TWST
Twist Bioscience Corp
NASDAQ · Healthcare · Medical - Diagnostics & Research · US
$153.39
−11.57%0
Insider buys (3m)
77
Insider sells (3m)
-$120.1M
Net value (3m)
+91.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 27, 2026 | Finn Patrick John · officer: President and COO | Sale | 2,245 | $135 |
| Oct 13, 2026 | Laponis Adam · officer: Chief Financial Officer | Sale | 2,462 | $156 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 45 | $207 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 297 | $206 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 481 | $201 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 146 | $207 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 432 | $204 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 290 | $205 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 1,017 | $202 |
| Oct 7, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 1,840 | $200 |
| Oct 5, 2026 | WERNER ROBERT F. · officer: Chief Accounting Officer | Sale | 1,482 | $189 |
| Oct 5, 2026 | Cho Dennis · officer: See Remarks | Sale | 9,514 | $189 |
| Oct 5, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 655 | $200 |
| Oct 5, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 45,736 | $189 |
| Oct 5, 2026 | Laponis Adam · officer: Chief Financial Officer | Sale | 8,057 | $189 |
| Oct 5, 2026 | Green Paula · officer: SVP of Human Resources | Sale | 10,088 | $189 |
| Oct 5, 2026 | Finn Patrick John · officer: President and COO | Sale | 25,714 | $189 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 16 | $183 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 83 | $185 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 21 | $181 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 2,485 | $175 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 330 | $179 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 515 | $180 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 143 | $180 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 164 | $177 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 945 | $176 |
| Sep 25, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 501 | $184 |
| Sep 23, 2026 | Cho Dennis · officer: See Remarks | Sale | 348 | $165 |
| Sep 23, 2026 | Green Paula · officer: SVP of Human Resources | Sale | 294 | $165 |
| Sep 23, 2026 | Leproust Emily M. · director, officer: Chief Executive Officer | Sale | 1,687 | $165 |
Institutional positioning
13F filings over the trailing two quarters
New 181Increased 191Reduced 200Sold out 33
| Filer | Action | Shares | Filed |
|---|---|---|---|
| ARTISAN PARTNERS LIMITED PARTNERSHIP | Increased | 6,367,777 | May 13, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Reduced | 6,342,733 | May 12, 2026 |
| BlackRock, Inc. | Increased | 5,833,891 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 5,554,362 | May 13, 2026 |
| EDGEPOINT INVESTMENT GROUP INC. | Increased | 5,382,521 | May 15, 2026 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | 5,269,718 | May 8, 2026 |
| Artisan Partners Limited Partnership | Reduced | 4,802,017 | Aug 13, 2026 |
| FMR LLC | Increased | 4,703,044 | Aug 13, 2026 |
| ARK Investment Management LLC | Reduced | 4,549,803 | Aug 14, 2026 |
| STATE STREET CORP | Increased | 3,670,682 | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 3,634,652 | Aug 14, 2026 |
| STATE STREET CORP | Reduced | 3,232,532 | Sep 22, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,824,989 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2,699,280 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2,649,101 | May 8, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 27, 2026