| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For TWST | |||||
| 2026-04-01 | Starovasnik, Melissa A. | Director | Sold | 1000 | $51.00 |
| 2026-03-20 | Leproust, Emily M. | Director, Chief Executive Officer | Sold | 1742 | $43.79 |
| 2026-03-20 | Green, Paula | SVP of Human Resources | Sold | 297 | $43.79 |
| 2026-03-20 | Cho, Dennis | See Remarks | Sold | 354 | $43.79 |
| 2026-03-17 | Chess, Robert | Director | Sold | 10000 | $47.00 |
| 2026-03-17 | Chess, Robert | Director | Purchased | 10000 | $11.89 |
| 2026-03-17 | Chess, Robert | Director | Sold | 10000 | $0.00 |
| 2026-03-06 | Cho, Dennis | See Remarks | Sold | 425 | $46.43 |
| 2026-03-06 | Green, Paula | SVP of Human Resources | Sold | 935 | $46.43 |
| 2026-03-06 | Leproust, Emily M. | Director, Chief Executive Officer | Sold | 2423 | $46.43 |
| 2026-03-06 | Werner, Robert F. | Chief Accounting Officer | Sold | 246 | $46.43 |
| 2026-02-23 | Green, Paula | SVP of Human Resources | Sold | 1465 | $46.71 |
| 2026-02-23 | Finn, Patrick John | President and COO | Sold | 4294 | $46.71 |
| 2026-02-23 | Werner, Robert F. | Chief Accounting Officer | Sold | 1693 | $46.71 |
| 2026-02-23 | Laponis, Adam | Chief Financial Officer | Sold | 2085 | $46.71 |
| 2026-02-23 | Leproust, Emily M. | Director, Chief Executive Officer | Sold | 7205 | $46.71 |
| 2026-02-23 | Cho, Dennis | See Remarks | Sold | 844 | $46.71 |
| 2026-02-17 | Finn, Patrick John | President and COO | Sold | 16616 | $51.42 |
| 2026-02-17 | Finn, Patrick John | President and COO | Sold | 18205 | $0.00 |
| 2026-02-17 | Finn, Patrick John | President and COO | Sold | 32300 | $0.00 |