{"cik":"0001370416","ticker":"WPRT","name":"WESTPORT FUEL SYSTEMS INC.","sic_code":"3510","sic_description":"Engines & Turbines","exchange":"Nasdaq","state_of_incorporation":"","fiscal_year_end":null,"first_filing_date":"2026-05-08","last_filing_date":"2026-08-11","url":"/sec/cik-0001370416","insider_summary":{"total_transactions":0,"unique_insiders":0,"latest_transaction":null},"recent_filings":[{"accession_number":"0001370416-26-000022","form_type":"D","form_type_family":"other","doc_date":"2026-09-29","title":"D — WESTPORT FUEL SYSTEMS INC. — 2026-09-29","url_slug":"/sec/cik-0001370416/d/0001370416-26-000022","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001370416-26-000022-index.html"},{"accession_number":"0001628280-26-063649","form_type":"424B3","form_type_family":"registration","doc_date":"2026-09-28","title":"424B3 — WESTPORT FUEL SYSTEMS INC. — 2026-09-28","url_slug":"/sec/cik-0001370416/424b3/0001628280-26-063649","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001628280-26-063649-index.html"},{"accession_number":"9999999995-26-003072","form_type":"EFFECT","form_type_family":"other","doc_date":"2026-09-25","title":"EFFECT — WESTPORT FUEL SYSTEMS INC. — 2026-09-25","url_slug":"/sec/cik-0001370416/effect/9999999995-26-003072","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/9999999995-26-003072-index.html"},{"accession_number":"0001628280-26-062764","form_type":"F-1","form_type_family":"other","doc_date":"2026-09-18","title":"F-1 — WESTPORT FUEL SYSTEMS INC. — 2026-09-18","url_slug":"/sec/cik-0001370416/f-1/0001628280-26-062764","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001628280-26-062764-index.html"},{"accession_number":"0001628280-26-062309","form_type":"6-K","form_type_family":"current","doc_date":"2026-09-16","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-09-16","url_slug":"/sec/cik-0001370416/6-k/0001628280-26-062309","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001628280-26-062309-index.html"},{"accession_number":"0001628280-26-062320","form_type":"424B3","form_type_family":"registration","doc_date":"2026-09-16","title":"424B3 — WESTPORT FUEL SYSTEMS INC. — 2026-09-16","url_slug":"/sec/cik-0001370416/424b3/0001628280-26-062320","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001628280-26-062320-index.html"},{"accession_number":"0001171843-26-006036","form_type":"6-K","form_type_family":"current","doc_date":"2026-09-15","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-09-15","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-006036","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-006036-index.html"},{"accession_number":"9999999995-26-002767","form_type":"EFFECT","form_type_family":"other","doc_date":"2026-08-26","title":"EFFECT — WESTPORT FUEL SYSTEMS INC. — 2026-08-26","url_slug":"/sec/cik-0001370416/effect/9999999995-26-002767","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/9999999995-26-002767-index.html"},{"accession_number":"0001628280-26-058263","form_type":"POS AM","form_type_family":"other","doc_date":"2026-08-20","title":"POS AM — WESTPORT FUEL SYSTEMS INC. — 2026-08-20","url_slug":"/sec/cik-0001370416/pos-am/0001628280-26-058263","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001628280-26-058263-index.html"},{"accession_number":"0001171843-26-005431","form_type":"6-K","form_type_family":"current","doc_date":"2026-08-12","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-08-12","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-005431","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-005431-index.html"},{"accession_number":"0001370416-26-000019","form_type":"6-K","form_type_family":"current","doc_date":"2026-08-11","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-08-11","url_slug":"/sec/cik-0001370416/6-k/0001370416-26-000019","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001370416-26-000019-index.html"},{"accession_number":"0001171843-26-004959","form_type":"6-K","form_type_family":"current","doc_date":"2026-07-29","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-07-29","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-004959","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-004959-index.html"},{"accession_number":"9999999995-26-002469","form_type":"EFFECT","form_type_family":"other","doc_date":"2026-07-27","title":"EFFECT — WESTPORT FUEL SYSTEMS INC. — 2026-07-27","url_slug":"/sec/cik-0001370416/effect/9999999995-26-002469","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/9999999995-26-002469-index.html"},{"accession_number":"0000906304-26-000131","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-07-22","title":"SCHEDULE 13G — WESTPORT FUEL SYSTEMS INC. — 2026-07-22","url_slug":"/sec/cik-0001370416/schedule-13g/0000906304-26-000131","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0000906304-26-000131-index.html"},{"accession_number":"0001628280-26-049042","form_type":"F-1","form_type_family":"other","doc_date":"2026-07-21","title":"F-1 — WESTPORT FUEL SYSTEMS INC. — 2026-07-21","url_slug":"/sec/cik-0001370416/f-1/0001628280-26-049042","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001628280-26-049042-index.html"},{"accession_number":"0001370416-26-000017","form_type":"6-K","form_type_family":"current","doc_date":"2026-07-15","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-07-15","url_slug":"/sec/cik-0001370416/6-k/0001370416-26-000017","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001370416-26-000017-index.html"},{"accession_number":"0001171843-26-004438","form_type":"6-K","form_type_family":"current","doc_date":"2026-07-02","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-07-02","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-004438","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-004438-index.html"},{"accession_number":"0001649553-26-000072","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-06-29","title":"SCHEDULE 13G — WESTPORT FUEL SYSTEMS INC. — 2026-06-29","url_slug":"/sec/cik-0001370416/schedule-13g/0001649553-26-000072","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001649553-26-000072-index.html"},{"accession_number":"0001171843-26-004260","form_type":"6-K","form_type_family":"current","doc_date":"2026-06-23","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-06-23","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-004260","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-004260-index.html"},{"accession_number":"0001171843-26-004236","form_type":"424B5","form_type_family":"registration","doc_date":"2026-06-23","title":"424B5 — WESTPORT FUEL SYSTEMS INC. — 2026-06-23","url_slug":"/sec/cik-0001370416/424b5/0001171843-26-004236","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-004236-index.html"},{"accession_number":"0001171843-26-004189","form_type":"6-K","form_type_family":"current","doc_date":"2026-06-18","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-06-18","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-004189","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-004189-index.html"},{"accession_number":"0001370416-26-000016","form_type":"6-K","form_type_family":"current","doc_date":"2026-06-04","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-06-04","url_slug":"/sec/cik-0001370416/6-k/0001370416-26-000016","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001370416-26-000016-index.html"},{"accession_number":"0001370416-26-000011","form_type":"6-K","form_type_family":"current","doc_date":"2026-05-21","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-05-21","url_slug":"/sec/cik-0001370416/6-k/0001370416-26-000011","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001370416-26-000011-index.html"},{"accession_number":"0001370416-26-000008","form_type":"6-K","form_type_family":"current","doc_date":"2026-05-14","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-05-14","url_slug":"/sec/cik-0001370416/6-k/0001370416-26-000008","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001370416-26-000008-index.html"},{"accession_number":"0001171843-26-003440","form_type":"6-K","form_type_family":"current","doc_date":"2026-05-14","title":"6-K — WESTPORT FUEL SYSTEMS INC. — 2026-05-14","url_slug":"/sec/cik-0001370416/6-k/0001171843-26-003440","edgar_url":"https://www.sec.gov/Archives/edgar/data/1370416/0001171843-26-003440-index.html"}],"related_endpoints":{"profile":"/sec/WPRT/profile","timeline":"/sec/WPRT/timeline","peers":"/sec/WPRT/peers","insider_pulse":"/sec/WPRT/insider-pulse","insider_summary":"/sec/WPRT/insider-summary","insider_transactions":"/sec/WPRT/insider-transactions","form144":"/sec/WPRT/form144","holdings_as_filer":"/sec/WPRT/holdings","financial_facts":"/sec/WPRT/financial-facts","derivatives":"/sec/WPRT/derivatives","officers":"/sec/WPRT/officers","insider_network":"/sec/WPRT/insider-network","risk_flags":"/sec/WPRT/risk-flags","filings":"/sec/WPRT/filings","cross_topic_dossier":"/api/v1/dossier?ticker=WPRT"}}