Patrick John Finn - 21 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: 21 Dec 2021
Net transactions value: -$13,035
Form type: 4
Filing time: 23 Dec 2021, 15:35:25 UTC
Previous filing: 06 Dec 2021
Next filing: 27 Dec 2021
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	$5,109	+219	+0.57%	$23.33	38,453	21 Dec 2021	Direct
transaction	TWST	Common Stock	Sale	$18,144	-219	-0.57%	$82.85	38,234	21 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	-219	-1.1%	$0.000000	19,985	21 Dec 2021	Common Stock	219	$23.33	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 September 3, 2020.
F2	25% of the shares subject to the option vested and became exercisable on October 24, 2020, and 1/48th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date.