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
Issuer Symbol
SMMT on Nasdaq
All Insider Reports
All Insider Reports

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 570,073,879 $10,683,184,492 $18.74 21 Oct 2025 Direct
Common Stock 25,724,474 $482,076,642 $18.74 21 Oct 2025 By the Mahkam Zanganeh Revocable Trust, with the Spouse of Reporting Person as Trustee
Common Stock 10,199,776 $210,727,372 $20.66 21 Oct 2025 By the Shaun Zanganeh Irrevocable Trust, with the Spouse of Reporting Person as Trustee
Stock Option (right to buy) 9,590,558 $110,051,658 $9.18 29 Apr 2025 By Spouse Common Stock 11,988,198
Common Stock 76,680 $1,436,983 $18.74 21 Oct 2025 Immediate family member of Spouse
Common Stock 31,000 $640,460 $20.66 21 Oct 2025 By Spouse
Stock Option (right to buy) 0 $98,446 $9.18 30 May 2025 Direct Common Stock
Performance Stock Option (right to buy) 2,397,640 02 Jan 2025 By Spouse Common Stock 2,397,640
Warrant (right to buy) 0 08 Apr 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.