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 *
KEIGHLEY DAVID B
  2. Issuer Name and Ticker or Trading Symbol
IMAX CORP [IMAX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
Chief Quality Officer
(Last)
(First)
(Middle)
12582 WEST MILLENNIUM
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2015
(Street)

PLAYA VISTA, CA 90094
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 shares (opening balance)               1,470 I by spouse
common shares 05/01/2015   C   10,500 (1) A $ 2.87 15,047 D  
common shares 05/01/2015   C   28,000 A $ 31.73 43,047 D  
common shares 05/01/2015   C   20,250 A $ 25.82 63,297 D  
common shares 05/01/2015   C   530 A $ 25.44 63,827 D  
common shares 05/01/2015   S   59,280 D $ 37.71 4,547 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
stock options (to buy) $ 2.87 05/01/2015   C     10,500 (1) 12/16/2013 12/16/2015 common shares 10,500 (1) $ 2.87 0 D  
stock options (to buy) $ 31.73 05/01/2015   C     28,000   (2) 03/25/2018 common shares 28,000 $ 31.73 0 D  
stock options (to buy) $ 25.82 05/01/2015   C     20,250   (3) 03/08/2019 common shares 20,250 $ 25.82 0 D  
stock options (to buy) $ 25.44 05/01/2015   C     530 03/07/2014 03/07/2020 common shares 530 $ 25.44 11,970 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KEIGHLEY DAVID B
12582 WEST MILLENNIUM
PLAYA VISTA, CA 90094
      Chief Quality Officer  

Signatures

 David B Keighley   05/05/2015
**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) 10,500 stock options scheduled to expire on December 16, 2015 were exercised and converted to common shares.
(2) These stock options became exercisable in four installments: 4,000 on March 25,2012; 6,000 on March 25,2013; 8,000 on March 25,2014; and 10,000 on March 25,2015.
(3) These stock options became exercisable in three installments: 4,500 on March 8,2013; 6,750 on March 8,2014; and 9,000 on March 8,2015.

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