Stuart A. Hockridge - 27 Dec 2021 Form 4 Insider Report for ALIGN TECHNOLOGY INC (ALGN)

Role: SVP Global HR
Signature: /s/ Julie Ann Coletti Attorney-in-Fact for Stuart A. Hockridge
Issuer symbol: ALGN
Transactions as of: 27 Dec 2021
Net transactions value: -$401,269
Form type: 4
Filing time: 28 Dec 2021, 16:25:01 UTC
Previous filing: 03 Aug 2021
Next filing: 24 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALGN	Common Stock	Options Exercise	$0	+1,199	+215%	$0.000000	1,756	27 Dec 2021	Direct
transaction	ALGN	Common Stock	Tax liability	$401,269	-607	-35%	$661.07	1,149	27 Dec 2021	Direct

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	ALGN	Restricted Stock Unit	Options Exercise	$0	-1,199	-100%	$0.000000^*	0	27 Dec 2021	Common Stock	1,199	$0.000100	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Represents par value of ALGN common stock.
F2	1/4th of the restricted stock unit granted on December 27, 2017 became vested on December 27, 2021 and shares were delivered to reporting person on such vest date.