FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * AROLA KENNETH   2. Issuer Name and Ticker or Trading Symbol ALIGN TECHNOLOGY INC [ALGN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP, Finance and CFO (Last) (First) (Middle) C/O ALIGN TECHNOLOGY INC., 881 MARTIN AVE. 3. Date of Earliest Transaction (Month/Day/Year) 02/20/2008 (Street) SANTA CLARA, CA 95050 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/21/2008 02/21/2008 C   1,540 A $ 0.0001 (1) 3,218 D   Common Stock 02/21/2008 02/21/2008 F   551 D $ 13 2,667 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Unit

$ 0.0001 (1)

02/20/2008

02/20/2008

A

8,000

(2)

(2)

Common Stock

8,000

$ 0

8,000

D

Restricted Stock Unit

$ 0.0001 (1)

02/20/2008

02/20/2008

A

5,000

(3)

(3)

Common Stock

5,000

$ 0

5,000

D

Right to Buy (Common Stock)

$ 13

02/20/2008

02/20/2008

A

15,000

02/20/2009(5)

02/20/2018

Common Stock

15,000

$ 0

15,000

D

Right to Buy (Common Stock)

$ 13

02/20/2008

02/20/2008

A

24,000

02/20/2009(4)

02/20/2018

Common Stock

24,000

$ 0

24,000

D

Restricted Stock Unit

$ 0.0001 (1)

02/20/2008

02/20/2008

C

1,540

(6)

(6)

Common Stock

1,540

$ 0

4,621

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
AROLA KENNETH C/O ALIGN TECHNOLOGY INC. 881 MARTIN AVE. SANTA CLARA, CA 95050			VP, Finance and CFO

Signatures

Roger E. George, Atty-in-Fact for Kenneth Arola		02/22/2008
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents par value of ALGN Common Stock
(2)	1/3 of the restricted stock unit will become vested on February 20, 2010 and 2/3 of the restricted stock unit will become vested on February 20, 2011. Vested shares will be delivered to the reporting person on each vest date.
(3)	1/4 of the restricted stock unit will vest on February 20, 2009 and 1/6th of the restricted stock unit will vest each quarter thereafter. Vested shares will be delivered to the reporting person each vest date.
(4)	Represents an option in which 1/3 of the shares subject to the option will become vested and exercisable on February 20, 2010 and 2/3 of the shares subject to the option will become vested and exercisable on February 20, 2011.
(5)	Represents an option in which 25% of the shares subject to the option shall become vested and exercisable one year after the date of grant and 1/48th of the shares subject to the option shall become vested and exercisable each month thereafter.
(6)	1/4th of the restricted stock unit granted on February 20, 2007 became vested and exercisable on February 20, 2008 and shares were delivered to the reporting person on February 21, 2008. The restricted stock unit will continue to vest quarterly, and vested shares will be delivered to the reporting person on each vest date.

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