Twist Bioscience Corp (TWST) insider trading
Every open-market stock purchase and sale by Twist Bioscience Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Emily M. Leproust (CEO) and 7 others sold $120M in the last 90 days.
- Last insider buy: Dennis Cho (Insider), $132K, 3 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $149M (131 sales). Last close $135.47 on Oct 22, 2026.
Recent TWST insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 9, 2026 | Adam Laponis (CFO) | Sold | $385K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $369K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $206K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $96.8K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $88K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $61.1K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $59.4K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $30.2K |
| Oct 5, 2026 | Emily M. Leproust (CEO) | Sold | $9.3K |
| Oct 2, 2026 | Emily M. Leproust (CEO) | Sold | $8.6M |
| Oct 2, 2026 | Patrick John Finn (COO) | Sold | $4.9M |
| Oct 2, 2026 | Paula Green (VP) | Sold | $1.9M |
| Oct 2, 2026 | Dennis Cho (Insider) | Sold | $1.8M |
| Oct 2, 2026 | Adam Laponis (CFO) | Sold | $1.5M |
| Oct 2, 2026 | Robert F. Werner (C-suite exec) | Sold | $280K |
| Oct 1, 2026 | Emily M. Leproust (CEO) | Sold | $131K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $435K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $167K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $92.9K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $92.1K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $59K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $29.1K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $25.7K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $15.3K |
| Sep 24, 2026 | Emily M. Leproust (CEO) | Sold | $3.8K |
Who's trading TWST
- Adam Laponis, CFO: sold $4.2M (15 sales), last Oct 9, 2026
- Emily M. Leproust, CEO: sold $102M (68 sales), last Oct 5, 2026
- Robert F. Werner, C-suite exec: sold $1.5M (20 sales), last Oct 2, 2026
- Dennis Cho, Insider: sold $8.8M (23 sales), last Oct 2, 2026
- Patrick John Finn, COO: sold $21.6M (28 sales), last Oct 2, 2026
- Paula Green, VP: sold $7.3M (21 sales), last Oct 2, 2026
- Katryn Blake, Insider: sold $275K (1 sale), last Aug 12, 2026
- Robert Chess, Insider: sold $2.6M (3 sales), last Aug 7, 2026
- Melissa A. Starovasnik, Insider: sold $282K (4 sales), last May 28, 2026
- Jan Johannessen, Insider: sold $953K (3 sales), last May 12, 2026
- Nelson Chan, Insider: other filings, last Feb 5, 2026
- Robert P Ragusa, Insider: other filings, last Feb 5, 2026
- Keith Crandell, Insider: other filings, last Feb 5, 2026
Get free alerts when an insider at Twist Bioscience Corp files a new trade →