Insider Transactions Reported by 19 Insiders of Twist Bioscience Corp

Symbol
TWST on Nasdaq
Location
South San Francisco, CA

Insiders trading volume in the past year

Twist Bioscience Corp executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Emily M. Leproust Chief Executive Officer, Director $30.2M -$3.71M -10.9% 22 Dec 2025
William Banyai Senior Vice President of Advanced Development and General Manager of Data Storage $12.8M 03 May 2024
Patrick John Finn President and COO $8.82M -$3.01M -25.4% 21 Nov 2025
Paula Green SVP of Human Resources $5.76M -$961K -14.3% 22 Dec 2025
Dennis Cho Senior Vice President, Chief Legal Officer & Corporate Secretary $5M -$790K -13.6% 22 Dec 2025
KEITH CRANDELL Director $4.86M 05 Feb 2025
Adam Laponis Chief Financial Officer $3.78M -$1.09M -22.4% 21 Nov 2025
ROBERT CHESS Director $3.23M -$406K -11.2% 07 Feb 2025
JAMES M. THORBURN Chief Financial Officer $3M 02 Jan 2024
ROBERT F. WERNER Chief Accounting Officer $2.17M -$294K -11.9% 08 Dec 2025
Patrick Weiss Chief Operating Officer $1.65M 01 Apr 2022
Nelson Chan Director $1.39M 05 Feb 2025
ROBERT RAGUSA Director $1.18M 05 Feb 2025
Xiaoying Mai Director $1.09M 06 Feb 2024
Melissa A. Starovasnik Director $1.07M 05 Feb 2025
NICOLAS BARTHELEMY Director $800K 21 Nov 2022
KATRYN BLAKE Director $561K 05 Aug 2025
JAN JOHANNESSEN Director $368K -$174K -32.2% 18 Nov 2025
Kevin B. Yankton Chief Accounting Officer $317K 17 May 2023

Recent Insider Transactions by Companies or Individuals for Twist Bioscience Corp

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.