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 *
Mack Timothy A
   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, Bus Dev
(Last)
(First)
(Middle)
C/O ALIGN TECHNOLOGY INC., 2560 ORCHARD PARKWAY		 3. Date of Earliest Transaction (Month/Day/Year)
02/20/2016
(Street)

SAN JOSE, CA 95131		 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 02/20/2016 02/20/2016 M   54,837 A $ 0 54,968 (1) D  
Common Stock 02/20/2016 02/20/2016 F   26,584 D $ 63.29 28,384 D  
Common Stock 02/23/2016 02/23/2016 S   28,384 D $ 63.245 (2) 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (3) 02/20/2016 02/20/2016 M     2,000   (4)   (4) Common Stock 2,000 $ 0 0 D  
Restricted Stock Unit $ 0.0001 (3) 02/20/2016 02/20/2016 M     6,412   (5)   (5) Common Stock 6,412 $ 0 6,412 D  
Restricted Stock Unit $ 0.0001 (3) 02/20/2016 02/20/2016 M     2,975   (6)   (6) Common Stock 2,975 $ 0 5,950 D  
Restricted Stock Unit $ 0.0001 (3) 02/20/2016 02/20/2016 M     3,350   (7)   (7) Common Stock 3,350 $ 0 3,350 D  
Restricted Stock Unit $ 0.0001 (3) 02/20/2016 02/20/2016 M     1,625   (8)   (8) Common Stock 1,625 $ 0 4,875 D  
Market Stock Unit $ 0.0001 (3) 02/20/2016 02/20/2016 M     38,475   (9)   (9) Common Stock 38,475 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Mack Timothy A
C/O ALIGN TECHNOLOGY INC.
2560 ORCHARD PARKWAY
SAN JOSE, CA 95131		       VP, Bus Dev  

Signatures

 /s/ Roger E. George Atty-In-Fact for Timothy A. Mack   02/24/2016
**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) Includes 99 shares issued on July 31, 2015 and 32 shares issued on January 29, 2016 under the ALGN ESPP.
(2) The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.93 to $63.50, inclusive. The reporting person undertakes to provide Align Technology, Inc., any security holder of Align Technology, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(3) Represents par value of ALGN common stock.
(4) 1/4th of the restricted stock unit granted on February 20, 2012 became vested on February 20, 2016 and shares were delivered to reporting person on February 22, 2016.
(5) 1/4th of the restricted stock unit granted on February 20, 2013 became vested on February 20, 2016 and shares were delivered to reporting person on February 22, 2016. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.
(6) 1/4th of the restricted stock unit granted on February 20, 2014 became vested on February 20, 2016 and shares were delivered to reporting person on February 22, 2016. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.
(7) 1/2 of the restricted stock unit granted on February 20, 2014 became vested on February 20, 2016 and shares were delivered to reporting person on February 22, 2016. 1/2 of the restricted stock unit will vest on February 20, 2017 and shares will be delivered to reporting person on such vest date.
(8) 1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2016 and shares were delivered to reporting person on February 22, 2016. The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.
(9) Represents the maximum number of shares which may be issued under the market stock unit granted on February 20, 2013.

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