| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Green Paula | SVP of Human Resources | C/O TWIST BIOSCIENCE CORPORATION, 681 GATEWAY BLVD., SOUTH SAN FRANCISCO | /s/ Kendra Fox, as Attorney-in-Fact for Paula Green | 20 Nov 2025 | 0001753672 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TWST | Common Stock | Award | $0 | +26,200 | +18% | $0.000000 | 168,387 | 18 Nov 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents a restricted stock unit award ("RSU") of which 1/16th of the total number of RSUs vest on each quarterly anniversary of November 20, 2025 for a total vesting period of 48 months, subject to the Reporting Person's continuous service through each vesting date. |