Sec Form 4 Filing - BULLINGTON ELDON M @ ALIGN TECHNOLOGY INC - 2007-11-26

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 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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1. Name and Address of Reporting Person BULLINGTON ELDON M 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 AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 11/26/2007 (Street) SANTA CLARA, CA95050 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/26/2007 11/26/2007 C 1,156 A $ 0 5,496 D Common Stock 11/26/2007 11/26/2007 F 529 D $ 14.8 4,967 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 ) 11/26/2007 11/26/2007 C 1,156 ( 2 ) ( 2 ) Common Stock 1,156 $ 0 10,407 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BULLINGTON ELDON M C/O ALIGN TECHNOLOGY INC 881 MARTIN AVENUE SANTA CLARA, CA95050 VP, Finance and CFO Signatures Roger E. George, Atty-in-Fact for Eldon M. Bullington 11/27/2007 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the par value of ALGN common stock ( 2 )1/16th of the restricted stock unit granted on February 24, 2006 became vested and exercisable on November 24, 2007 and shares were delivered to the Reporting Person on November 26, 2007. The restricted stock unit will continue to vest quarterly, and vested shares will be delivered to the Reporting Person on each vest date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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