ALIGN TECHNOLOGY INC — Director's Dealing 2017

Dec 21, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2017-12-20

Reporting Person: Relic Zelko (VP, R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-12-20	Common Stock	M	7775	—	Acquired	31532	Direct
2017-12-20	Common Stock	F	4057	$233.65	Disposed	27475	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-12-20	Restricted Stock Unit	$0.0001	M	7775	Disposed		Common Stock (7775)	Direct

Footnotes

F1: Represents par value of ALGN common stock.

F2: 1/4th of the restricted stock unit granted on December 18, 2013 became vested on December 20, 2017 and shares were delivered to reporting person.