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 |
|---|---|---|---|---|---|---|---|---|
| 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 → |
| Jul 23, 2025 | Jul 23 7:12 PM | Finn Patrick John | Proposed Sale | 2,232 | $35.74 | $79.8K | — | View → |
| Jul 9, 2025 | Jul 9 7:34 PM | Laponis Adam | Proposed Sale | 2,449 | $38.15 | $93.4K | — | View → |
| Jul 2, 2025 | Jul 2 7:18 PM | Leproust Emily M. | Proposed Sale | 476 | $36.19 | $17.2K | — | View → |
| Jul 2, 2025 | Jul 2 7:16 PM | Cho Dennis | Proposed Sale | 125 | $36.19 | $4.5K | — | View → |
| Jul 2, 2025 | Jul 2 7:14 PM | Finn Patrick John | Proposed Sale | 209 | $36.19 | $7.6K | — | View → |
| Jul 2, 2025 | Jul 2 7:12 PM | Green Paula | Proposed Sale | 142 | $36.19 | $5.1K | — | View → |
| Jun 20, 2025 | Jun 20 7:32 PM | Cho Dennis | Proposed Sale | 230 | $35.75 | $8.2K | — | View → |
| Jun 20, 2025 | Jun 20 7:28 PM | Green Paula | Proposed Sale | 292 | $35.75 | $10.4K | — | View → |
| Jun 20, 2025 | Jun 20 7:12 PM | Leproust Emily M. | Proposed Sale | 1,678 | $35.75 | $60.0K | — | View → |
| Jun 16, 2025 | Jun 16 7:15 PM | Cho Dennis | Proposed Sale | 94 | $33.48 | $3.1K | — | View → |
| Jun 6, 2025 | Jun 6 7:28 PM | Green Paula | Proposed Sale | 853 | $31.75 | $27.1K | — | View → |
| Jun 6, 2025 | Jun 6 7:24 PM | WERNER ROBERT F. | Proposed Sale | 225 | $31.75 | $7.1K | — | View → |
| Jun 6, 2025 | Jun 6 7:18 PM | Cho Dennis | Proposed Sale | 257 | $31.75 | $8.2K | — | View → |
| Jun 6, 2025 | Jun 6 7:18 PM | Leproust Emily M. | Proposed Sale | 2,170 | $31.75 | $68.9K | — | View → |
| May 23, 2025 | May 23 7:07 PM | WERNER ROBERT F. | Proposed Sale | 839 | $27.73 | $23.3K | — | View → |
| May 21, 2025 | May 21 7:28 PM | Finn Patrick John | Proposed Sale | 1,877 | $29.75 | $55.8K | — | 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 → |