Twist Bioscience Corp — Director's Dealing 2020

Dec 29, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Twist Bioscience Corp (TWST)
CIK: 0001581280
Period of Report: 2020-12-24

Reporting Person: Daniels Mark (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-24	Common Stock	M	620	$23.33	Acquired	69407	Direct
2020-12-24	Common Stock	S	620	$167.79	Disposed	68787	Direct
2020-12-28	Common Stock	M	377	$8.82	Acquired	69164	Direct
2020-12-28	Common Stock	S	377	$167.10	Disposed	68787	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-24	Employee Stock Option (right to buy)	$23.33	M	620	Disposed	2029-10-23	Common Stock (620)	Direct
2020-12-28	Employee Stock Option (right to buy)	$8.82	M	377	Disposed	2027-09-28	Common Stock (377)	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 15, 2020.

F2: 25% of the shares subject to the option vested on October 24, 2020, 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.