Maky Zanganeh

Companies

• Summit TherapeuticsChief executive officer Aug 18, 2022 to now¹
• Summit TherapeuticsBoard member Nov 13, 2020 to now²
• PULSE BIOSCIENCES, INC.Board member Feb 13, 2017 to now³
• Summit TherapeuticsPresident Aug 18, 2022 to Mar 13, 2023¹
• Summit TherapeuticsChief operating officer Nov 24, 2020 to Dec 17, 2021⁴
• PharmacyclicsChief operating officer Oct 29, 2012 to May 28, 2015⁵
• PharmacyclicsChief of Staff & VP Bus. Dev. Dec 15, 2010 to May 2, 2012⁶

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• STSummit Therapeutics SMMT10,230,776 shares⁷$161.3M at $15.77Jun 12, 2026
• PBPULSE BIOSCIENCES, INC. PLSE832,469 shares⁸$39.5M at $47.44Feb 11, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 12, 2026Bought 3,810,000 shares at $13.12 of Summit Therapeutics⁷
• Jun 4, 2026Bought 100,000 shares at $14.60 of Summit Therapeutics⁹
• Oct 21, 2025Granted 13,980,789 shares at $18.74 of Summit Therapeutics¹⁰
• Oct 21, 2025Bought 26,680 shares at $18.74 of Summit Therapeutics¹⁰
• Oct 21, 2025Granted 266,808 shares at $18.74 of Summit Therapeutics¹⁰
• Sep 11, 2025Bought 5,000 shares at $18.07 of Summit Therapeutics¹¹
• Sep 10, 2025Bought 333,394 shares at $17.68 of Summit Therapeutics¹¹
• May 30, 2025Exercised options 74,545 shares at $2.64 of Summit Therapeutics¹²
• Apr 8, 2025Exercised 3,985,055 shares at $1.58 of Summit Therapeutics¹³
• Feb 3, 2025Exercised 30,121 shares at $11.00 of PULSE BIOSCIENCES, INC.⁸
• Jan 24, 2025Exercised 30,121 shares at $11.00 of PULSE BIOSCIENCES, INC.⁸
• Oct 3, 2024Exercised 315,681 shares at $1.58 of Summit Therapeutics¹⁴
• Sep 11, 2024Granted 44,052 shares at $22.70 of Summit Therapeutics¹⁵
• Jul 3, 2024Exercised 60,242 shares of PULSE BIOSCIENCES, INC.¹⁶
• Mar 27, 2024Bought 20,000 shares at $3.71 of Summit Therapeutics¹⁷
• Mar 27, 2024Bought 34,321 shares at $3.72 of Summit Therapeutics¹⁷
• Mar 27, 2024Bought 26,000 shares at $3.72 of Summit Therapeutics¹⁷
• Mar 26, 2024Bought 30,000 shares at $3.75 of Summit Therapeutics¹⁷
• Dec 12, 2023Bought 5,000 shares at $2.07 of Summit Therapeutics¹⁸
• Dec 11, 2023Exercised 315,681 shares at $1.58 of Summit Therapeutics¹⁸
• Dec 11, 2023Exercised 489,814 shares at $1.44 of Summit Therapeutics¹⁸
• Nov 13, 2023Exercised options 56,075 shares at $2.14 of PULSE BIOSCIENCES, INC.¹⁹
• Nov 13, 2023Exercised options 20,000 shares at $2.14 of PULSE BIOSCIENCES, INC.¹⁹
• Jun 9, 2023Exercised 86,668 shares at $2.05 of PULSE BIOSCIENCES, INC.²⁰
• Jun 9, 2023Exercised 86,668 shares at $2.05 of PULSE BIOSCIENCES, INC.²¹