ALIGN TECHNOLOGY INC — Director's Dealing 2010

Nov 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALIGN TECHNOLOGY INC (ALGN)
CIK: 0001097149
Period of Report: 2010-11-17

Reporting Person: Tan Sheila K (VP, Mktg & Chief Mktg Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-17	Common Stock	C	2500	—	Acquired	11717	Direct
2010-11-17	Common Stock	F	917	$17.68	Disposed	10800	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-17	Restricted Stock Unit	$0.0001	C	2500	Disposed		Common Stock (2500)	Direct

Footnotes

F1: Includes 2,300 shares acquired under the ALGN ESPP on July 30, 2010.

F2: Represents par value of ALGN common stock

F3: 1/4th of the restricted stock unit granted on October 1, 2008 became vested on November 17, 2010 and shares were delivered to reporting person on November 17, 2010. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.