Twist Bioscience Corp — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Green Paula | SVP of Human Resources | Tax Withholding | 228 | $52.91 | $12,063 | 22,664 | Apr 1, 2022 |
| THORBURN JAMES M | Chief Financial Officer | Tax Withholding | 457 | $52.91 | $24,180 | 46,688 | Apr 1, 2022 |
| Weiss Patrick | Chief Operating Officer | Tax Withholding | 384 | $52.91 | $20,317 | 47,401 | Apr 1, 2022 |
| Yankton Kevin Bruce | Chief Accounting Officer | Tax Withholding | 67 | $52.91 | $3,545 | 6,507 | Apr 1, 2022 |
| Banyai William | See Remarks | Sale | 318 | $53.61 | $17,048 | 262,455 | Apr 1, 2022 |
| THORBURN JAMES M | Chief Financial Officer | Sale | 180 | $53.68 | $9,662 | 47,145 | Mar 3, 2022 |
| Banyai William | See Remarks | Tax Withholding | 670 | $53.21 | $35,651 | 264,353 | Feb 22, 2022 |
| Leproust Emily M. | President & CEO | Tax Withholding | 2,837 | $53.21 | $150,957 | 194,165 | Feb 18, 2022 |
| Weiss Patrick | Chief Operating Officer | Tax Withholding | 1,124 | $53.21 | $59,808 | 47,785 | Feb 18, 2022 |
| Green Paula | SVP of Human Resources | Tax Withholding | 276 | $53.21 | $14,686 | 22,643 | Feb 18, 2022 |
| Finn Patrick John | Chief Commercial Officer | Tax Withholding | 1,027 | $53.21 | $54,647 | 42,425 | Feb 18, 2022 |
| THORBURN JAMES M | Chief Financial Officer | Option Exercise | 1,517 | $26.66 | $40,443 | 49,442 | Feb 18, 2022 |
| JOHANNESSEN JAN | — | Sale | 5,000 | $59.20 | $296,000 | 5,136 | Feb 16, 2022 |
| Yankton Kevin Bruce | Chief Accounting Officer | Tax Withholding | 75 | $77.39 | $5,804 | 6,574 | Feb 9, 2022 |
| CHAN NELSON C | — | Award / Grant | 3,491 | — | — | 9,657 | Feb 8, 2022 |
| CHESS ROBERT | — | Award / Grant | 3,491 | — | — | 54,252 | Feb 8, 2022 |
| JOHANNESSEN JAN | — | Award / Grant | 3,491 | — | — | 5,136 | Feb 8, 2022 |
| RAGUSA ROBERT P | — | Award / Grant | 3,491 | — | — | 5,389 | Feb 8, 2022 |
| CRANDELL KEITH | — | Award / Grant | 3,491 | — | — | 3,977 | Feb 8, 2022 |
| Mai Xiaoying | — | Award / Grant | 3,491 | — | — | 17,030 | Feb 8, 2022 |
| Starovasnik Melissa A. | — | Award / Grant | 3,491 | — | — | 4,860 | Feb 8, 2022 |
| BARTHELEMY NICOLAS | — | Award / Grant | 3,491 | — | — | 5,389 | Feb 8, 2022 |
| Mai Xiaoying | — | Award / Grant | 13,539 | — | — | 13,539 | Feb 7, 2022 |
| JOHANNESSEN JAN | — | Sale | 253 | $58.88 | $14,897 | 1,645 | Feb 4, 2022 |
| CHESS ROBERT | — | Sale | 253 | $58.88 | $14,897 | 50,761 | Feb 4, 2022 |
| Finn Patrick John | Chief Commercial Officer | Option Exercise | 280 | $23.33 | $6,532 | 43,732 | Feb 1, 2022 |
| Banyai William | See Remarks | Tax Withholding | 151 | $77.39 | $11,686 | 265,023 | Jan 28, 2022 |
| Cho Dennis | See Remarks | Tax Withholding | 136 | $77.39 | $10,525 | 9,421 | Jan 27, 2022 |
| Leproust Emily M. | President & CEO | Tax Withholding | 1,008 | $55.87 | $56,317 | 197,002 | Jan 24, 2022 |
| Banyai William | See Remarks | Sale | 348 | $54.73 | $19,046 | 265,174 | Jan 24, 2022 |
| Weiss Patrick | Chief Operating Officer | Tax Withholding | 288 | $55.87 | $16,091 | 48,909 | Jan 24, 2022 |
| THORBURN JAMES M | Chief Financial Officer | Tax Withholding | 302 | $55.87 | $16,873 | 48,950 | Jan 24, 2022 |
| Finn Patrick John | Chief Commercial Officer | Tax Withholding | 336 | $55.87 | $18,772 | 43,452 | Jan 24, 2022 |
| Green Paula | SVP of Human Resources | Tax Withholding | 162 | $55.87 | $9,051 | 22,919 | Jan 24, 2022 |
| Banyai William | See Remarks | Sale | 245 | $53.36 | $13,073 | 265,753 | Jan 21, 2022 |
| Green Paula | SVP of Human Resources | Tax Withholding | 116 | $77.39 | $8,977 | 23,081 | Jan 19, 2022 |
| Finn Patrick John | Chief Commercial Officer | Tax Withholding | 220 | $77.39 | $17,026 | 43,788 | Jan 18, 2022 |
| Weiss Patrick | Chief Operating Officer | Tax Withholding | 188 | $77.39 | $14,549 | 49,197 | Jan 18, 2022 |
| THORBURN JAMES M | Chief Financial Officer | Tax Withholding | 220 | $77.39 | $17,026 | 49,252 | Jan 18, 2022 |
| Leproust Emily M. | President & CEO | Sale | 286 | $60.03 | $17,169 | 198,589 | Jan 18, 2022 |
| Banyai William | See Remarks | Sale | 292 | $83.49 | $24,379 | 265,998 | Jan 3, 2022 |
| THORBURN JAMES M | Chief Financial Officer | Tax Withholding | 283 | $77.39 | $21,901 | 49,472 | Jan 3, 2022 |
| Weiss Patrick | Chief Operating Officer | Tax Withholding | 242 | $77.39 | $18,728 | 49,385 | Jan 3, 2022 |
| Finn Patrick John | Chief Commercial Officer | Tax Withholding | 283 | $77.39 | $21,901 | 44,008 | Jan 3, 2022 |
| Green Paula | SVP of Human Resources | Tax Withholding | 149 | $77.39 | $11,531 | 23,197 | Jan 3, 2022 |
| Leproust Emily M. | President & CEO | Option Exercise | 11,533 | $5.95 | $68,621 | 187,941 | Jan 3, 2022 |
| Finn Patrick John | Chief Commercial Officer | Option Exercise | 5,994 | $8.82 | $52,867 | 50,285 | Dec 29, 2021 |
| Banyai William | See Remarks | Award / Grant | 6,057 | — | — | 266,485 | Dec 27, 2021 |
| Green Paula | SVP of Human Resources | Award / Grant | 4,638 | — | — | 23,346 | Dec 27, 2021 |
| Finn Patrick John | Chief Commercial Officer | Award / Grant | 6,057 | — | — | 44,291 | Dec 27, 2021 |