List of insiders holdings for Twist Bioscience Corp:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Ever Alpha Fund L.P. 10% Owner | 2021-02-16 06:21:02 | 1,594,961 0 | 1,594,961 | Form 13G |
| 2 | Leproust Emily M. Chief Executive Officer | 2025-09-10 09:12:15 | 1,248,398 0 | 1,248,398 | Form 4 |
| 3 | Peck Bill Chief Technology Officer | 2019-11-05 21:28:39 | 658,022 0 | 658,022 | Form 4 |
| 4 | Banyai William See Remark | 2024-05-07 16:05:30 | 345,188 0 | 345,188 | Form 4 |
| 5 | Finn Patrick John President and COO | 2025-08-25 16:05:22 | 233,529 0 | 233,529 | Form 4 |
| 6 | Green Paula SVP of Human Resources | 2025-09-10 09:13:05 | 124,837 0 | 124,837 | Form 4 |
| 7 | Cho Dennis See Remarks | 2025-09-17 09:38:37 | 102,943 0 | 102,943 | Form 4 |
| 8 | Laponis Adam Chief Financial Officer | 2025-08-25 16:05:24 | 102,917 0 | 102,917 | Form 4 |
| 9 | CRANDELL KEITH Director | 2025-02-07 17:16:49 | 22,476 76,047 | 98,523 | Form 4 |
| 10 | THORBURN JAMES M Chief Financial Officer | 2024-01-04 16:05:15 | 86,334 0 | 86,334 | Form 4 |
| 11 | Daniels Mark See Remarks | 2021-04-07 10:50:39 | 66,736 0 | 66,736 | Form 4 |
| 12 | CHESS ROBERT Director | 2025-02-11 16:05:09 | 18,173 42,528 | 60,701 | Form 4 |
| 13 | Kunz Martin SVP, Operations | 2019-11-05 21:26:54 | 52,116 0 | 52,116 | Form 4 |
| 14 | WERNER ROBERT F. Chief Accounting Officer | 2025-09-10 09:11:23 | 48,454 0 | 48,454 | Form 4 |
| 15 | Weiss Patrick Chief Operating Officer | 2022-04-05 16:35:42 | 47,401 0 | 47,401 | Form 4 |
| 16 | BARTHELEMY NICOLAS Director | 2022-11-23 16:16:23 | 34,300 0 | 34,300 | Form 4 |
| 17 | Mai Xiaoying Director | 2024-02-09 16:10:51 | 31,057 0 | 31,057 | Form 4 |
| 18 | CHAN NELSON C Director | 2025-02-07 16:05:05 | 28,156 0 | 28,156 | Form 4 |
| 19 | RAGUSA ROBERT P Director | 2025-02-07 16:05:16 | 23,888 0 | 23,888 | Form 4 |
| 20 | JOHANNESSEN JAN Director | 2025-02-07 16:05:17 | 21,903 0 | 21,903 | Form 4 |
| 21 | Starovasnik Melissa A. Director | 2025-02-07 16:05:12 | 21,627 0 | 21,627 | Form 4 |
| 22 | BLAKE KATRYN Director | 2025-08-07 16:05:13 | 14,353 0 | 14,353 | Form 4 |
| 23 | Yankton Kevin Bruce Chief Accounting Officer | 2023-05-19 16:10:12 | 9,115 0 | 9,115 | Form 4 |
| 24 | CRAVES FRED B Director | 2019-10-09 16:31:41 | 5,590 0 | 5,590 | Form 4 |
| 25 | ARCH Venture Partners VIII LLC ARCH Venture Fund VII L.P. ARCH Venture Fund VIII Overage L.P. ARCH Venture Partners VII L.P. ARCH Venture Partners VII LLC BYBEE CLINTON NELSEN ROBERT 10% Owner | 2021-02-02 17:02:43 | 0 0 | 0 | Form 13G |
| 26 | Conley Paul A. Director | 2018-10-30 19:25:51 | 0 0 | 0 | Form 3 |