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Summit Therapeutics Inc. insider trading

SMMTNASDAQ
$17.27+0.52 (+3.07% today)

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-22.0%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

  • RWRobert W. DugganCo-Chief Executive Officer76.4671%of company
  • MZMahkam ZanganehCo-Chief Executive Officer76.4671%of company
  • YXYu XiaDirector4.0184%of company
  • MSManmeet Singh SoniCOO and CFO0.3916%of company
  • BABhaskar AnandChief Accounting Officer0.02%of company

AI Activity Analysis

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Insider activity

Fromto
CompanyInsider / roleActionΔOwnAvg priceAmount
SMMTMahkam ZanganehCo-Chief Executive OfficerOpen market purchase$50M+0.6%$13.12$50MJun 12, 2026Jun 12, 2026
SMMTRobert W. DugganCo-Chief Executive OfficerOpen market purchase$50M+0.6%$13.12$50MJun 12, 2026Jun 12, 2026
SMMTManmeet Singh SoniCOO and CFOOpen market purchase$361K+0.8%$14.43$361KJun 4, 2026Jun 4, 2026
SMMTManmeet Singh SoniCOO and CFOOpen market purchase$362K+0.8%$14.46$362KJun 4, 2026Jun 4, 2026
SMMTMahkam ZanganehCo-Chief Executive OfficerOpen market purchase$1.46M0.0%$14.60$1.46MJun 4, 2026Jun 4, 2026
SMMTRobert W. DugganCo-Chief Executive OfficerOpen market purchase$1.46M0.0%$14.60$1.46MJun 4, 2026Jun 4, 2026
SMMTYu XiaDirectorOpen market purchase$10M+1.7%$18.74$10MOct 21, 2025Oct 23, 2025
SMMTMahkam ZanganehCo-Chief Executive OfficerOpen market purchase$500K0.0%$18.74$500KOct 21, 2025Oct 23, 2025
SMMTRobert W. DugganCo-Chief Executive OfficerOpen market purchase$500K0.0%$18.74$500KOct 21, 2025Oct 23, 2025
End of history · 9 transactions
SpoorBase

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