Robert W. Duggan - Co-Chief Executive Officer, Director, 10%+ Owner at Summit Therapeutics Inc.

Insider Transactions and Holdings

Entity Type
Individual
Role
Co-Chief Executive Officer, Director, 10%+ Owner
Stock Symbol
SMMT on Nasdaq
Industry
Pharmaceutical Preparations
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Robert W. Duggan - trading volume in the past year for Summit Therapeutics Inc.

Holdings reported by Robert W. Duggan for Summit Therapeutics Inc.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Common Stock 556M $10B $18.07 Sep 11, 2025 Direct
Common Stock 25.5M $627M $24.61 Sep 10, 2025 By the Mahkam Zanganeh Revocable Trust, with the Spouse of Reporting Person as Trustee
Common Stock 10.2M $251M $24.61 Sep 10, 2025 By the Shaun Zanganeh Irrevocable Trust, with the Spouse of Reporting Person as Trustee
Stock Option (right to buy) 9.59M $110M $9.18 Apr 29, 2025 By Spouse Common Stock 12M
Common Stock 50K $1.23M $24.61 Sep 10, 2025 Immediate family member of Spouse
Common Stock 31K $763K $24.61 Sep 10, 2025 By Spouse
Stock Option (right to buy) 0 $98.4K $9.18 May 30, 2025 Direct Common Stock
Performance Stock Option (right to buy) 2.4M Jan 2, 2025 By Spouse Common Stock 2.4M
Warrant (right to buy) 0 Apr 8, 2025 Direct Common Stock

Transactions reported by Robert W. Duggan for Summit Therapeutics Inc.

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.