award | A | 35,000 | 17.52 USD | 613,200 USD |
| Friday, January 2nd, 2026 | Huber Jeff | director | 9,885 | A-Award | A | 9,885 | 17.52 USD | 173,185 USD |
| Friday, January 2nd, 2026 | Ronaghi Mostafa | director | 35,000 | A-Award | A | 35,000 | 17.52 USD | 613,200 USD |
| Friday, January 2nd, 2026 | Clark Kenneth A | director | 35,000 | A-Award | A | 35,000 | 17.52 USD | 613,200 USD |
| Friday, January 2nd, 2026 | Clark Kenneth A | director | 17,796 | A-Award | A | 17,796 | 17.52 USD | 311,786 USD |
| Friday, January 2nd, 2026 | Cesano Alessandra | director | 35,000 | A-Award | A | 35,000 | 17.52 USD | 613,200 USD |
| Friday, January 2nd, 2026 | Cesano Alessandra | director | 3,219 | A-Award | A | 3,219 | 17.52 USD | 56,397 USD |
| Tuesday, October 21st, 2025 | Xia Yu | director | 32,057,147 | P-Purchase | A | 533,617 | 18.74 USD | 9,999,983 USD |
| Tuesday, October 21st, 2025 | Anand Bhaskar | officer: Chief Accounting Officer | 159,751 | A-Award | A | 26,680 | 18.74 USD | 499,983 USD |
| Tuesday, October 21st, 2025 | Soni Manmeet Singh | director, officer: COO and CFO | 3,073,603 | A-Award | A | 53,361 | 18.74 USD | 999,985 USD |
| Tuesday, October 21st, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 570,073,879 | A-Award | A | 13,980,789 | 18.74 USD | 261,999,986 USD |
| Tuesday, October 21st, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 25,724,474 | A-Award | A | 266,808 | 18.74 USD | 4,999,982 USD |
| Tuesday, October 21st, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 76,680 | P-Purchase | A | 26,680 | 18.74 USD | 499,983 USD |
| Tuesday, October 21st, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 570,073,879 | A-Award | A | 13,980,789 | 18.74 USD | 261,999,986 USD |
| Tuesday, October 21st, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 25,724,474 | A-Award | A | 266,808 | 18.74 USD | 4,999,982 USD |
| Tuesday, October 21st, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 76,680 | P-Purchase | A | 26,680 | 18.74 USD | 499,983 USD |
| Thursday, September 18th, 2025 | Anand Bhaskar | officer: Chief Accounting Officer | 50,000 | A-Award | A | 50,000 | 19.23 USD | 961,500 USD |
| Thursday, September 11th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 556,093,090 | P-Purchase | A | 5,000 | 18.07 USD | 90,350 USD |
| Wednesday, September 10th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 556,088,090 | P-Purchase | A | 333,394 | 17.68 USD | 5,894,406 USD |
| Thursday, September 11th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 556,093,090 | P-Purchase | A | 5,000 | 18.07 USD | 90,350 USD |
| Wednesday, September 10th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 556,088,090 | P-Purchase | A | 333,394 | 17.68 USD | 5,894,406 USD |
| Friday, May 30th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 555,754,696 | M-Exempt | A | 74,545 | 2.64 USD | 196,799 USD |
| Friday, May 30th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 0 | M-Exempt | D | 74,545 | 2.64 USD | 196,799 USD |
| Friday, May 30th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 555,754,696 | M-Exempt | A | 74,545 | 2.64 USD | 196,799 USD |
| Friday, May 30th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 0 | M-Exempt | D | 74,545 | 2.64 USD | 196,799 USD |
| Tuesday, April 29th, 2025 | Anand Bhaskar | officer: Chief Accounting Officer | 600,000 | A-Award | A | 600,000 | 3.85 USD | 2,310,000 USD |
| Tuesday, April 29th, 2025 | Anand Bhaskar | officer: Chief Accounting Officer | 75,000 | A-Award | A | 75,000 | 17.85 USD | 1,338,750 USD |
| Tuesday, April 29th, 2025 | Soni Manmeet Singh | director, officer: COO and CFO | 11,200,000 | A-Award | A | 11,200,000 | 1.68 USD | 18,816,000 USD |
| Tuesday, April 29th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 9,590,558 | A-Award | A | 9,590,558 | 1.68 USD | 16,112,137 USD |
| Tuesday, April 29th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 1,040,000 | A-Award | A | 1,040,000 | 1.06 USD | 1,102,400 USD |
| Tuesday, April 29th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 400,000 | A-Award | A | 400,000 | 1.29 USD | 516,000 USD |
| Tuesday, April 29th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 9,590,558 | A-Award | A | 9,590,558 | 1.68 USD | 16,112,137 USD |
| Tuesday, April 29th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 1,040,000 | A-Award | A | 1,040,000 | 1.06 USD | 1,102,400 USD |
| Tuesday, April 29th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 400,000 | A-Award | A | 400,000 | 1.29 USD | 516,000 USD |
| Tuesday, April 8th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 555,680,151 | X-InTheMoney | A | 3,985,055 | 1.58 USD | 6,296,387 USD |
| Tuesday, April 8th, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 0 | X-InTheMoney | A | 3,985,055 | 1.58 USD | 6,296,387 USD |
| Tuesday, April 8th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 555,680,151 | X-InTheMoney | A | 3,985,055 | 1.58 USD | 6,296,387 USD |
| Tuesday, April 8th, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 0 | X-InTheMoney | A | 3,985,055 | 1.58 USD | 6,296,387 USD |
| Sunday, January 12th, 2025 | Anand Bhaskar | officer: Chief Accounting Officer | 75,000 | A-Award | A | 75,000 | 17.85 USD | 1,338,750 USD |
| Thursday, January 2nd, 2025 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 10,724 | A-Award | A | 10,724 | 18.35 USD | 196,785 USD |
| Thursday, January 2nd, 2025 | Zanganeh Mahkam | director, 10 percent owner, officer: Co-Chief Executive Officer | 10,724 | A-Award | A | 10,724 | 18.35 USD | 196,785 USD |
| Thursday, January 2nd, 2025 | Huber Jeff | director | 35,000 | A-Award | A | 35,000 | 18.35 USD | 642,250 USD |
| Thursday, January 2nd, 2025 | Xia Yu | director | 35,000 | A-Award | A | 35,000 | 18.35 USD | 642,250 USD |
| Thursday, January 2nd, 2025 | Xia Yu | director | 5,438 | A-Award | A | 5,438 | 18.35 USD | 99,787 USD |
| Thursday, January 2nd, 2025 | Cesano Alessandra | director | 35,000 | A-Award | A | 35,000 | 18.35 USD | 642,250 USD |
| Thursday, January 2nd, 2025 | Cesano Alessandra | director | 3,073 | A-Award | A | 3,073 | 18.35 USD | 56,390 USD |
| Thursday, January 2nd, 2025 | Ronaghi Mostafa | director | 35,000 | A-Award | A | 35,000 | 18.35 USD | 642,250 USD |
| Thursday, January 2nd, 2025 | Clark Kenneth A | director | 35,000 | A-Award | A | 35,000 | 18.35 USD | 642,250 USD |
| Thursday, January 2nd, 2025 | Clark Kenneth A | director | 16,991 | A-Award | A | 16,991 | 18.35 USD | 311,785 USD |
| Thursday, January 2nd, 2025 | Booth Robert F. | director | 35,000 | A-Award | A | 35,000 | 18.35 USD | 642,250 USD |
| Thursday, January 2nd, 2025 | Booth Robert F. | director | 6,855 | A-Award | A | 6,855 | 18.35 USD | 125,789 USD |
| Friday, October 11th, 2024 | Clark Kenneth A | director | 200,000 | A-Award | A | 200,000 | 19.95 USD | 3,990,000 USD |
| Thursday, October 3rd, 2024 | Zanganeh Mahkam | director, officer: Co-Chief Executive Officer | 10,199,776 | X-InTheMoney | A | 315,681 | 1.58 USD | 498,776 USD |
| Thursday, October 3rd, 2024 | Zanganeh Mahkam | director, officer: Co-Chief Executive Officer | 0 | X-InTheMoney | D | 315,681 | 1.58 USD | 498,776 USD |
| Wednesday, September 11th, 2024 | Zanganeh Mahkam | director, officer: Co-Chief Executive Officer | 24,967,852 | A-Award | A | 44,052 | 22.70 USD | 999,980 USD |
| Wednesday, September 11th, 2024 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 551,695,096 | A-Award | A | 3,325,991 | 22.70 USD | 75,499,996 USD |
| Wednesday, September 11th, 2024 | Huber Jeff | director | 44,052 | A-Award | A | 44,052 | 22.70 USD | 999,980 USD |
| Wednesday, September 11th, 2024 | Soni Manmeet Singh | director, officer: COO and CFO | 3,020,242 | A-Award | A | 44,052 | 22.70 USD | 999,980 USD |
| Wednesday, September 11th, 2024 | Anand Bhaskar | officer: Chief Accounting Officer | 131,426 | A-Award | A | 22,026 | 22.70 USD | 499,990 USD |
| Friday, August 23rd, 2024 | Soni Manmeet Singh | director, officer: COO and CFO | 2,800,000 | A-Award | A | 2,800,000 | 1.68 USD | 4,704,000 USD |
| Friday, August 23rd, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 2,397,640 | A-Award | A | 2,397,640 | 1.68 USD | 4,028,035 USD |
| Friday, August 23rd, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 260,000 | A-Award | A | 260,000 | 1.06 USD | 275,600 USD |
| Friday, August 23rd, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 100,000 | A-Award | A | 100,000 | 1.29 USD | 129,000 USD |
| Thursday, June 27th, 2024 | Huber Jeff | director | 217,883 | A-Award | A | 17,883 | 7.87 USD | 140,739 USD |
| Thursday, June 27th, 2024 | Huber Jeff | director | 200,000 | A-Award | A | 200,000 | 7.87 USD | 1,574,000 USD |
| Thursday, June 27th, 2024 | Huber Jeff | director | 6,000 | I | 0 | 0.00 USD | 0 USD | |
| Thursday, April 11th, 2024 | Ronaghi Mostafa | director | 225,315 | A-Award | A | 25,315 | 4.03 USD | 102,020 USD |
| Thursday, April 11th, 2024 | Ronaghi Mostafa | director | 200,000 | A-Award | A | 200,000 | 4.03 USD | 806,000 USD |
| Thursday, April 11th, 2024 | Ronaghi Mostafa | director: | 0 | 0 | 0.00 USD | 0 USD | ||
| Tuesday, April 2nd, 2024 | Soni Manmeet Singh | director, officer: Chief Operating Officer | 1,100,000 | A-Award | A | 1,100,000 | 3.85 USD | 4,235,000 USD |
| Tuesday, April 2nd, 2024 | Anand Bhaskar | officer: Chief Accounting Officer | 600,000 | A-Award | A | 600,000 | 3.85 USD | 2,310,000 USD |
| Tuesday, April 2nd, 2024 | Anand Bhaskar | officer: Chief Accounting Officer | 109,400 | D | 0 | 0.00 USD | 0 USD | |
| Wednesday, March 27th, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 24,923,800 | P-Purchase | A | 34,321 | 3.72 USD | 127,674 USD |
| Wednesday, March 27th, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 520,814 | P-Purchase | A | 26,000 | 3.72 USD | 96,720 USD |
| Wednesday, March 27th, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 50,000 | P-Purchase | A | 20,000 | 3.71 USD | 74,200 USD |
| Tuesday, March 26th, 2024 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 30,000 | P-Purchase | A | 30,000 | 3.75 USD | 112,500 USD |
| Tuesday, March 26th, 2024 | Dhingra Ankur | officer: Chief Financial Officer | 354,958 | P-Purchase | A | 100,000 | 3.75 USD | 375,000 USD |
| Sunday, December 31st, 2023 | Xia Yu | director: | 0 | 0 | 0.00 USD | 0 USD | ||
| Tuesday, January 2nd, 2024 | Cesano Alessandra | director | 56,363 | A-Award | A | 21,363 | 2.64 USD | 56,398 USD |
| Tuesday, January 2nd, 2024 | Cesano Alessandra | director | 35,000 | A-Award | A | 35,000 | 2.64 USD | 92,400 USD |
| Tuesday, January 2nd, 2024 | Booth Robert F. | director | 82,651 | A-Award | A | 47,651 | 2.64 USD | 125,799 USD |
| Tuesday, January 2nd, 2024 | Booth Robert F. | director | 35,000 | A-Award | A | 35,000 | 2.64 USD | 92,400 USD |
| Tuesday, January 2nd, 2024 | Clark Kenneth A | director | 105,492 | A-Award | A | 70,492 | 2.64 USD | 186,099 USD |
| Tuesday, January 2nd, 2024 | Clark Kenneth A | director | 35,000 | A-Award | A | 35,000 | 2.64 USD | 92,400 USD |
| Tuesday, January 2nd, 2024 | Mahatme Ujwala | director | 87,575 | A-Award | A | 52,575 | 2.64 USD | 138,798 USD |
| Tuesday, January 2nd, 2024 | Mahatme Ujwala | director | 35,000 | A-Award | A | 35,000 | 2.64 USD | 92,400 USD |
| Tuesday, January 2nd, 2024 | Xia Yu | director | 235,000 | A-Award | A | 200,000 | 2.64 USD | 528,000 USD |
| Tuesday, January 2nd, 2024 | Xia Yu | director | 35,000 | A-Award | A | 35,000 | 2.64 USD | 92,400 USD |
| Tuesday, January 2nd, 2024 | DUGGAN ROBERT W | director, 10 percent owner, officer: Co-Chief Executive Officer | 74,545 | A-Award | A | 74,545 | 2.64 USD | 196,799 USD |
| Monday, December 11th, 2023 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 24,889,479 | X-InTheMoney | A | 315,681 | 1.58 USD | 498,776 USD |
| Tuesday, December 12th, 2023 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 494,814 | P-Purchase | A | 5,000 | 2.07 USD | 10,350 USD |
| Monday, December 11th, 2023 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 489,814 | X-InTheMoney | A | 489,814 | 1.44 USD | 705,332 USD |
| Monday, December 11th, 2023 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 0 | X-InTheMoney | D | 489,814 | 1.44 USD | 705,332 USD |
| Monday, December 11th, 2023 | Zanganeh Mahkam | director, officer: Chief Executive Officer | 0 | X-InTheMoney | D | 315,681 | 1.58 USD | 498,776 USD |
