TWST insider trades & Congress trades
Twist Bioscience Corp: public insider filings and Congress disclosures, in one place.
Bourse has recorded 77 open-market insider transactions in Twist Bioscience Corp (TWST) (0 purchases with code P and 77 sales with code S), the most recent on November 3, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 75 sales by 7 ($116.8M).
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 |
|---|---|---|---|---|---|---|---|
| Nov 3, 2026 | Cho Dennis | See Remarks | Sell | 949 | $135.40 | $128K | – |
| Nov 3, 2026 | Finn Patrick John | President and COO | Sell | 2,565 | $135.40 | $347K | – |
| Nov 3, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 4,573 | $135.40 | $619K | – |
| Nov 3, 2026 | Werner Robert F. | Chief Accounting Officer | Sell | 148 | $135.40 | $20K | – |
| Nov 3, 2026 | Green Paula | SVP of Human Resources | Sell | 1,007 | $135.40 | $136K | – |
| Oct 23, 2026 | Finn Patrick John | President and COO | Sell | 2,245 | $134.59 | $302K | – |
| 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 | – |
| Oct 2, 2026 | Laponis Adam | Chief Financial Officer | Sell | 8,057 | $188.88 | $1.52M | – |
| Oct 2, 2026 | Green Paula | SVP of Human Resources | Sell | 10,088 | $188.88 | $1.91M | – |
| Oct 2, 2026 | Finn Patrick John | President and COO | Sell | 25,714 | $188.88 | $4.86M | – |
| Oct 2, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 45,736 | $188.88 | $8.64M | – |
| Oct 2, 2026 | Cho Dennis | See Remarks | Sell | 9,514 | $188.88 | $1.80M | – |
| Oct 2, 2026 | Werner Robert F. | Chief Accounting Officer | Sell | 1,482 | $188.88 | $280K | – |
| Oct 1, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 655 | $200.00 | $131K | – |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 2,485 | $175.23 | $435K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 945 | $176.39 | $167K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 164 | $177.17 | $29K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 330 | $178.67 | $59K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 143 | $179.93 | $26K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 515 | $180.39 | $93K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 21 | $181.45 | $4K | −0.2% |
| Sep 24, 2026 | Leproust Emily M. | Chief Executive Officer | Sell | 16 | $182.50 | $3K | −0.2% |
Showing the 30 most recent of 77 transactions.
Data as of November 8, 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.
See these filings as they land
Bourse collects Congress trades, SEC Form 4 insider filings and 13F fund holdings in one live feed, and flags insider buying clusters automatically. Free to start.
Bourse provides financial data and editorial information, parts of which are generated by AI. This page is for general education only. It is not personalised investment advice or a recommendation to buy or sell any financial instrument. Make your own decisions.