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 3, 2025 | Nov 3 8:12 PM | Cho Dennis | Proposed Sale | 1,019 | $32.08 | $32.7K | — | View → |
| Oct 30, 2025 | Oct 30 8:00 PM | WERNER ROBERT F. | Proposed Sale | 1,016 | $31.44 | $31.9K | — | View → |
| Oct 30, 2025 | Oct 30 7:52 PM | Cho Dennis | Proposed Sale | 6,515 | $31.44 | $204.9K | — | View → |
| Oct 30, 2025 | Oct 30 7:50 PM | Leproust Emily M. | Proposed Sale | 31,379 | $31.44 | $986.7K | — | View → |
| Oct 30, 2025 | Oct 30 7:46 PM | Finn Patrick John | Proposed Sale | 17,606 | $31.44 | $553.6K | — | View → |
| Oct 30, 2025 | Oct 30 7:46 PM | Green Paula | Proposed Sale | 6,920 | $31.44 | $217.6K | — | View → |
| Oct 30, 2025 | Oct 30 7:43 PM | Laponis Adam | Proposed Sale | 5,517 | $31.44 | $173.5K | — | View → |
| Oct 23, 2025 | Oct 23 7:13 PM | Finn Patrick John | Proposed Sale | 2,240 | $30.87 | $69.2K | — | View → |
| Oct 9, 2025 | Oct 9 7:13 PM | Laponis Adam | Proposed Sale | 2,517 | $32.92 | $82.9K | — | View → |
| Oct 8, 2025 | Oct 8 1:50 PM | Laponis Adam | Proposed Sale | 3,000 | $31.15 | $93.5K | — | View → |
| Oct 6, 2025 | Oct 6 9:18 PM | Laponis Adam | Proposed Sale | 5,875 | $32.19 | $189.1K | — | View → |
| Oct 6, 2025 | Oct 6 9:15 PM | Leproust Emily M. | Proposed Sale | 31,348 | $32.19 | $1.0M | — | View → |
| Oct 6, 2025 | Oct 6 9:09 PM | WERNER ROBERT F. | Proposed Sale | 2,041 | $32.19 | $65.7K | — | View → |
| Oct 6, 2025 | Oct 6 8:52 PM | Finn Patrick John | Proposed Sale | 23,747 | $32.19 | $764.3K | — | View → |
| Oct 6, 2025 | Oct 6 8:41 PM | Green Paula | Proposed Sale | 9,724 | $32.19 | $313.0K | — | View → |
| Oct 6, 2025 | Oct 6 8:41 PM | Cho Dennis | Proposed Sale | 3,876 | $32.19 | $124.8K | — | View → |
| Oct 2, 2025 | Oct 2 8:33 PM | Green Paula | Proposed Sale | 140 | $29.16 | $4.1K | — | View → |
| Oct 2, 2025 | Oct 2 7:49 PM | Cho Dennis | Proposed Sale | 124 | $29.16 | $3.6K | — | View → |
| Oct 2, 2025 | Oct 2 7:35 PM | Finn Patrick John | Proposed Sale | 206 | $29.16 | $6.0K | — | View → |
| Oct 2, 2025 | Oct 2 7:21 PM | Leproust Emily M. | Proposed Sale | 476 | $29.16 | $13.9K | — | 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 → |