Ownership Submission
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 *
SANTORA GREG 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)
26025 MUREAU ROAD
3. Date of Earliest Transaction (Month/Day/Year)
05/19/2011
(Street)

CALABASAS, CA 91302
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 05/19/2011 05/19/2011 C   3,000 A $ 0 12,000 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) 05/19/2011 05/19/2011 C     3,000   (2)   (2) Common Stock 3,000 $ 0 0 D  
Stock Option (Right to Buy) $ 24.205 05/19/2011 05/19/2011 A   10,000     (3) 05/19/2018 Common Stock 10,000 $ 0 10,000 D  
Restricted Stock Unit $ 0.0001 (1) 05/19/2011 05/19/2011 A   3,000     (4)   (4) Common Stock 3,000 $ 0 3,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SANTORA GREG J
26025 MUREAU ROAD
CALABASAS, CA 91302
  X      

Signatures

 Roger E. George Atty-in-Fact for Greg J. Santora   05/20/2011
**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) 100% of the restricted stock unit granted on May 20, 2010 became vested on May 19, 2011 and shares were delivered to reporting person on such vest date.
(3) Represents an option in which all of the shares underlying the option become vested and exercisable upon the earlier of (i) one year after the date of grant or (ii) the date of issuer's annual meeting of stockholders held in 2012.
(4) 100% of the restricted stock unit will become vested upon the earlier of (i) one year after the date of grant or (ii) the date of issuer's annual meeting of stockholders to be held in 2012. Shares will be delivered to reporting person on such vest date.

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