Deep Isolation Nuclear, Inc. SEC filings

Filings

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

1. ROUTINE4Deep Isolation Nuclear, Inc.DBHLOct 8

   13 insider filings

   Elizabeth Muller, insider filing for DBHL

   Show all 13

   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8
   • 4Insider filing for DBHLOct 8

   Elizabeth Muller, reporting

2. ROUTINE8-KDeep Isolation Nuclear, Inc.DBHLOct 2

   Deep Isolation gets Texas drilling permit

   • Texas Railroad Commission issued drilling permit for Commercialization Pilot
   • Project moves from engineering to construction phase
   • Collaborators include Halliburton, Amentum, NAC International
3. ROUTINE4Deep Isolation Nuclear, Inc.DBHLSep 18

   5 insider filings

   Christa Steele, insider filing for DBHL

   Show all 5

   • 4Insider filing for DBHLSep 18
   • 4Insider filing for DBHLSep 18
   • 4Insider filing for DBHLSep 18
   • 4Insider filing for DBHLSep 18
   • 4Insider filing for DBHLSep 18

   Christa Steele, reporting

4. ROUTINE8-K/ADeep Isolation Nuclear, Inc.DBHLSep 1

   Current report (amended)

5. ROUTINE8-KDeep Isolation Nuclear, Inc.DBHLAug 31

   Current report

6. ROUTINE8-KDeep Isolation Nuclear, Inc.DBHLAug 6

   Current report

7. ROUTINE8-KDeep Isolation Nuclear, Inc.DBHLJul 27

   Current report

8. ROUTINE424B8Deep Isolation Nuclear, Inc.DBHLJul 14

   Securities offering

9. ROUTINE8-KDeep Isolation Nuclear, Inc.Jun 17

   Current report

10. ROUTINE4Deep Isolation Nuclear, Inc.May 29

    2 insider filings

    Paula Beck Whitten-Doolin, insider filing for Deep Isolation Nuclear, Inc.

    Show all 2

    • 4Insider filing for Deep Isolation Nuclear, Inc.May 29
    • 4Insider filing for Deep Isolation Nuclear, Inc.May 29

    Paula Beck Whitten-Doolin, reporting

11. ROUTINESCHEDULE 13G/ADeep Isolation Nuclear, Inc.May 15

    Ownership stake disclosure by Mark N. Tompkins (amended)

    Mark N. Tompkins, filed by

12. NOTABLE10-QDeep Isolation Nuclear, Inc.May 15

    Quarterly report

13. ROUTINE8-KDeep Isolation Nuclear, Inc.May 14

    Current report

14. ROUTINEEFFECTDeep Isolation Nuclear, Inc.May 8

    Registration declared effective

15. ROUTINES-1/ADeep Isolation Nuclear, Inc.May 6

    Securities offering (amended)

16. ROUTINEDEFA14ADeep Isolation Nuclear, Inc.Apr 30

    Additional proxy materials

17. ROUTINEDEF 14ADeep Isolation Nuclear, Inc.Apr 29

    Proxy statement

18. ROUTINE4Deep Isolation Nuclear, Inc.Apr 28

    2 insider filings

    Ralph L. Hunter JR, insider filing for Deep Isolation Nuclear, Inc.

    Show all 2

    • 4Insider filing for Deep Isolation Nuclear, Inc.Apr 28
    • 3New insider at Deep Isolation Nuclear, Inc.Apr 28

    Ralph L. Hunter Jr, reporting

19. ROUTINE8-KDeep Isolation Nuclear, Inc.Apr 8

    Current report

20. ROUTINES-1/ADeep Isolation Nuclear, Inc.Apr 6

    Securities offering (amended)

21. NOTABLE10-KDeep Isolation Nuclear, Inc.Mar 30

    Annual report

22. ROUTINE3Deep Isolation Nuclear, Inc.Feb 26

    Joseph Eugene Nelson, new insider at Deep Isolation Nuclear, Inc.

    Joseph Eugene Nelson, reporting

23. ROUTINE8-KDeep Isolation Nuclear, Inc.Feb 17

    Current report

24. ROUTINES-1/ADeep Isolation Nuclear, Inc.Feb 17

    Securities offering (amended)

25. ROUTINE8-KDeep Isolation Nuclear, Inc.Feb 9

    Current report

26. ROUTINE3Deep Isolation Nuclear, Inc.Feb 9

    Paula Beck Whitten-Doolin, new insider at Deep Isolation Nuclear, Inc.

    Paula Beck Whitten-Doolin, reporting

27. ROUTINE8-KDeep Isolation Nuclear, Inc.Feb 3

    Current report

28. ROUTINE8-KDeep Isolation Nuclear, Inc.Jan 23

    Current report

29. ROUTINES-1/ADeep Isolation Nuclear, Inc.Jan 5

    Securities offering (amended)

30. ROUTINE3Deep Isolation Nuclear, Inc.Nov 21, 2025

    Deep Isolation Nuclear, Inc. - Insider ownership filing (3)

    • Insider ownership filing (3)
    • Reports beneficial ownership changes

    Jonathon Angell, reporting

31. ROUTINE4Deep Isolation Nuclear, Inc.Nov 21, 2025

    Deep Isolation Nuclear, Inc. - Insider ownership filing (4)

    • Insider ownership filing (4)
    • Reports beneficial ownership changes

    Tepper Leslie Goldman, reporting

32. ROUTINE4Deep Isolation Nuclear, Inc.Nov 21, 2025

    Deep Isolation Nuclear, Inc. - Insider ownership filing (4)

    • Insider ownership filing (4)
    • Reports beneficial ownership changes

    Christopher Lombard Parker, reporting

Older filings on EDGAR