Twist Bioscience Corp
TWST
71 insider filings · Latest: Jun 25, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Nov 6, 2024 | Nov 6 8:34 PM | Finn Patrick John | Proposed Sale | 6,239 | $44.60 | $278.3K | — | View → |
| Nov 4, 2024 | Nov 4 8:44 PM | Green Paula | Proposed Sale | 1,057 | $41.56 | $43.9K | — | View → |
| Nov 4, 2024 | Nov 4 8:37 PM | Cho Dennis | Proposed Sale | 659 | $41.56 | $27.4K | — | View → |
| Nov 4, 2024 | Nov 4 8:26 PM | WERNER ROBERT F. | Proposed Sale | 156 | $41.56 | $6.5K | — | View → |
| Nov 4, 2024 | Nov 4 8:15 PM | Finn Patrick John | Proposed Sale | 2,681 | $41.56 | $111.4K | — | View → |
| Oct 23, 2024 | Oct 23 7:28 PM | Finn Patrick John | Proposed Sale | 2,261 | $43.09 | $97.4K | — | View → |
| Oct 9, 2024 | Oct 9 7:12 PM | Laponis Adam | Proposed Sale | 856 | $41.81 | $35.8K | — | View → |
| Oct 2, 2024 | Oct 2 9:01 PM | Green Paula | Proposed Sale | 3,310 | $43.21 | $143.0K | — | View → |
| Oct 2, 2024 | Oct 2 8:44 PM | Cho Dennis | Proposed Sale | 3,104 | $43.21 | $134.1K | — | View → |
| Oct 2, 2024 | Oct 2 8:36 PM | Leproust Emily M. | Proposed Sale | 13,605 | $43.21 | $587.9K | — | View → |
| Oct 2, 2024 | Oct 2 8:33 PM | Finn Patrick John | Proposed Sale | 6,865 | $43.21 | $296.6K | — | View → |
| Sep 20, 2024 | Sep 20 7:29 PM | Green Paula | Proposed Sale | 297 | $46.94 | $13.9K | — | View → |
| Sep 20, 2024 | Sep 20 7:28 PM | Leproust Emily M. | Proposed Sale | 1,730 | $46.94 | $81.2K | — | View → |
| Sep 20, 2024 | Sep 20 7:08 PM | Cho Dennis | Proposed Sale | 234 | $46.94 | $11.0K | — | View → |
| Sep 16, 2024 | Sep 16 7:33 PM | Cho Dennis | Proposed Sale | 94 | $46.42 | $4.4K | — | View → |
| Sep 6, 2024 | Sep 6 7:27 PM | WERNER ROBERT F. | Proposed Sale | 240 | $39.16 | $9.4K | — | View → |
| Sep 6, 2024 | Sep 6 7:26 PM | Green Paula | Proposed Sale | 912 | $39.16 | $35.7K | — | View → |
| Sep 6, 2024 | Sep 6 7:19 PM | Cho Dennis | Proposed Sale | 275 | $39.16 | $10.8K | — | View → |
| Sep 6, 2024 | Sep 6 7:16 PM | Leproust Emily M. | Proposed Sale | 2,340 | $39.16 | $91.6K | — | View → |
| Aug 23, 2024 | Aug 23 7:21 PM | WERNER ROBERT F. | Proposed Sale | 813 | $43.14 | $35.1K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | Jun 17 8:05 PM | Paula GreenSVP of Human Resources | Option Exercise | 26,137 | $23.33 | 0(D) | View → |
| May 28, 2026 | Jun 1 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 16,470 | $8.82 | 75,439(D) | View → |
| May 27, 2026 | May 28 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 25,017 | $8.82 | 91,909(D) | View → |
| May 26, 2026 | May 28 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 24,282 | $8.82 | 116,926(D) | View → |
| May 12, 2026 | May 14 8:05 PM | Jan JohannessenDirector | Option Exercise | 12,000 | $14.00 | 10,304(D) | View → |
| Apr 22, 2026 | Apr 23 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 8,061 | $8.82 | 141,208(D) | View → |
| Apr 21, 2026 | Apr 23 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 1,610 | $8.82 | 149,269(D) | View → |
| Mar 17, 2026 | Mar 19 8:05 PM | Robert ChessDirector | Option Exercise | 10,000 | $11.89 | 18,417(D) | View → |
| Feb 17, 2026 | Feb 19 9:05 PM | Patrick John FinnPresident and COO | Option Exercise | 50,505 | $26.66 | 0(D) | View → |
| Feb 13, 2026 | Feb 17 9:25 PM | Patrick John FinnPresident and COO | Option Exercise | 1,212 | $26.66 | 18,052(D) | View → |
| Feb 12, 2026 | Feb 17 9:25 PM | Patrick John FinnPresident and COO | Option Exercise | 2,500 | $26.66 | 18,705(D) | View → |