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SMMT - Summit Therapeutics Inc.

Insider Purchase by Zanganeh Mahkam (Co-CEO, 10%)

6 Months
After Trade
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Trade Summary

4 months ago, Zanganeh Mahkam, serving as Co-CEO, 10% owner at Summit Therapeutics Inc. (SMMT), purchased 26,680 shares at $18.74 per share, for a total transaction value of $499,983.00. Following this transaction, Zanganeh Mahkam now holds 606,105,809 shares of SMMT.

The trade was executed on Tuesday, October 21, 2025 and publicly disclosed via SEC Form 4 filing on Thursday, October 23, 2025, 2 days after the trade was made.

Summit Therapeutics Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Zanganeh Mahkam

Co-CEO, 10%

Dr. Maky Zanganeh (also known as Mahkam Zanganeh) is the Co-CEO and President of Summit Therapeutics Inc. (SMMT), a biotech company focused on oncology drug development.[[1]](https://www.entrepreneur.com/en-ae/women-entrepreneur/we-convention-2025-dr-maky-zanganeh-co-ceo-and/499961)[[2]](https://www.wbcollaborative.org/women_leaders_ceo/mahkam-zanganeh/)[[3]](https://smmttx.com/company/leadership/default.aspx) A visionary leader in healthcare, she transitioned from dentistry to biotech, investing in and joining Pharmacyclics Inc. as an executive, where she served as COO overseeing clinical, regulatory, research, and commercial functions, playing a pivotal role in its $21 billion acquisition by AbbVie in 2015 and the success of the breakthrough drug IMBRUVICA®.[[1]](https://www.entrepreneur.com/en-ae/women-entrepreneur/we-convention-2025-dr-maky-zanganeh-co-ceo-and/499961)[[2]](https://www.wbcollaborative.org/women_leaders_ceo/mahkam-zanganeh/) Earlier, she contributed to the world's first transatlantic robotic surgery at Computer Motion and founded Maky Zanganeh and Associates in 2015.[[1]](https://www.entrepreneur.com/en-ae/women-entrepreneur/we-convention-2025-dr-maky-zanganeh-co-ceo-and/499961)[[2]](https://www.wbcollaborative.org/women_leaders_ceo/mahkam-zanganeh/) Dr. Zanganeh holds a Dental Degree of Surgery from the University of Strasbourg and an MBA from Schiller International University in France.[[2]](https://www.wbcollaborative.org/women_leaders_ceo/mahkam-zanganeh/) Joining Summit as COO in 2020 and elevated to Co-CEO, she brings expertise in oncology, surgical robotics, and drug development, and is recognized as a cancer survivor, author, UN speaker, and #23 on Forbes' America's Richest Self-Made Women list with a $1.5 billion fortune as of 2025.[[1]](https://www.entrepreneur.com/en-ae/women-entrepreneur/we-convention-2025-dr-maky-zanganeh-co-ceo-and/499961)[[2]](https://www.wbcollaborative.org/women_leaders_ceo/mahkam-zanganeh/)[[6]](https://www.youtube.com/watch?v=qNTnVRBuveY)[[7]](https://mzanganeh.com) She serves on the board of Pulse Biosciences and has received awards like Top Women in Biotech 2013.[[2]](https://www.wbcollaborative.org/women_leaders_ceo/mahkam-zanganeh/)

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Trade Price

$18.74

Quantity

26,680

Total Value

$499,983.00

Shares Owned

606,105,809

Trade Date

Tuesday, October 21, 2025

124 days ago

SEC Filing Date

Thursday, October 23, 2025

Filed 2 days after trade

HEALTHCAREBIOTECHNOLOGY

About Summit Therapeutics Inc.

Company Overview

No company information available
View news mentioning SMMT

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