U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549



FORM 40-F/A

(Amendment No. 1)



(Check One)



 ̈
Registration statement pursuant to Section 12 of the Securities Exchange Act of 1934



or



x Annual report
pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934



For the fiscal year ended December 31, 2012



Commission file number 1-34975



IMRIS INC.

(Exact name of registrant as specified in
its charter)



|Canada
        (Province or other jurisdiction of
        incorporation or organization) |  | 3845
        (Primary Standard Industrial
        Classification Code Number (if
        applicable)) |  | 98-0473230
        (I.R.S. Employer
        Identification Number (if
        Applicable))
|---------------------------------------------------------------------------------------- |  | ----------------------------------------------------------------------------------------------------- |  | ------------------------------------------------------------------------------------------



100-1370 Sony Place, Winnipeg, Manitoba,
Canada

(204) 480-7070
(Address and Telephone Number of Registrant’s Principal Executive Offices)



DL Services Inc., 701 Fifth Avenue, Suite
6100, Seattle, Washington 98104

(206) 903-5448

(Name, Address (Including Zip Code) and
Telephone Number
(Including Area Code) of Agent For Service in the United States)



Securities registered or to be registered
pursuant to Section 12(b) of the Act.



|Title of each class |  | Name of each exchange on which registered
|------------------- |  | -----------------------------------------
|Common Shares       |  | The Nasdaq Stock Market LLC              



Securities registered or to be registered
pursuant to Section 12(g) of the Act. None



Securities for which there is a reporting
obligation pursuant to Section 15(d) of the Act. None



For annual reports, indicate by check mark
the information filed with this Form:



|x Annual
    Information Form | x Audited
    Annual Financial Statements
|----------------------------- | -----------------------------------------



Indicate the number of outstanding shares
of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report: 46,061,211
common shares of the Registrant were issued and outstanding.



Indicate by check mark whether the registrant:
(1) has filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the preceding 12 months (or for
such shorter period that the registrant was required to file such reports); and (2) has been subject to such filing requirements
for the past 90 days.



| | Yes x | No  ̈ | 
| | ----- | ---- | 



Indicate by check mark whether the registrant
has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted
and posted pursuant to Rule 405 of Regulation S-T (s.232.405 of this chapter) during the preceding 12 months (or for such shorter
period that the registrant was required to submit and post such files).



| | Yes x | No  ̈ | 
| | ----- | ---- | 













EXPLANATORY NOTE



This Amendment No. 1 to the Annual Report
on Form 40-F (the “Original Form 40-F”) of IMRIS Inc. for the fiscal year ended December 31, 2012, originally filed
with the Securities and Exchange Commission (the “SEC”) on March 5, 2013, is being filed to include revised versions
of IMRIS’ Annual Information Form for such fiscal year and Management’s Discussion and Analysis for such fiscal year
(“MD&A”) from the versions previously attached as Exhibits 99.1 and 99.2, respectively, to the Original Form 40-F.



IMRIS has also included in this Amendment
No. 1 new certifications of its Chief Executive Officer and Chief Financial Officer pursuant to Sections 302 and 906 of the Sarbanes-Oxley
Act of 2002.



Except as set forth above, this Amendment
No. 1 does not modify or update the disclosure in the Original Form 40-F. The disclosure in this Amendment No. 1 does not reflect
events occurring after the date of the Original Form 40-F. Accordingly, this Amendment No. 1 should be read in conjunction with
IMRIS’ other filings made with the SEC subsequent to the filing of the Original Form 40-F, as information in such filings
may update or supersede certain information contained in those filings as well as in this Amendment No. 1.





INCORPORATION BY REFERENCE



Exhibits 99.1, 99.2 and 99.3 to the Original
Form 40-F, as amended by this Amendment No. 1, are hereby incorporated by reference as exhibits to the Registration Statement
on Form F-10 (File No. 333-183820) of IMRIS Inc.



PRINCIPAL Documents



The following documents, filed as Exhibits
99.1 through 99.3 hereto, are hereby incorporated by reference into this annual report on Form 40-F of IMRIS Inc. (the “Company”,
“we” or “our”):



| | (a) | Annual Information Form for the fiscal year ended December
31, 2012, as amended and restated on March 12, 2013;
| | --- | ---------------------------------------------------------------------------------------------------------------



| | (b) | Management’s Discussion and Analysis of Financial Condition and Results of Operations for
the fiscal year ended December 31, 2012, as amended and restated on March 12, 2013; and
| | --- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (c) | Audited consolidated Financial Statements and notes thereto for the fiscal years ended December
31, 2012 and 2011.
| | --- | ------------------------------------------------------------------------------------------------------------------



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SIGNATURES



Pursuant to the requirements
of the Exchange Act, the registrant certifies that it meets all of the requirements for filing on Form 40-F and has duly caused
this annual report to be signed on its behalf by the undersigned, thereunto duly authorized, on March 12, 2013.



| | IMRIS Inc.
| | ----------
| |           
| | By:       
| |           
| | Name:     
| | Title:    



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EXHIBIT INDEX



|Exhibit
        No |  | Description                                                                                                                    
|------------------ |  | -------------------------------------------------------------------------------------------------------------------------------
|                   |  |                                                                                                                                
|99.1               |  | Annual Information Form for the fiscal year ended December 31,
    2012, as amended and restated on March 12, 2013             
|                   |  |                                                                                                                                
|99.2               |  | Management's Discussion and Analysis for the fiscal year ended
    December 31, 2012, as amended and restated on March 12, 2013
|                   |  |                                                                                                                                
|99.3*              |  | Audited Consolidated Financial Statements and Notes thereto for the fiscal years ended December 31, 2012 and 2011              
|                   |  |                                                                                                                                
|99.4               |  | Certification of Chief Executive Officer pursuant to Rule 13a-14(a) or 15d-14 of the Securities Exchange Act of 1934           
|                   |  |                                                                                                                                
|99.5               |  | Certification of Chief Financial Officer required by Rules 13a-14(a) or 15d-14 of the Securities Exchange Act of 1934          
|                   |  |                                                                                                                                
|99.6               |  | Certification of Chief Executive Officer pursuant to 18 USC. 1350                                                              
|                   |  |                                                                                                                                
|99.7               |  | Certification of Chief Financial Officer pursuant to 18 USC. 1350                                                              
|                   |  |                                                                                                                                
|99.8*              |  | Consent of Independent Registered Chartered Accountants — Deloitte LLP                                                         
|                   |  |                                                                                                                                
|101*               |  | Interactive Data Files                                                                                                         



____________________

* Previously filed.



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