ALIGN TECHNOLOGY INC — Director's Dealing 2019

May 17, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2019-05-15

Reporting Person: Thaler Warren S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-15	Common Stock	M	1042	—	Acquired	48957	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-15	Restricted Stock Unit	$0.0001	M	1042	Disposed		Common Stock (1042)	Direct
2019-05-15	Restricted Stock Units	$0.0001	A	921	Acquired		Common Stock (921)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	85084	Indirect

Footnotes

F1: Represents shares held by the Thaler Family Trust for which the spouse of the reporting person is the trustee.

F2: Represents par value of ALGN common stock.

F3: 100% of the restricted stock unit granted on May 16, 2018 became vested on May 15, 2019 and shares were delivered to reporting person on that date.

F4: 100% of the restricted stock unit will become vested on the earlier of (i) May 15, 2020 or (ii) the date of the 2020 annual meeting of stockholders. Shares will be delivered to reporting person on the vest date.