| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For TWST | |||||
| 2026-02-12 | Laponis, Adam | Chief Financial Officer | Sold | 7000 | $50.00 |
| 2026-02-11 | Cho, Dennis | See Remarks | Sold | 5000 | $49.93 |
| 2026-02-09 | Werner, Robert F. | Chief Accounting Officer | Sold | 2000 | $0.00 |
| 2026-02-06 | Johannessen, Jan | Director | Sold | 2200 | $47.91 |
| 2026-02-05 | Crandell, Keith | Director | Purchased | 5095 | $0.00 |
| 2026-02-05 | Chan, Nelson | Director | Purchased | 5095 | $0.00 |
| 2026-02-05 | Blake, Katryn | Director | Purchased | 5095 | $0.00 |
| 2026-02-05 | Johannessen, Jan | Director | Purchased | 5095 | $0.00 |
| 2026-02-05 | Starovasnik, Melissa A. | Director | Purchased | 5095 | $0.00 |
| 2026-02-05 | Ragusa, Robert P | Director | Purchased | 5095 | $0.00 |
| 2026-02-05 | Chess, Robert | Director | Purchased | 5095 | $0.00 |
| 2026-02-04 | Werner, Robert F. | Chief Accounting Officer | Sold | 7000 | $45.65 |
| 2026-02-03 | Green, Paula | SVP of Human Resources | Sold | 1194 | $46.58 |
| 2026-02-03 | Werner, Robert F. | Chief Accounting Officer | Sold | 175 | $46.58 |
| 2026-02-03 | Finn, Patrick John | President and COO | Sold | 2705 | $46.58 |
| 2026-02-03 | Cho, Dennis | See Remarks | Sold | 1099 | $46.58 |
| 2026-02-03 | Leproust, Emily M. | Director, Chief Executive Officer | Sold | 5001 | $46.58 |
| 2026-01-23 | Finn, Patrick John | President and COO | Sold | 2390 | $44.91 |
| 2026-01-13 | Laponis, Adam | Chief Financial Officer | Sold | 3000 | $40.00 |
| 2026-01-13 | Finn, Patrick John | President and COO | Purchased | 3279 | $8.82 |