Patrick John Finn - 29 Dec 2021 Form 4 Insider Report for Twist Bioscience Corp (TWST)

Role: Chief Commercial Officer
Signature: /s/ William Solis, as Attorney-in-Fact for Patrick John Finn
Issuer symbol: TWST
Transactions as of: 29 Dec 2021
Net transactions value: -$400,399
Form type: 4
Filing time: 30 Dec 2021, 16:00:55 UTC
Previous filing: 29 Dec 2021
Next filing: 05 Jan 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	Options Exercise	$52,867	+5,994	+14%	$8.82	50,285	29 Dec 2021	Direct
transaction	TWST	Common Stock	Sale	$453,266	-5,994	-12%	$75.62	44,291	29 Dec 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)	Options Exercise	$0	-5,994	-65%	$0.000000	3,279	29 Dec 2021	Common Stock	5,994	$8.82	Direct	F2

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

Explanation of Responses:

Id	Content
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 August 16, 2021.
F2	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.