Insider Trading & Ownership of Robert W. Duggan

Location
Clearwater, FL
Summary
The estimated net worth of Robert W. Duggan is at least $12,193,842,909 dollars as of 06 Jan 2026. Robert W. Duggan is the Co-Chief Executive Officer, Director, 10%+ Owner of Summit Therapeutics Inc. and owns shares of Summit Therapeutics Inc. (SMMT) stock worth about $11.49B. Robert W. Duggan is the Director, 10%+ Owner of PULSE BIOSCIENCES, INC. and owns shares of PULSE BIOSCIENCES, INC. (PLSE) stock worth about $705.63M.
Signature
/s/ Robert W. Duggan
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Ownership of Robert W. Duggan

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
SMMT Summit Therapeutics Inc. Co-Chief Executive Officer, Director, 10%+ Owner $11,488,215,999 +$6,484,739 +0.06% 02 Jan 2026
PLSE PULSE BIOSCIENCES, INC. Director, 10%+ Owner $705,626,910 +$508,101 +0.07% 10 Sep 2025

Insider Transactions Reported by Robert W. Duggan:

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