Twist Bioscience Corp — Director's Dealing 2021

Apr 26, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2021-04-22

Reporting Person: THORBURN JAMES M (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-22	Common Stock	M	5000	$11.59	Acquired	53034	Direct
2021-04-22	Common Stock	S	5000	$133.47	Disposed	48034	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-22	Employee Stock Option (right to buy)	$11.59	M	5000	Disposed	2028-06-06	Common Stock (5000)	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 16, 2020.

F2: The option is immediately exercisable. 25% of the shares subject to the option vested on April 23, 2019, 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.