Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| TWST | Cho Dennis | See Remarks | 09/08/2026 | Verkauf | 122.62 | 412 | 50,521 | Form 4 |
| TWST | Green Paula | SVP of Human Resources | 09/08/2026 | Verkauf | 122.62 | 907 | 111,220 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 09/08/2026 | Verkauf | 122.62 | 2,302 | 282,280 | Form 4 |
| TWST | Werner Robert F. | Chief Accounting Officer | 09/08/2026 | Verkauf | 122.62 | 238 | 29,185 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/25/2026 | Verkauf | 154.45 | 1,093 | 168,809 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/25/2026 | Verkauf | 153.93 | 9,181 | 1,413,204 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/25/2026 | Verkauf | 152.75 | 6,412 | 979,433 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/25/2026 | Verkauf | 151.36 | 12,236 | 1,851,980 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/25/2026 | Verkauf | 150.56 | 12,648 | 1,904,333 | Form 4 |
| TWST | Werner Robert F. | Chief Accounting Officer | 08/24/2026 | Verkauf | 140.77 | 854 | 120,220 | Form 4 |
| TWST | Cho Dennis | See Remarks | 08/21/2026 | Verkauf | 139.07 | 1,598 | 222,227 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/21/2026 | Verkauf | 139.07 | 4,046 | 562,661 | Form 4 |
| TWST | Green Paula | SVP of Human Resources | 08/21/2026 | Verkauf | 139.07 | 1,360 | 189,130 | Form 4 |
| TWST | Laponis Adam | Chief Financial Officer | 08/21/2026 | Verkauf | 139.07 | 1,965 | 273,265 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/21/2026 | Verkauf | 139.07 | 6,639 | 923,259 | Form 4 |
| TWST | Werner Robert F. | Chief Accounting Officer | 08/21/2026 | Verkauf | 139.07 | 669 | 93,035 | Form 4 |
| TWST | Cho Dennis | See Remarks | 08/19/2026 | Verkauf | 129.75 | 14,205 | 1,843,099 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 122.58 | 2,000 | 245,162 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 121.01 | 6,296 | 761,860 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 119.86 | 12,917 | 1,548,206 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 119.04 | 4,500 | 535,680 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 117.70 | 8,868 | 1,043,737 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 116.82 | 10,420 | 1,217,266 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Verkauf | 115.90 | 33,354 | 3,865,695 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/18/2026 | Optionsausübung | 67.85 | 23,355 | 1,584,637 | Form 4 |
| TWST | Blake Katryn | Director | 08/12/2026 | Verkauf | 122.88 | 2,240 | 275,251 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/12/2026 | Verkauf | 125.08 | 19,952 | 2,495,508 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/12/2026 | Optionsausübung | 26.66 | 19,952 | 531,920 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/10/2026 | Verkauf | 125.16 | 113,318 | 14,183,051 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/10/2026 | Optionsausübung | 26.66 | 113,318 | 3,021,058 | Form 4 |
| TWST | Chess Robert | Director | 08/07/2026 | Verkauf | 110.89 | 18,417 | 2,042,261 | Form 4 |
| TWST | Chess Robert | Director | 08/07/2026 | Optionsausübung | 11.89 | 18,417 | 218,978 | Form 4 |
| TWST | Cho Dennis | See Remarks | 08/05/2026 | Verkauf | 109.75 | 14,205 | 1,558,999 | Form 4 |
| TWST | Finn Patrick John | President and COO | 08/03/2026 | Verkauf | 85.32 | 2,888 | 246,408 | Form 4 |
| TWST | Green Paula | SVP of Human Resources | 08/03/2026 | Verkauf | 85.32 | 1,133 | 96,669 | Form 4 |
| TWST | Leproust Emily M. | Chief Executive Officer | 08/03/2026 | Verkauf | 85.32 | 5,101 | 435,223 | Form 4 |
| TWST | Werner Robert F. | Chief Accounting Officer | 08/03/2026 | Verkauf | 85.32 | 167 | 14,249 | Form 4 |
| TWST | Cho Dennis | See Remarks | 08/03/2026 | Verkauf | 85.32 | 1,070 | 91,294 | Form 4 |
| TWST | Finn Patrick John | President and COO | 07/23/2026 | Verkauf | 93.89 | 2,238 | 210,133 | Form 4 |
| TWST | Laponis Adam | Chief Financial Officer | 07/09/2026 | Verkauf | 94.33 | 2,399 | 226,307 | Form 4 |
| TWST | Emily M Leproust | CEO | 04/22/2026 | Verkauf | 65.29 | 8,061 | 526,303 | Form 4 |
| TWST | Emily M Leproust | CEO | 04/21/2026 | Verkauf | 65.01 | 1,610 | 104,666 | Form 4 |
| TWST | Adam Laponis | CFO | 04/17/2026 | Verkauf | 60.00 | 4,000 | 240,000 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).