Cyber breach at Westport (Nasdaq: WPRT) delays filing of annual financial results
Rhea-AI Filing Summary
Westport Fuel Systems Inc. reported that on March 17, 2026 it identified unauthorized access to its network affecting certain internal IT business applications and some business and employee information. The company engaged cybersecurity experts, activated its incident response plan, and is continuing to investigate while enhancing security protocols.
Westport states that its manufacturing operations run on dedicated, separate servers, so production has not been disrupted. It reports that its ability to fulfill customer orders and maintain operational delivery remains fully intact and that it does not currently expect a material impact on daily business operations.
Because the incident occurred during its year-end reporting cycle, Westport is conducting an internal assessment of the integrity and accuracy of its financial results before releasing them. As a result, it expects to file its annual financial results after the March 31, 2026 continuous disclosure deadline required under applicable securities laws.
Positive
- None.
Negative
- Cybersecurity breach and data exposure: Westport identified unauthorized access to internal IT applications and certain business and employee information, introducing potential data, compliance, and reputational risk even though core manufacturing systems were unaffected.
- Delay in annual financial results: Due to the incident and related internal assessment of financial integrity, Westport expects to file its annual financial results after the March 31, 2026 continuous disclosure deadline required under applicable securities laws.
Insights
Cyber incident appears operationally contained, but forces a delayed annual filing.
Westport Fuel Systems reports unauthorized access to internal IT applications and business and employee information on March 17, 2026. It isolated the affected systems, engaged external experts, and is assessing the incident while planning additional security protocols to address evolving cyber threats.
Manufacturing runs on dedicated, separate servers, and Westport states there has been no impact on production, order fulfillment, or operational delivery. It also notes that it does not currently expect a material impact on daily business operations, which limits immediate operational risk from the disclosed breach.
The timing within the year-end reporting cycle is more consequential. Westport is reviewing the integrity and accuracy of its financial results and now expects to file annual financial results after the March 31, 2026 continuous disclosure deadline. Subsequent company disclosures may provide more detail on any financial or control implications of this delay.
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 March 2026
Commission File Number: 001-34152
WESTPORT FUEL SYSTEMS INC.
(Translation of registrant's name into English)
1691 West 75th Avenue, Vancouver, British Columbia, Canada, V6P 6P2
(Address of principal executive office)
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ] Form 40-F [ ]
INCORPORATION BY REFERENCE
Exhibit 99.1 to this Form 6-K is hereby incorporated by reference into the Company's Registration Statement on Form F-3 (File No.333-289669) and the Registration Statement on Form S-8, as amended (Registration No.333-248912).
On March 20, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
(c) Exhibit 99.1. Press release dated March 20, 2026
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 FUEL SYSTEMS INC. | ||
| (Registrant) | ||
| Date: March 20, 2026 | /s/ Elizabeth Owens | |
| Elizabeth Owens | ||
| Chief Financial Officer | ||
EXHIBIT 99.1
Westport’s Statement on Cybersecurity Incident
VANCOUVER, British Columbia, March 20, 2026 (GLOBE NEWSWIRE) -- On March 17, 2026, Westport Fuel Systems Inc. (“Westport" or “the Company”) (TSX:WPRT / Nasdaq: WPRT) identified unauthorized access to its network. This incident involved unauthorized access to certain of Westport’s internal IT business applications along with other business and employee information.
Immediately upon learning of the incident, the Company engaged experts, activated our incident response protocol, and took action to contain the incident. Our investigation is continuing. We are in the process of identifying additional security protocols that we can implement to respond to the evolving landscape of cybersecurity threats.
The Company’s manufacturing operations are managed on dedicated servers that are separate from those accessed in connection with this incident. As a result, the incident has not affected the continuity of our manufacturing activities. Our ability to fulfill customer orders and maintain operational delivery remains fully intact, with no disruptions anticipated. We currently do not expect a material impact on our daily business operations.
Given the timing of this incident within our year-end financial reporting cycle, we are undertaking an essential internal assessment of the integrity and accuracy of our financial results prior to releasing them. As a result, we expect we will be filing our annual financial results after the March 31, 2026 continuous disclosure deadline required under applicable securities laws.
About Westport Fuel Systems
Westport is a technology and innovation company connecting synergistic technologies to power a cleaner tomorrow. As a leading supplier of affordable, alternative fuel, low-emissions transportation technologies, we design, manufacture, and supply advanced components and systems that enable the transition from traditional fuels to cleaner energy solutions.
Our proven technologies support a wide range of clean fuels – including natural gas, renewable natural gas, and hydrogen – empowering OEMs and commercial transportation industries to meet performance demands, regulatory requirements, and climate targets in a cost-effective way. With decades of expertise and a commitment to engineering excellence, Westport is helping our partners achieve sustainability goals—without compromising performance or cost-efficiency – making clean, scalable transport solutions a reality.
Westport Fuel Systems is headquartered in Vancouver, Canada. For more information, visit www.westport.com.
Cautionary Note Regarding Forward Looking Statements
This press release contains forward-looking statements, including statements regarding the impact of the cybersecurity incident on the continuity of Westport's manufacturing activities, Westport's ability to fulfill customer orders and maintain operational delivery, the materiality of the impact of the cybersecurity event on Westport's daily operations, the integrity and accuracy of our financial statements, and the anticipated timing of the filing of Westport's annual financial results. These forward-looking statements are neither promises nor guarantees but involve known and unknown risks and uncertainties and are based on both the views of management and assumptions that may cause actual results to differ materially from those expressed or implied. These risks, uncertainties and assumptions include those related to the cybersecurity incident, general economic conditions of and access to the capital and debt markets, solvency, governmental policies and regulation, foreign exchange rate fluctuations, supply-chain factors and other risks and assumptions described in our most recent Annual Information Form and other filings with securities regulators. Readers should not place undue reliance on any such forward-looking statements, which speak only as of the date of publication. We disclaim any obligation to publicly update or revise such statements to reflect any change in our expectations or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in these forward looking statements except as required by National Instrument 51-102. The contents of any website, RSS feed or twitter account referenced in this press release are not incorporated by reference herein.
Contact Information
Investor Relations
Westport Fuel Systems
T: +1 604-718-2046
FAQ
What cybersecurity incident did Westport Fuel Systems (WPRT) disclose in March 2026?
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Filing Exhibits & Attachments
1 documentPress Releases
