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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1. Name and Address of Reporting Person * LEEBRON DAVID W   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) (Last) (First) (Middle) RICE UNIVERSITY, OFFICE OF THE PRESIDENT, 6100 MAIN STREET MS-1 3. Date of Earliest Transaction (Month/Day/Year) 06/06/2018 (Street) HOUSTON, TX 77005 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)               1,300 I by spouse common shares (opening balance)               73,859 D   common shares 06/06/2018   M   5,787 (4) A $ 0 79,646 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 share units (1)

(2)

06/06/2018

A

5,787 (3)

06/06/2018

07/06/2018

common shares

5,787

(2)

5,787

D

restricted share units (1)

(2)

06/06/2018

M

5,787 (4)

06/06/2018

07/06/2018

common shares

5,787

(2)

0 (5)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LEEBRON DAVID W RICE UNIVERSITY, OFFICE OF THE PRESIDENT 6100 MAIN STREET MS-1 HOUSTON, TX 77005

Signatures

David W. Leebron		06/07/2018
**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)	Each restricted share unit represented a contigent right to receive one common share of IMAX Corporation.
(2)	Each restricted share unit is the economic equivalent of one common share of IMAX Corporation.
(3)	Mr. Leebron received a grant of restricted share units in connection with his membership on the IMAX Corporation Board of Directors.
(4)	Represents the conversion of vested restricted share units into common shares.
(5)	This represents Mr. Leebron's restricted stock unit balance for this grant after this transaction. Mr. Leebron's total stock option and long share balances after this transaction will be 14,949 and 79,646, respectively.

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