Insider activity at Twist Bioscience Corp has been all selling for a year now: about $148.8 million from ten sellers, and zero buyers with their own money.
Selling on its own is common and often pre-planned (10b5-1 plans, taxes, diversification), so it matters more when it is unusually heavy or broad.
7 quarters in a row of net selling by insiders. Insiders bought in 0 of the last 7 full quarters. Big money check: 336 institutions held TWST as of Q2 2026, and more funds bought than sold.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 1,017 | $202.32 | $206K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 432 | $203.61 | $88K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 290 | $204.80 | $59K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 45 | $207.46 | $9K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 1,840 | $200.44 | $369K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 481 | $201.26 | $97K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 297 | $205.78 | $61K | SEC |
| Oct 7, 2026 | Leproust Emily M. | CEO | Sell | 146 | $206.84 | $30K | SEC |
| Oct 5, 2026 | Laponis Adam | CFO | Sell | 8,057 | $188.88 | $1.5M | SEC |
| Oct 5, 2026 | Leproust Emily M. | CEO | Sell | 655 | $200.00 | $131K | SEC |
| Oct 5, 2026 | WERNER ROBERT F. | Executive Officer | Sell | 1,482 | $188.88 | $280K | SEC |
| Oct 5, 2026 | Green Paula | Executive Officer | Sell | 10,088 | $188.88 | $1.9M | SEC |
| Oct 5, 2026 | Leproust Emily M. | CEO | Sell | 45,736 | $188.88 | $8.6M | SEC |
| Oct 5, 2026 | Cho Dennis | Officer | Sell | 9,514 | $188.88 | $1.8M | SEC |
| Oct 5, 2026 | Finn Patrick John | COO | Sell | 25,714 | $188.88 | $4.9M | SEC |
In the last 12 months Twist Bioscience Corp insiders made open-market purchases worth about $0 and sales worth about $148.8 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in TWST was filed on 2026-10-07.
336 investment managers reported holding TWST in SEC Form 13F filings for Q2 2026.
No congressional trades in TWST were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).