TWST insider trades & Congress trades
Twist Bioscience Corp: public insider filings and Congress disclosures, in one place.
Bourse has recorded 9 open-market insider transactions in Twist Bioscience Corp (TWST) (0 purchases with code P and 9 sales with code S), the most recent on October 9, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 9 sales by 2 ($1.30M).
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | Laponis Adam | Chief Financial Officer | Sell | 2,462 | $156.30 | $385K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 1,840 | $200.44 | $369K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 481 | $201.26 | $97K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 1,017 | $202.32 | $206K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 432 | $203.61 | $88K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 290 | $204.80 | $59K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 297 | $205.78 | $61K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 146 | $206.84 | $30K | – |
| Oct 5, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 45 | $207.46 | $9K | – |
Data as of October 22, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
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