As of Nov 2, 2026: Robert W. Duggan (CEO, SMMT) reported no shares bought or sold themselves in the last 12 months (Form 4). SMMT's Quality Score is -4. Scores as of 10:25 PM ET, 15 minutes behind.

Robert W. Duggan

Co-Chief Executive Officer of Summit Therapeutics

No Form 4 from Robert W. Duggan in the last 12 months. The last one we read was dated Oct 21, 2025.

Bought$012 months Sold$012 months Last filedOct 21, 2025a Form 4

From SEC Form 4s · Insiders have 2 business days to file a trade

Every trade Robert W. Duggan reported

None in the last 12 months, as filed.

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Robert W. Duggan's companies

Where they file, with the stock's Quality Score

Company	Title, as filed	Trades	Quality Score
SMMTSummit TherapeuticsCEO	Co-Chief Executive Officerfiled Oct 21, 2025	0	-4

Alerts for Robert W. Duggan

One alert for each Form 4 they file.

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Use this page

Kept by Andrew Gomes, Breakaway's founder, from the SEC's Form 4 filings. Updated Oct 21, 2025.

Free to reuse with a link to this page.

How to cite

Breakaway, Robert W. Duggan: Co-Chief Executive Officer at SMMT, Oct 21, 2025, getbreakaway.com/insiders/robert-w-duggan

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Others who file at Summit Therapeutics

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