Emily M. Leproust $TWST SEC Form 4 Insider Trading

Emily M. Leproust has filed a total of 77 insider trades in $TWST since 2021. Their most recent trade was a sale of 31,379 shares, made on Oct 30, 2025. Their largest trade was a sale of 31,379 shares, made on Oct 30, 2025. We estimate that they now own 738,809 shares of $TWST, worth an estimated $20.0 million.

Insider Trading at $TWST

There have been a total of 358 insider trades reported at $TWST since 2021, with 18,550 shares purchased and 939,188 shares sold. The most active insider traders in $TWST stock have been William Banyai, Emily M. Leproust, and Dennis Cho. The most recent trade was a sale of 6,515 shares reported by Dennis Cho (See Remarks), made on Oct 30, 2025.

$TWST Executives and Stock Owners with Insider Trades

• William Banyai, See Remarks

• Emily M. Leproust, President & CEO

• Dennis Cho, See Remarks

• Paula Green, SVP of Human Resources

• Emily M. Leproust, Chief Executive Officer

• James M Thorburn, Chief Financial Officer

• Patrick John Finn, President and COO

• Robert F. Werner, Chief Accounting Officer

• Adam Laponis, Chief Financial Officer

• Patrick John Finn, Chief Commercial Officer

• Patrick Weiss, Chief Operating Officer

• William Banyai, See Remark

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.