Mountain Lake Acquisition Corp. SEC filings

Filings

Every filing, newest first. MAJOR and NOTABLE filings lead the app's feed; ROUTINE ones are kept here.

1. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRSep 4

   Ownership stake disclosure by Magnetar Financial LLC (amended)

   Magnetar Financial LLC, filed by

2. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRAug 14

   Ownership stake disclosure by Polar Asset Management Partners Inc. (amended)

   Polar Asset Management Partners Inc., filed by

3. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRAug 14

   Ownership stake disclosure by TENOR CAPITAL MANAGEMENT Co., L.P. (amended)

   TENOR CAPITAL MANAGEMENT Co., L.P., filed by

4. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRAug 13

   Ownership stake disclosure by MIZUHO FINANCIAL GROUP INC (amended)

   MIZUHO FINANCIAL GROUP INC, filed by

5. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRAug 6

   Ownership stake disclosure by BERKLEY W R CORP (amended)

   BERKLEY W R CORP, filed by

6. ROUTINE15-12GMountain Lake Acquisition Corp.MLACRJun 25

   Deregistration notice

7. ROUTINE4Mountain Lake Acquisition Corp.MLACRJun 15

   6 insider filings

   Mountain Lake Acquisition Sponsor LLC, insider filing for MLACR

   Show all 6

   • 4Insider filing for MLACRJun 15
   • 4Insider filing for MLACRJun 15
   • 4Insider filing for MLACRJun 15
   • 4Insider filing for MLACRJun 15
   • 4Insider filing for MLACRJun 15
   • 4Insider filing for MLACRJun 15

   Mountain Lake Acquisition Sponsor LLC, reporting

8. ROUTINE8-KMountain Lake Acquisition Corp.MLACRJun 11

   Current report

9. NOTABLE25-NSEMountain Lake Acquisition Corp.MLACRJun 11

   Delisting notice

   Nasdaq Stock Market LLC, filed by

10. ROUTINE4Mountain Lake Acquisition Corp.MLACRJun 10

    Mountain Lake Acquisition Sponsor LLC, insider filing for MLACR

    Mountain Lake Acquisition Sponsor LLC, reporting

11. ROUTINE8-KMountain Lake Acquisition Corp.MLACRJun 10

    Current report

12. ROUTINE8-KMountain Lake Acquisition Corp.MLACRJun 5

    Current report

13. ROUTINE4Mountain Lake Acquisition Corp.MLACRJun 4

    3 insider filings

    Paul Grinberg, insider filing for MLACR

    Show all 3

    • 4Insider filing for MLACRJun 4
    • 4Insider filing for MLACRJun 4
    • 4Insider filing for MLACRJun 4

    Paul Grinberg, reporting

14. ROUTINEDEFA14AMountain Lake Acquisition Corp.MLACRMay 29

    Additional proxy materials

15. ROUTINEDEF 14AMountain Lake Acquisition Corp.MLACRMay 26

    Proxy statement

16. ROUTINEDEFA14AMountain Lake Acquisition Corp.MLACUMay 18

    Additional proxy materials

17. ROUTINEPRE 14AMountain Lake Acquisition Corp.MLACUMay 15

    Preliminary proxy statement

18. NOTABLE10-QMountain Lake Acquisition Corp.MLACUMay 15

    Quarterly report

19. NOTABLEDEFM14AMountain Lake Acquisition Corp.MLACUMay 14

    Merger proxy statement

20. ROUTINESCHEDULE 13GMountain Lake Acquisition Corp.MLACUMay 14

    Ownership stake disclosure by MIZUHO FINANCIAL GROUP INC

    MIZUHO FINANCIAL GROUP INC, filed by

21. ROUTINESCHEDULE 13GMountain Lake Acquisition Corp.MLACRMay 8

    Ownership stake disclosure by BERKLEY W R CORP

    BERKLEY W R CORP, filed by

22. ROUTINE425Avalanche Treasury CorpAVATApr 21

    Merger communication

    Mountain Lake Acquisition Corp., filed by

23. ROUTINE425Mountain Lake Acquisition Corp.MLACRApr 15

    Merger communication

24. ROUTINE425Mountain Lake Acquisition Corp.MLACRMar 17

    Merger communication

25. ROUTINE8-KMountain Lake Acquisition Corp.MLACRMar 17

    Current report

26. ROUTINE425Mountain Lake Acquisition Corp.MLACRFeb 27

    Merger communication

27. ROUTINE425Mountain Lake Acquisition Corp.MLACRFeb 26

    Merger communication

28. NOTABLE10-KMountain Lake Acquisition Corp.MLACRFeb 20

    Annual report

29. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRFeb 13

    Ownership stake disclosure by TENOR CAPITAL MANAGEMENT Co., L.P. (amended)

    TENOR CAPITAL MANAGEMENT Co., L.P., filed by

30. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACRFeb 13

    Ownership stake disclosure by BANK OF MONTREAL /CAN/ (amended)

    BANK OF MONTREAL /CAN/, filed by

31. ROUTINE425Mountain Lake Acquisition Corp.MLACRJan 13

    Merger communication

32. ROUTINE8-KMountain Lake Acquisition Corp.MLACRJan 13

    Current report

33. ROUTINE425Mountain Lake Acquisition Corp.MLACRDec 30, 2025

    Merger communication

34. ROUTINESCHEDULE 13G/AMountain Lake Acquisition Corp.MLACDec 23, 2025

    Ownership stake disclosure by WOLVERINE ASSET MANAGEMENT LLC (amended)

    WOLVERINE ASSET MANAGEMENT LLC, filed by

35. ROUTINE425Mountain Lake Acquisition Corp.MLACDec 5, 2025

    Merger communication

36. ROUTINE425Mountain Lake Acquisition Corp.MLACRNov 21, 2025

    Mountain Lake Acquisition Corp. filed 425

    • Form Type: 425
    • Filing Date: 2025-11-21
37. ROUTINE425Mountain Lake Acquisition Corp.MLACRNov 21, 2025

    Mountain Lake Acquisition Corp. filed 425

    • Form Type: 425
    • Filing Date: 2025-11-21
38. ROUTINE425Mountain Lake Acquisition Corp.MLACRNov 21, 2025

    Mountain Lake Acquisition Corp. filed 425

    • Form Type: 425
    • Filing Date: 2025-11-21
39. NOTABLE10-QMountain Lake Acquisition Corp.MLACRNov 10, 2025

    Quarterly report

Older filings on EDGAR