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TWST - Twist Bioscience Corp

Insider Sale by Leproust Emily M. (CEO)

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Trade Summary

3 days ago, Leproust Emily M., serving as CEO at Twist Bioscience Corp (TWST), sold 9,671 shares at $65.24 per share, for a total transaction value of $630,957.00. Following this transaction, Leproust Emily M. now holds 858,887 shares of TWST.

This sale represents a 1.00% decrease in Leproust Emily M.'s stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, April 21, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, April 23, 2026, 2 days after the trade was made.

Twist Bioscience Corp operates in the HEALTHCARE sector, specifically within the DIAGNOSTICS & RESEARCH industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Leproust Emily M.

CEO

Emily M. Leproust, PhD, is the CEO and co-founder of Twist Bioscience Corporation (NASDAQ: TWST), a company specializing in high-throughput DNA synthesis and synthetic biology applications, including tools for manufacturing insulin, tackling diseases like malaria, producing materials such as spider silk, and DNA data storage.[[1]](https://en.wikipedia.org/wiki/Emily_LeProust)[[2]](https://www.genengnews.com/gen-edge/teamwork-and-twist-a-conversation-with-ceo-emily-leproust/)[[6]](https://www.twistbioscience.com/company/team) She recently engaged in insider trading at TWST as CEO, reflecting her ongoing leadership role.[user_query] Born in France, Leproust earned an M.Sc. in Industrial Chemistry from the Lyon School of Industrial Chemistry in 1995 and a PhD in Organic Chemistry and Nucleic Acids Chemistry from the University of Houston in 2001.[[1]](https://en.wikipedia.org/wiki/Emily_LeProust)[[2]](https://www.genengnews.com/gen-edge/teamwork-and-twist-a-conversation-with-ceo-emily-leproust/)[[3]](https://www.drugtargetreview.com/article/111643/women-in-stem-with-dr-emily-leproust/) Prior to founding Twist Bioscience in 2013 with Bill Banyai and Bill Peck, she spent over 13 years at Agilent Technologies, rising to Director of Applications and Chemistry R&D—Genomics, where she architected the SureSelect product line—reducing sequencing costs and aiding discovery of Mendelian disease mechanisms—and developed Oligo Library Synthesis technology while designing commercial synthesis platforms for microarray manufacturing.[[1]](https://en.wikipedia.org/wiki/Emily_LeProust)[[2]](https://www.genengnews.com/gen-edge/teamwork-and-twist-a-conversation-with-ceo-emily-leproust/)[[3]](https://www.drugtargetreview.com/article/111643/women-in-stem-with-dr-emily-leproust/)[[4]](https://www.genedx.com/leadership-team/emily-leproust/) Her career highlights include over 30 peer-reviewed publications, numerous patents on synthetic DNA applications, the 2020 BIO Rosalind Franklin Award for Leadership, recognition as one of Foreign Policy's 100 Leading Global Thinkers, and Fast Company's Most Creative People in Business; she serves on the boards of GeneDx and CM Life Sciences, and co-founded Petri, a startup accelerator for engineering biology.[[2]](https://www.genengnews.com/gen-edge/teamwork-and-twist-a-conversation-with-ceo-emily-leproust/)[[3]](https://www.drugtargetreview.com/article/111643/women-in-stem-with-dr-emily-leproust/)[[4]](https://www.genedx.com/leadership-team/emily-leproust/)

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Trade Price

$65.24

Quantity

9,671

Total Value

$630,957.00

Shares Owned

858,887

Trade Date

Tuesday, April 21, 2026

3 days ago

SEC Filing Date

Thursday, April 23, 2026

Filed 2 days after trade

HEALTHCAREDIAGNOSTICS & RESEARCH

About Twist Bioscience Corp

Company Overview

No company information available
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