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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * MORROW GEORGE J   2. Issuer Name and Ticker or Trading Symbol ALIGN TECHNOLOGY INC [ALGN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE AMGEN CENTER DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 05/15/2008 (Street) THOUSAND OAKS, CA 91320-1799 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 05/15/2008 05/15/2008 C   3,000 A $ 0 3,000 D   Common Stock 05/15/2008 05/15/2008 P   200 A $ 12.59 3,200 D   Common Stock 05/15/2008 05/15/2008 P   100 A $ 12.6 3,300 D   Common Stock 05/15/2008 05/15/2008 P   3,300 A $ 12.63 6,600 D   Common Stock 05/15/2008 05/15/2008 P   1,400 A $ 12.6297 8,000 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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)

05/15/2008

05/15/2008

C

3,000

(2)

(2)

Common Stock

3,000

$ 0

0

D

Restricted Stock Unit

$ 0.0001 (1)

05/15/2008

05/15/2008

A

3,000

(3)

(3)

Common Stock

3,000

$ 0

3,000

D

Right to Buy (Stock Option)

$ 12.89

05/15/2008

05/15/2008

A

10,000

(4)

05/15/2018

Common Stock

10,000

$ 0

10,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MORROW GEORGE J ONE AMGEN CENTER DRIVE THOUSAND OAKS, CA 91320-1799	X

Signatures

Roger E. George, Atty-in-Fact for George Morrow		05/16/2008
**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)	All of the shares subject to the Restricted Stock unit granted on May 23, 2007 became vested and exercisable on May 15, 2008. Vested shares were delivered to Reporting Person on that date.
(3)	All of the shares subject to the Restricted Stock Unit shall become vested and exercisable on the earlier of (i) one year after the date of grant or (ii) the date of the ALGN Annual Meeting of Stockholders held in 2009. Vested shares will be delivered to Reporting Person on the vest date.
(4)	Represents an option in which all of the shares subject to the option shall become vested and exercisable on the earlier of (i) one year after the date of grant or (ii) the date of the ALGN Annual Meeting of Stockholders to be held in 2009.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.