AETHERION TECHNOLOGIES INC. SEC filings

Filings

1. 424B3AETHERION TECHNOLOGIES INC.WPRT2d

   2 structured-note prospectuses

   Securities offering

   Show all 2

   • 424B3Securities offering2d
   • 424B3Securities offering2d
2. 6-KWESTPORT FUEL SYSTEMS INC.WPRT3d

   Westport Fuel Systems Inc. rebranded to Aetherion

   • Changed name to Aetherion Technologies Inc. on 2026-10-14
   • Shares to trade as AETR on Toronto Stock Exchange and Nasdaq from 2026-10-23
   • CUSIP and ISIN numbers will change with name update
3. 6-KWESTPORT FUEL SYSTEMS INC.WPRT3d

   Westport Fuel Systems Inc. issued a press release.

   • Filed on 2026-10-15.
   • Press release attached as Exhibit 99.1.
   • Company is Aetherion Technologies Inc.
4. DWESTPORT FUEL SYSTEMS INC.WPRTSep 29

   Private placement notice

5. 424B3WESTPORT FUEL SYSTEMS INC.WPRTSep 28

   Securities offering

6. EFFECTWESTPORT FUEL SYSTEMS INC.WPRTSep 28

   Registration declared effective

7. F-1WESTPORT FUEL SYSTEMS INC.WPRTSep 18

   Securities offering

8. 424B3WESTPORT FUEL SYSTEMS INC.WPRTSep 16

   Securities offering

9. 6-KWESTPORT FUEL SYSTEMS INC.WPRTSep 16

   Foreign issuer report

10. EFFECTWESTPORT FUEL SYSTEMS INC.WPRTAug 27

    Registration declared effective

11. POS AMWESTPORT FUEL SYSTEMS INC.WPRTAug 20

    POS AM filing

12. 6-KWESTPORT FUEL SYSTEMS INC.WPRTAug 11

    Foreign issuer report

13. EFFECTWESTPORT FUEL SYSTEMS INC.WPRTJul 28

    Registration declared effective

14. SCHEDULE 13GWESTPORT FUEL SYSTEMS INC.WPRTJul 22

    Ownership stake disclosure by ROYCE & ASSOCIATES LP

    ROYCE & ASSOCIATES LP, filed by

15. F-1WESTPORT FUEL SYSTEMS INC.WPRTJul 21

    Securities offering

16. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJul 15

    Foreign issuer report

17. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJul 2

    Foreign issuer report

18. SCHEDULE 13GWESTPORT FUEL SYSTEMS INC.WPRTJun 29

    Ownership stake disclosure by CVI Investments, Inc.

    CVI Investments, Inc., filed by

19. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJun 23

    Foreign issuer report

20. 424B5WESTPORT FUEL SYSTEMS INC.WPRTJun 23

    Securities offering

21. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJun 18

    Foreign issuer report

22. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJun 4

    Foreign issuer report

23. SDWESTPORT FUEL SYSTEMS INC.WPRTMay 27

    Conflict minerals report

24. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMay 27

    Foreign issuer report

25. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMay 21

    Foreign issuer report

26. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMay 14

    Foreign issuer report

27. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMay 14

    Foreign issuer report

28. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMay 8

    Foreign issuer report

29. 20-FWESTPORT FUEL SYSTEMS INC.WPRTApr 23

    Annual report

30. 6-KWESTPORT FUEL SYSTEMS INC.WPRTApr 1

    Foreign issuer report

31. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMar 27

    Foreign issuer report

32. 6-KWESTPORT FUEL SYSTEMS INC.WPRTMar 20

    Foreign issuer report

33. SCHEDULE 13G/AWESTPORT FUEL SYSTEMS INC.WPRTFeb 6

    Ownership stake disclosure by Robert W. Baird & Co. Inc (amended)

    Robert W. Baird & Co. Inc, filed by

34. 6-KWESTPORT FUEL SYSTEMS INC.WPRTFeb 4

    Foreign issuer report

35. SCHEDULE 13G/AWESTPORT FUEL SYSTEMS INC.WPRTJan 27

    Ownership stake disclosure by GRACE & WHITE INC /NY (amended)

    GRACE & WHITE INC /NY, filed by

36. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJan 20

    Foreign issuer report

37. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJan 14

    Foreign issuer report

38. 6-KWESTPORT FUEL SYSTEMS INC.WPRTJan 2

    Foreign issuer report

39. 6-KWESTPORT FUEL SYSTEMS INC.WPRTNov 21, 2025

    WESTPORT FUEL SYSTEMS INC. filed 6-K

    • Form Type: 6-K
    • Filing Date: 2025-11-21
40. 6-KWESTPORT FUEL SYSTEMS INC.WPRTNov 10, 2025

    Foreign issuer report

41. 6-KWESTPORT FUEL SYSTEMS INC.WPRTNov 6, 2025

    Foreign issuer report

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