Twist Bioscience Corp
TWST
83 insider filings · Latest: Aug 12, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jan 23, 2026 | Jan 27 9:05 PM | Patrick John FinnPresident and COO | Sale | 2,390 | $44.91 | $107.3K | 310,493(D) | View → |
| Jan 23, 2026 | Jan 23 8:17 PM | Finn Patrick John | Proposed Sale | 2,390 | $44.91 | $107.3K | — | View → |
| Jan 13, 2026 | Jan 13 7:46 PM | Finn Patrick John | Proposed Sale | 23,279 | $40.00 | $931.2K | — | View → |
| Jan 13, 2026 | Jan 13 7:42 PM | Laponis Adam | Proposed Sale | 3,000 | $40.00 | $120.0K | — | View → |
| Jan 9, 2026 | Jan 9 8:12 PM | Laponis Adam | Proposed Sale | 2,738 | $35.26 | $96.5K | — | View → |
| Dec 22, 2025 | Dec 22 8:22 PM | Cho Dennis | Proposed Sale | 324 | $34.56 | $11.2K | — | View → |
| Dec 22, 2025 | Dec 22 8:16 PM | Green Paula | Proposed Sale | 273 | $34.56 | $9.4K | — | View → |
| Dec 22, 2025 | Dec 22 8:11 PM | Leproust Emily M. | Proposed Sale | 1,605 | $34.56 | $55.5K | — | View → |
| Dec 8, 2025 | Dec 8 8:33 PM | Leproust Emily M. | Proposed Sale | 2,255 | $32.88 | $74.1K | — | View → |
| Dec 8, 2025 | Dec 8 8:31 PM | Cho Dennis | Proposed Sale | 398 | $32.88 | $13.1K | — | View → |
| Dec 8, 2025 | Dec 8 8:22 PM | Green Paula | Proposed Sale | 877 | $32.88 | $28.8K | — | View → |
| Dec 8, 2025 | Dec 8 8:20 PM | WERNER ROBERT F. | Proposed Sale | 230 | $32.88 | $7.6K | — | View → |
| Nov 24, 2025 | Nov 24 8:12 PM | WERNER ROBERT F. | Proposed Sale | 822 | $28.71 | $23.6K | — | View → |
| Nov 21, 2025 | Nov 21 8:36 PM | WERNER ROBERT F. | Proposed Sale | 229 | $26.50 | $6.1K | — | View → |
| Nov 21, 2025 | Nov 21 8:30 PM | Leproust Emily M. | Proposed Sale | 2,663 | $26.50 | $70.6K | — | View → |
| Nov 21, 2025 | Nov 21 8:24 PM | Laponis Adam | Proposed Sale | 887 | $26.50 | $23.5K | — | View → |
| Nov 21, 2025 | Nov 21 8:19 PM | Green Paula | Proposed Sale | 598 | $26.50 | $15.8K | — | View → |
| Nov 21, 2025 | Nov 21 8:18 PM | Finn Patrick John | Proposed Sale | 1,776 | $26.50 | $47.1K | — | View → |
| Nov 21, 2025 | Nov 21 8:14 PM | Cho Dennis | Proposed Sale | 757 | $26.50 | $20.1K | — | View → |
| Nov 18, 2025 | Nov 18 4:54 PM | JOHANNESSEN JAN | Proposed Sale | 7,044 | $24.77 | $174.5K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Aug 12, 2026 | Aug 14 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 19,952 | $26.66 | 133,269(D) | View → |
| Aug 10, 2026 | Aug 12 8:05 PM | Emily M. LeproustDirector, Chief Executive Officer | Option Exercise | 113,318 | $26.66 | 153,221(D) | View → |
| Aug 7, 2026 | Aug 11 8:05 PM | Robert ChessDirector | Option Exercise | 18,417 | $11.89 | 0(D) | View → |
| 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 → |