Summit Therapeutics Inc. Common Stock

SMMT US86627T1088

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Capitalization
Large-cap

Summit Therapeutics Inc is a biopharmaceutical company that focuses on the discovery, development, and commercialization of novel antibiotics for serious infectious diseases. Its CDI (Clostridiodes difficile infection) product candidate is ridinilazole, an orally administered small molecule antibiotic. It has two geographical segments: the United States and the United Kingdom.

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Website
https://www.smmttx.com
Annual Insiders Turnover, USD 2

1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);

Insider Activity
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Transactions
12
🙍
Insiders
3
Person Price Shares Total Published Completed
Duggan Robert W
CEO 		18.07
USD 		5,000
Bought 		90,350
USD 		10/09/2025 11/09/2025
Zanganeh Mahkam
CEO 		18.07
USD 		5,000
Bought 		90,350
USD 		10/09/2025 11/09/2025
Zanganeh Mahkam
CEO 		17.68
USD 		333,394
Bought 		5,894,406
USD 		10/09/2025 10/09/2025
Duggan Robert W
CEO 		17.68
USD 		333,394
Bought 		5,894,406
USD 		10/09/2025 10/09/2025
Zanganeh Mahkam
CEO 		3.72
USD 		34,321
Bought 		127,674
USD 		26/03/2024 27/03/2024
Zanganeh Mahkam
CEO 		3.71
USD 		20,000
Bought 		74,200
USD 		26/03/2024 27/03/2024
Zanganeh Mahkam
CEO 		3.72
USD 		26,000
Bought 		96,720
USD 		26/03/2024 27/03/2024
Zanganeh Mahkam
CEO 		3.75
USD 		30,000
Bought 		112,500
USD 		26/03/2024 26/03/2024
Dhingra Ankur
CFO 		3.75
USD 		100,000
Bought 		375,000
USD 		26/03/2024 26/03/2024
Dhingra Ankur
CFO 		2.15
USD 		700
Bought 		1,505
USD 		13/12/2023 13/12/2023

Integrated EOD Stock Data and Insider Transactions Chart

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The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

 

Last 52W Low 52W High All-Time Low All-Time High β
Company Insiders
Person / Entity Transactions Turnover, USD Average, USD First Last
Zanganeh Mahkam 7 6,406,200.04 915,171.43 12/12/2023 11/09/2025
Duggan Robert W 2 5,984,755.92 2,992,377.96 10/09/2025 11/09/2025
Dhingra Ankur 3 419,254.00 139,751.33 13/12/2023 26/03/2024

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Stock Advanced Metrics
Delta Correlation subscribe 🔒
Upper Bound of Standardized Transaction Amount (ubsta), USD 4 subscribe 🔒

4 represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

5 a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.