Twist Bioscience Corp — Director's Dealing 2021

Nov 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2021-11-02

Reporting Person: Finn Patrick John (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-02	Common Stock	M	1517	$26.66	Acquired	40778	Direct
2021-11-02	Common Stock	M	241	$23.33	Acquired	41019	Direct
2021-11-02	Common Stock	S	1758	$127.23	Disposed	39261	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-02	Employee Stock Option (right to buy)	$26.66	M	1517	Disposed	2028-11-18	Common Stock (1517)	Direct
2021-11-02	Employee Stock Option (right to buy)	$23.33	M	241	Disposed	2029-10-23	Common Stock (241)	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 September 3, 2020.

F2: 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.

F3: 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.