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 |
|---|---|---|---|---|---|---|---|---|
| May 21, 2025 | May 21 7:11 PM | Green Paula | Proposed Sale | 632 | $29.75 | $18.8K | — | View → |
| May 8, 2025 | May 8 4:21 PM | Finn Patrick John | Proposed Sale | 20,000 | $32.31 | $646.3K | — | View → |
| May 7, 2025 | May 7 8:35 PM | Cho Dennis | Proposed Sale | 5,000 | $32.72 | $163.6K | — | View → |
| May 5, 2025 | May 5 8:29 PM | Finn Patrick John | Proposed Sale | 2,800 | $37.65 | $105.4K | — | View → |
| May 5, 2025 | May 5 7:31 PM | WERNER ROBERT F. | Proposed Sale | 162 | $37.65 | $6.1K | — | View → |
| May 5, 2025 | May 5 7:30 PM | Green Paula | Proposed Sale | 1,101 | $37.65 | $41.5K | — | View → |
| May 5, 2025 | May 5 7:22 PM | Cho Dennis | Proposed Sale | 689 | $37.65 | $25.9K | — | View → |
| May 5, 2025 | May 5 7:18 PM | Leproust Emily M. | Proposed Sale | 5,042 | $37.65 | $189.8K | — | View → |
| Apr 23, 2025 | Apr 23 7:17 PM | Finn Patrick John | Proposed Sale | 2,058 | $40.00 | $82.3K | — | View → |
| Apr 9, 2025 | Apr 9 7:17 PM | Laponis Adam | Proposed Sale | 2,542 | $34.97 | $88.9K | — | View → |
| Apr 2, 2025 | Apr 2 7:44 PM | Leproust Emily M. | Proposed Sale | 492 | $38.73 | $19.1K | — | View → |
| Apr 2, 2025 | Apr 2 7:29 PM | Green Paula | Proposed Sale | 140 | $38.73 | $5.4K | — | View → |
| Apr 2, 2025 | Apr 2 7:15 PM | Cho Dennis | Proposed Sale | 124 | $38.73 | $4.8K | — | View → |
| Apr 2, 2025 | Apr 2 7:15 PM | Finn Patrick John | Proposed Sale | 206 | $38.73 | $8.0K | — | View → |
| Mar 20, 2025 | Mar 20 7:59 PM | Leproust Emily M. | Proposed Sale | 1,726 | $41.68 | $71.9K | — | View → |
| Mar 20, 2025 | Mar 20 7:21 PM | Cho Dennis | Proposed Sale | 230 | $41.68 | $9.6K | — | View → |
| Mar 20, 2025 | Mar 20 7:16 PM | Green Paula | Proposed Sale | 291 | $41.68 | $12.1K | — | View → |
| Mar 14, 2025 | Mar 14 7:17 PM | Cho Dennis | Proposed Sale | 92 | $40.05 | $3.7K | — | View → |
| Mar 6, 2025 | Mar 6 8:24 PM | Leproust Emily M. | Proposed Sale | 2,402 | $40.91 | $98.3K | — | View → |
| Mar 6, 2025 | Mar 6 8:21 PM | Green Paula | Proposed Sale | 918 | $40.91 | $37.6K | — | 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 → |