Robert W. Duggan
Chief Executive Officer at Summit Therapeutics Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Summit Therapeutics Inc., 3 years.
Summit Therapeutics Inc.
Director · Co-Chief Executive Officer
Pulse Biosciences Inc
Director
Chief executive roles
Summit Therapeutics Inc.
· Chief Executive Officer
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 18, 2024 | Pulse Biosciences Inc | In-the-money exercise | +5,187,824 | $11.00 | $57,066,064 |
| Dec 18, 2024 | Pulse Biosciences Inc | In-the-money exercise | +69,020 | $11.00 | $759,220 |
| Dec 18, 2024 | Pulse Biosciences Inc | In-the-money exercise | +49,312 | $11.00 | $542,432 |
| Dec 13, 2024 | Pulse Biosciences Inc | Open-market purchase | +55,256 | $17.18 | $949,298 |
| Dec 12, 2024 | Pulse Biosciences Inc | Open-market purchase | +45,404 | $17.13 | $777,771 |
| Dec 11, 2024 | Pulse Biosciences Inc | Open-market purchase | +6,054 | $16.74 | $101,344 |
| Dec 11, 2024 | Pulse Biosciences Inc | Open-market purchase | +50,000 | $17.42 | $871,000 |
| Sep 11, 2024 | Summit Therapeutics Inc. | Grant or award | +3,325,991 | $22.70 | $75,499,996 |
| Jul 3, 2024 | Pulse Biosciences Inc | In-the-money exercise | +5,187,824 | — | — |
| Jul 3, 2024 | Pulse Biosciences Inc | In-the-money exercise | +69,020 | — | — |
| Jul 3, 2024 | Pulse Biosciences Inc | In-the-money exercise | +49,312 | — | — |
| Dec 12, 2023 | Pulse Biosciences Inc | Open-market purchase | +17,999 | $9.15 | $164,691 |
| Dec 11, 2023 | Pulse Biosciences Inc | Open-market purchase | +90,118 | $9.36 | $843,504 |
| Dec 8, 2023 | Pulse Biosciences Inc | Open-market purchase | +116,656 | $9.54 | $1,112,898 |
| Dec 7, 2023 | Pulse Biosciences Inc | Open-market purchase | +74,852 | $9.19 | $687,890 |
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