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Twist Bioscience Corp Director's Dealing 2021

Apr 23, 2021

31873_dirs_2021-04-23_810d25ee-516c-40d6-9077-6477377ae69f.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2021-04-21

Reporting Person: Weiss Patrick (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2021-04-21 Common Stock M 2105 $8.82 Acquired 54589 Direct
2021-04-21 Common Stock M 1974 $26.66 Acquired 56563 Direct
2021-04-21 Common Stock M 827 $25.02 Acquired 57390 Direct
2021-04-21 Common Stock S 4906 $124.42 Disposed 52484 Direct

Derivative Transactions

Date Security Exercise Price Code Shares A/D Expiration Underlying Ownership
2021-04-21 Employee Stock Option (right to buy) $8.82 M 2105 Disposed 2027-09-28 Common Stock (2105) Direct
2021-04-21 Employee Stock Option (right to buy) $26.66 M 1974 Disposed 2028-11-18 Common Stock (1974) Direct
2021-04-21 Employee Stock Option (right to buy) $25.02 M 827 Disposed 2029-12-09 Common Stock (827) Direct

Footnotes

F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 15, 2020.

F2: The option is immediately exercisable. 10% of the shares subject to the option vested on September 28, 2017, 15% of the shares subject to the option vested on September 28, 2018, and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.

F3: 20% of the shares subject to the option vested and became exercisable on October 31, 2019 and 1/60th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.

F4: 25% of the shares subject to the option vested and became exercisable on October 24, 2020 and 1/48th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.