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Reporting owner

DUGGAN ROBERT W

Reporting owner CIK 0001055919 · Co-Chief Executive Officer · Director · 10% owner

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These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

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Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.DUGGAN ROBERT WDUGGAN ROBERT WDUGGAN ROBERT W · October 21, 2025 · Purchase · Common StockDUGGAN ROBERT W · October 21, 2025 · Stock award · Common StockDUGGAN ROBERT W · October 21, 2025 · Stock award · Common StockOct 21, 2025Oct 21, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

3 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 21, 2025Summit Therapeutics Inc.Common StockDUGGAN ROBERT WPurchase
Oct 21, 2025Summit Therapeutics Inc.Common StockDUGGAN ROBERT WStock award
Oct 21, 2025Summit Therapeutics Inc.Common StockDUGGAN ROBERT WStock award

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: Summit Therapeutics Inc.SMMT · company listings
DUGGAN ROBERT WCo-Chief Executive Officer · Director · 10% owner
PurchaseCommon StockNon-derivative security · Code P26,68018.74Value: 499,983.2Currency not specifiedView ↗
Trade: Summit Therapeutics Inc.SMMT · company listings
DUGGAN ROBERT WCo-Chief Executive Officer · Director · 10% owner
Stock awardCommon StockNon-derivative security · Code A266,80818.74Value: 4,999,981.92Currency not specifiedView ↗
Trade: Summit Therapeutics Inc.SMMT · company listings
DUGGAN ROBERT WCo-Chief Executive Officer · Director · 10% owner
Stock awardCommon StockNon-derivative security · Code A13,980,78918.74Value: 261,999,985.86Currency not specifiedView ↗