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 |
|---|---|---|---|---|---|---|---|---|
| Jan 3, 2025 | Jan 3 8:41 PM | Green Paula | Proposed Sale | 160 | $45.59 | $7.3K | — | View → |
| Jan 3, 2025 | Jan 3 8:26 PM | Finn Patrick John | Proposed Sale | 229 | $45.59 | $10.4K | — | View → |
| Dec 20, 2024 | Dec 20 8:39 PM | Green Paula | Proposed Sale | 282 | $44.90 | $12.7K | — | View → |
| Dec 20, 2024 | Dec 20 8:16 PM | Cho Dennis | Proposed Sale | 316 | $44.90 | $14.2K | — | View → |
| Dec 20, 2024 | Dec 20 8:16 PM | Leproust Emily M. | Proposed Sale | 1,654 | $44.90 | $74.3K | — | View → |
| Dec 16, 2024 | Dec 16 8:35 PM | Cho Dennis | Proposed Sale | 133 | $46.81 | $6.2K | — | View → |
| Dec 6, 2024 | Dec 6 8:29 PM | Cho Dennis | Proposed Sale | 367 | $52.70 | $19.3K | — | View → |
| Dec 6, 2024 | Dec 6 8:26 PM | Green Paula | Proposed Sale | 860 | $52.70 | $45.3K | — | View → |
| Dec 6, 2024 | Dec 6 8:25 PM | Leproust Emily M. | Proposed Sale | 2,216 | $52.70 | $116.8K | — | View → |
| Dec 6, 2024 | Dec 6 8:20 PM | WERNER ROBERT F. | Proposed Sale | 226 | $52.70 | $11.9K | — | View → |
| Dec 5, 2024 | Dec 5 8:19 PM | CHESS ROBERT | Proposed Sale | 3,504 | $51.85 | $181.7K | — | View → |
| Nov 25, 2024 | Nov 25 8:17 PM | WERNER ROBERT F. | Proposed Sale | 789 | $44.20 | $34.9K | — | View → |
| Nov 11, 2024 | Nov 12 3:23 PM | Finn Patrick John | Proposed Sale | 10,340 | $48.00 | $496.3K | — | View → |
| Nov 11, 2024 | Nov 12 2:43 PM | Cho Dennis | Proposed Sale | 1,507 | $48.00 | $72.3K | — | View → |
| Nov 11, 2024 | Nov 12 12:45 PM | Chess Robert Bruce | Proposed Sale | 3,600 | $47.26 | $170.1K | — | View → |
| Nov 6, 2024 | Nov 6 10:24 PM | Laponis Adam | Proposed Sale | 4,160 | $44.60 | $185.6K | — | View → |
| Nov 6, 2024 | Nov 6 10:14 PM | WERNER ROBERT F. | Proposed Sale | 1,448 | $44.60 | $64.6K | — | View → |
| Nov 6, 2024 | Nov 6 9:12 PM | Green Paula | Proposed Sale | 5,519 | $44.60 | $246.2K | — | View → |
| Nov 6, 2024 | Nov 6 8:57 PM | Cho Dennis | Proposed Sale | 1,811 | $44.60 | $80.8K | — | View → |
| Nov 6, 2024 | Nov 6 8:46 PM | WERNER ROBERT F. | Proposed Sale | 1,448 | $44.60 | $64.6K | — | 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 → |