Westport Fuel Systems WPRT SEC Filings

NASDAQ WPRT
$2.22 -0.02 (-0.89%)
At close: Oct 23, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Westport Fuel Systems Inc. (WPRT) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1424B3Prospectus0001370416-26-000026Oct 16, 2026 1:04 AM
2424B3Prospectus0001370416-26-000025Oct 16, 2026 1:03 AM
36-KCurrent Report0001370416-26-000024Oct 16, 2026 6:03 AM-
46-KCurrent Report0001171843-26-006665Oct 15, 2026 4:00 PM
5DOthers0001370416-26-000022Sep 29, 2026 5:00 PM
6424B3Prospectus0001628280-26-063649Sep 28, 2026 11:15 AM
7F-1Prospectus0001628280-26-062764Sep 18, 2026 9:05 PM
8424B3Prospectus0001628280-26-062320Sep 16, 2026 9:27 PM
96-KCurrent Report0001628280-26-062309Sep 16, 2026 9:16 PM
106-KCurrent Report0001171843-26-006036Sep 15, 2026 10:23 PM
11EFFECTOthers9999999995-26-002767Aug 26, 2026 4:15 AM
12POS AMOthers0001628280-26-058263Aug 20, 2026 8:32 PM
136-KCurrent Report0001171843-26-005431Aug 12, 2026 10:13 PM
146-KCurrent Report0001370416-26-000019Aug 11, 2026 5:26 PM
156-KCurrent Report0001171843-26-004959Jul 29, 2026 10:39 PM
16EFFECTOthers9999999995-26-002469Jul 27, 2026 4:15 AM
17SCHEDULE 13GBeneficial Ownership Report0000906304-26-000131Jul 22, 2026 5:05 PM
18F-1Prospectus0001628280-26-049042Jul 21, 2026 9:01 PM
196-KCurrent Report0001370416-26-000017Jul 15, 2026 9:05 PM
206-KCurrent Report0001171843-26-004438Jul 2, 2026 6:45 PM
21SCHEDULE 13GBeneficial Ownership Report0001649553-26-000072Jun 29, 2026 1:59 PM
226-KCurrent Report0001171843-26-004260Jun 23, 2026 8:55 PM
23424B5Prospectus0001171843-26-004236Jun 23, 2026 12:29 PM
246-KCurrent Report0001171843-26-004189Jun 18, 2026 10:35 AM
256-KCurrent Report0001370416-26-000016Jun 4, 2026 9:12 PM
26SDOthers0001370416-26-000013May 27, 2026 5:09 PM-
276-KCurrent Report0001171843-26-003727May 27, 2026 5:01 PM-
286-KCurrent Report0001370416-26-000011May 21, 2026 9:08 PM
296-KCurrent Report0001370416-26-000008May 14, 2026 5:23 PM-
306-KCurrent Report0001171843-26-003440May 14, 2026 5:02 PM-
316-KCurrent Report0001171843-26-003180May 8, 2026 10:00 AM
326-KCurrent Report0001171843-26-003180May 8, 2026 10:00 AM
336-KCurrent Report0001171843-26-003180May 8, 2026 10:00 AM
346-KCurrent Report0001171843-26-002880Apr 30, 2026 9:15 AM
356-KCurrent Report0001171843-26-002681Apr 24, 2026 9:33 PM
3620-FQuarterly & Annual Report0001370416-26-000005Apr 23, 2026 9:19 PM
376-KCurrent Report0001171843-26-002575Apr 21, 2026 10:56 PM
386-KCurrent Report0001171843-26-002481Apr 16, 2026 9:59 PM
396-KCurrent Report0001171843-26-002185Apr 2, 2026 11:05 PM
406-KCurrent Report0001171843-26-002168Apr 1, 2026 8:26 PM
416-KCurrent Report0001171843-26-001985Mar 27, 2026 9:07 PM
426-KCurrent Report0001171843-26-001812Mar 20, 2026 10:54 AM
436-KCurrent Report0001171843-26-001535Mar 13, 2026 10:09 PM
44SCHEDULE 13GBeneficial Ownership Report0000810972-26-000016Feb 6, 2026 8:04 PM
456-KCurrent Report0001171843-26-000614Feb 4, 2026 11:45 AM
46SCHEDULE 13GBeneficial Ownership Report0000903064-26-000004Jan 27, 2026 10:17 PM
476-KCurrent Report0001171843-26-000325Jan 20, 2026 11:00 AM
486-KCurrent Report0001370416-26-000003Jan 14, 2026 10:17 PM
496-KCurrent Report0001171843-26-000011Jan 2, 2026 10:01 PM
506-KCurrent Report0001171843-25-007499Nov 21, 2025 10:00 PM
...

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