Twist Bioscience Corporation
Last updated September 27, 2026
Organization details
- Legal name
- Twist Bioscience Corporation
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- TWST
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001581280
Board of directors
-
Emily M. Leproust · Director · Chief Executive OfficerSince 2023
-
Jan Johannessen · DirectorSince 2023
-
Katryn Blake · DirectorSince 2025
-
Keith Crandell · DirectorSince 2023
-
Melissa A. Starovasnik · DirectorSince 2023
-
Nelson C. Chan · DirectorSince 2023
-
Robert Chess · DirectorSince 2023
-
Robert P. Ragusa · DirectorSince 2023
-
William Banyai · Director · See RemarksSince 2023
-
Xiaoying Mai · DirectorSince 2023
Chief executives
Emily M. Leproust
· Chief Executive Officer
Dates unknown
Board connections
6 of this board's directors also sit on 11 other boards.
- via Keith Crandell
- via Robert P. Ragusa
- via Nelson C. Chan
- via Nelson C. Chan
- via Robert P. Ragusa
- via Emily M. Leproust
- via Keith Crandell
- via Robert Chess
- via Keith Crandell
- via Nelson C. Chan
- via Katryn Blake
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $131,369,464
- 182 sales by 10 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −2,485 | $175.23 | $435,450 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −945 | $176.39 | $166,690 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −164 | $177.17 | $29,056 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −330 | $178.67 | $58,961 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −143 | $179.93 | $25,730 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −515 | $180.39 | $92,901 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −21 | $181.45 | $3,810 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −16 | $182.50 | $2,920 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −501 | $183.76 | $92,066 |
| Sep 24, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −83 | $184.60 | $15,322 |
| Sep 21, 2026 | Cho Dennis Officer (See Remarks) | Open-market sale | −348 | $165.49 | $57,591 |
| Sep 21, 2026 | Green Paula Officer (SVP of Human Resources) | Open-market sale | −294 | $165.49 | $48,654 |
| Sep 21, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Open-market sale | −1,687 | $165.49 | $279,183 |
| Sep 17, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Option exercise | +133,269 | $26.66 | $3,552,952 |
| Sep 17, 2026 | Emily M. Leproust Director, Officer (Chief Executive Officer) | Option exercise | +75,439 | $8.82 | $665,372 |
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