6-K


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 
 
FORM 6-K 
 
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
 
For the month of October, 2015
 
Commission File Number: 001-34152
 
 
WESTPORT INNOVATIONS INC. 

 (Translation of registrant's name into English)
 
1750 West 75th Avenue, Suite 101, Vancouver, British Columbia, Canada, V6P 6G2 

 (Address of principal executive offices)
 
 
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
 
☐    Form 20-F   ☒      Form 40-F
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o
 
Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
 
Yes    ☐    No   ☒
 
If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- ________
 






EXHIBIT INDEX
 
 
Exhibit
 
Description
99.1
 
Change of Auditor Notice, dated October 1, 2015
99.2
 
Response Letter from Deloitte LLP, dated October 15, 2015
99.3
 
Response Letter from KPMG LLP, dated October 15, 2015
 SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 




 
Westport Innovations Inc.
 
 
(Registrant)
 
 
 
 
 
Date: October 16, 2015
By:
/s/ Ashoka Achuthan
 
 
 
Ashoka Achuthan
Chief Financial Officer