ALIGN TECHNOLOGY INC — Director's Dealing 2016

Dec 21, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2016-12-20

Reporting Person: Kolli Sreelakshmi (VP, Info Technology)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-12-20	Common Stock	M	1803	—	Acquired	17902	Direct
2016-12-20	Common Stock	F	796	$99.39	Disposed	17106	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-12-20	Restricted Stock Unit	$0.0001	M	1250	Disposed		Common Stock (1250)	Direct
2016-12-20	Restricted Stock Unit	$0.0001	M	553	Disposed		Common Stock (553)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2400	Indirect

Footnotes

F1: Represents par value of ALGN common stock

F2: 1/4th of the restricted stock unit granted on January 3, 2013 became vested on December 20, 2016 and shares were delivered to reporting person.

F3: 1/4th of the restricted stock unit granted on December 20, 2013 became vested on December 20, 2016 and shares were delivered to reporting person. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.