Kevin B. Yankton - 05 Aug 2021 Form 3 Insider Report for Twist Bioscience Corp (TWST)

Role: Chief Accounting Officer
Signature: /s/ William Solis, Attorney-in-Fact for Kevin B. Yankton
Issuer symbol: TWST
Transactions as of: 05 Aug 2021
Net transactions value: $0
Form type: 3
Filing time: 09 Aug 2021, 18:55:24 UTC
Next filing: 30 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	TWST	Common Stock						1,601	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
holding	TWST	Employee Stock Option (right to buy)							05 Aug 2021	Common Stock	2,551	$117.59	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 25% of the total number of RSUs vest on the first anniversary of May 17, 2021 and 1/16th of the total number of RSUs vest on each quarterly anniversary thereafter, for a total vesting period of 48 months, subject to the Reporting Person's continuous service through each vesting date.
F2	25% of the shares subject to the option vest and become exercisable on the one (1) year anniversary of May 17, 2021 and 1/48 of the shares subject to the option vest and become exercisable monthly thereafter, subject to the Reporting Person's continuous service through each vesting date.