TWST Insider Trading Activity and SEC Form 4 Filings
TWST insider trading summary
Over the past 12 months, insiders at Twist Bioscience Corp (TWST) reported 163 sales worth $141.9M by 10 insiders and no open-market purchases on SEC Form 4. Net insider selling was $141.9M.
Latest TWST insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 3, 2026 | Robert F. Werner | Chief Accounting Officer | Sell | $20K (148 @ $135.40) |
| Nov 3, 2026 | Dennis Cho | See Remarks | Sell | $128K (949 @ $135.40) |
| Nov 3, 2026 | Emily M. Leproust | Chief Executive Officer | Sell | $619K (4,573 @ $135.40) |
| Nov 3, 2026 | Patrick John Finn | President and COO | Sell | $347K (2,565 @ $135.40) |
| Nov 3, 2026 | Paula Green | SVP of Human Resources | Sell | $136K (1,007 @ $135.40) |
| Oct 23, 2026 | Patrick John Finn | President and COO | Sell | $302K (2,245 @ $134.59) |
| Oct 9, 2026 | Adam Laponis | Chief Financial Officer | Sell | $385K (2,462 @ $156.30) |
| Oct 5, 2026 | Emily M. Leproust | Chief Executive Officer | Sell | $206K (1,017 @ $202.32) |
| Oct 5, 2026 | Emily M. Leproust | Chief Executive Officer | Sell | $369K (1,840 @ $200.44) |
| Oct 5, 2026 | Emily M. Leproust | Chief Executive Officer | Sell | $97K (481 @ $201.26) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.