Twist Bioscience Corp — Director's Dealing 2020

Oct 13, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2020-10-08

Reporting Person: Weiss Patrick (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-10-08	Common Stock	M	131	$5.95	Acquired	56830	Direct
2020-10-08	Common Stock	S	131	$89.58	Disposed	56699	Direct
2020-10-08	Common Stock	M	3419	$8.82	Acquired	60118	Direct
2020-10-08	Common Stock	S	3419	$89.58	Disposed	56699	Direct
2020-10-09	Common Stock	M	131	$5.95	Acquired	56830	Direct
2020-10-09	Common Stock	S	131	$86.63	Disposed	56699	Direct
2020-10-09	Common Stock	M	3419	$8.82	Acquired	60118	Direct
2020-10-09	Common Stock	S	3419	$86.63	Disposed	56699	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-10-08	Employee Stock Option (right to buy)	$5.95	M	131	Disposed	2025-09-28	Common Stock (131)	Direct
2020-10-08	Employee Stock Option (right to buy)	$8.82	M	3419	Disposed	2027-09-28	Common Stock (3419)	Direct
2020-10-09	Employee Stock Option (right to buy)	$5.95	M	131	Disposed	2025-09-28	Common Stock (131)	Direct
2020-10-09	Employee Stock Option (right to buy)	$8.82	M	3419	Disposed	2025-09-28	Common Stock (3419)	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.

F2: The option is immediately exercisable. 25% of the shares subject to the option vested on September 1, 2016 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: 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.