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 |
|---|---|---|---|---|---|---|---|---|
| Sep 22, 2025 | Sep 22 7:17 PM | Leproust Emily M. | Proposed Sale | 1,704 | $27.56 | $47.0K | — | View → |
| Sep 22, 2025 | Sep 22 7:14 PM | Green Paula | Proposed Sale | 295 | $27.56 | $8.1K | — | View → |
| Sep 22, 2025 | Sep 22 7:13 PM | Cho Dennis | Proposed Sale | 233 | $27.56 | $6.4K | — | View → |
| Sep 15, 2025 | Sep 15 7:17 PM | Cho Dennis | Proposed Sale | 94 | $25.33 | $2.4K | — | View → |
| Sep 8, 2025 | Sep 8 7:32 PM | Cho Dennis | Proposed Sale | 269 | $25.76 | $6.9K | — | View → |
| Sep 8, 2025 | Sep 8 7:27 PM | Leproust Emily M. | Proposed Sale | 2,265 | $25.76 | $58.3K | — | View → |
| Sep 8, 2025 | Sep 8 7:24 PM | WERNER ROBERT F. | Proposed Sale | 235 | $25.76 | $6.1K | — | View → |
| Sep 8, 2025 | Sep 8 7:18 PM | Green Paula | Proposed Sale | 892 | $25.76 | $23.0K | — | View → |
| Aug 25, 2025 | Aug 25 7:20 PM | WERNER ROBERT F. | Proposed Sale | 853 | $27.69 | $23.6K | — | View → |
| Aug 21, 2025 | Aug 21 7:25 PM | Leproust Emily M. | Proposed Sale | 2,716 | $25.96 | $70.5K | — | View → |
| Aug 21, 2025 | Aug 21 7:19 PM | Finn Patrick John | Proposed Sale | 1,840 | $25.96 | $47.8K | — | View → |
| Aug 21, 2025 | Aug 21 7:17 PM | Green Paula | Proposed Sale | 619 | $25.96 | $16.1K | — | View → |
| Aug 21, 2025 | Aug 21 7:16 PM | Laponis Adam | Proposed Sale | 918 | $25.96 | $23.8K | — | View → |
| Aug 21, 2025 | Aug 21 7:16 PM | WERNER ROBERT F. | Proposed Sale | 238 | $25.96 | $6.2K | — | View → |
| Aug 21, 2025 | Aug 21 7:10 PM | Cho Dennis | Proposed Sale | 521 | $25.96 | $13.5K | — | View → |
| Aug 4, 2025 | Aug 4 8:21 PM | WERNER ROBERT F. | Proposed Sale | 186 | $28.36 | $5.3K | — | View → |
| Aug 4, 2025 | Aug 4 8:14 PM | Leproust Emily M. | Proposed Sale | 5,585 | $28.36 | $158.4K | — | View → |
| Aug 4, 2025 | Aug 4 8:03 PM | Green Paula | Proposed Sale | 1,255 | $28.36 | $35.6K | — | View → |
| Aug 4, 2025 | Aug 4 7:56 PM | Finn Patrick John | Proposed Sale | 3,189 | $28.36 | $90.5K | — | View → |
| Aug 4, 2025 | Aug 4 7:35 PM | Cho Dennis | Proposed Sale | 785 | $28.36 | $22.3K | — | 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 → |