Melissa A. Starovasnik - 05 Aug 2021 Form 4 Insider Report for Twist Bioscience Corp (TWST)

Role: Director
Signature: /s/ William Solis, as Attorney-in-Fact for Melissa A. Starovasnik
Issuer symbol: TWST
Transactions as of: 05 Aug 2021
Net transactions value: $0
Form type: 4
Filing time: 10 Aug 2021, 17:00:25 UTC
Next filing: 10 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TWST	Common Stock	Award	$0	+1,369		$0.000000	1,369	05 Aug 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TWST	Employee Stock Option (right to buy)	Award	$0	+2,739		$0.000000	2,739	05 Aug 2021	Common Stock	2,739	$124.12	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents a restricted stock unit award ("RSU") of which 1/3rd of the total number of RSUs vest on each anniversary of August 5, 2021, for a total vesting period of 3 years, subject to the Reporting Person's continuous service through each vesting date.
F2	1/3 of the shares subject to the option vest and become exercisable on the first anniversary of August 5, 2021, and 1/3rd of the shares subject to the option vest and become exercisable on each anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.