WESTPORT INNOVATIONS INC

FY: Dec 31 2025

FY: Dec 31 2024

FY: Dec 31 2023

FY: Dec 31 2022

FY: Dec 31 2021

FY: Dec 31 2020

FY: Dec 31 2019

FY: Dec 31 2018

FY: Dec 31 2017

FY: Dec 31 2016

FY: Dec 31 2015

FY: Dec 31 2015

FY: Dec 31 2014

FY: Dec 31 2014

FY: Dec 31 2014

FY: Dec 31 2013

FY: Dec 31 2013

FY: Dec 31 2012

FY: Dec 31 2012

FY: Dec 31 2011

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Rule 506(b) provides a "safer harbor" for a private offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Post-effective amendment to a registration statement

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers

Notice of Effectiveness

Registration statement for securities of certain Canadian issuers

Free Writing Prospectus

Notice of Effectiveness

Registration statement for securities of certain Canadian issuers

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Registration statement for securities of certain Canadian issuers

ROYCE & ASSOCIATES LP

CVI Investments, Inc.

Robert W. Baird & Co. Inc

GRACE & WHITE INC /NY

Larkin William E

DOUGLAS KEVIN

Cushner Alex Scott

BAIRD ROBERT W & CO INC /WI/

GRACE & WHITE INC /NY

none

none

none

DOUGLAS KEVIN

Yu Peter

DOUGLAS KEVIN

none

Wheatman Eileen

none

none

none

Specialized Disclosure Report

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

No description available

Specialized Disclosure Report

Registration statement for securities of certain Canadian issuers (amendment)

Specialized Disclosure Report

Appointment of agent for service of process and undertaking

Specialized Disclosure Report

No description available

Specialized Disclosure Report

No description available

Registration statement for securities of certain Canadian issuers (amendment)

Appointment of agent for service of process and undertaking

No description available

Registration statement for securities of certain Canadian issuers (amendment)

Registration statement for securities of certain Canadian issuers (amendment)

Registration statement for securities of certain Canadian issuers (amendment)

Specialized Disclosure Report