TENAX THERAPEUTICS, INC. SEC filings

Filings

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

1. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENX3d

   Tenax Therapeutics, Inc. reports ownership changes.

   • Filed by Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander.
   • Address of issuer: 101 Glen Lennox Drive, Chapel Hill, NC.
   • Millennium Management LLC is based in New York, NY.

   MILLENNIUM MANAGEMENT LLC, filed by

2. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENX6d

   Sphera Funds Management Ltd. filed a 13G

   • Filed on 2026-10-13
   • Owns 2,663,296 shares
   • 7.09% of outstanding shares

   SPHERA FUNDS MANAGEMENT LTD., filed by

3. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXOct 9

   TENAX THERAPEUTICS, INC. 10/09/2026

   • Dellora Investments Master Fund LP owns 2,061,000 shares (5.5%)
   • Dellora Investments LP owns 2,400,000 shares (6.4%)
   • Kevin Pyun owns 2,400,000 shares (6.4%)

   Dellora Investments LP, filed by

4. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXOct 8

   Tenax Therapeutics pauses LEVEL-2 trial

   • LEVEL-2 trial paused for protocol amendment
   • Phase 3 LEVEL trial did not meet primary endpoint
   • FDA Type C meeting requested for levosimendan development
5. ROUTINE4TENAX THERAPEUTICS, INC.TENXSep 18

   Declan Doogan, insider filing for TENX

   Declan Doogan, reporting

6. ROUTINE4TENAX THERAPEUTICS, INC.TENXSep 15

   2 insider filings

   Christopher Thomas Giordano, insider filing for TENX

   Show all 2

   • 4Insider filing for TENXSep 15
   • 4Insider filing for TENXSep 15

   Christopher Thomas Giordano, reporting

7. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXSep 11

   Ownership stake disclosure by ING GROEP NV (amended)

   ING GROEP NV, filed by

8. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXSep 9

   Current report

9. ROUTINE4TENAX THERAPEUTICS, INC.TENXSep 8

   Daniel Schneeberger, insider filing for TENX

   Daniel Schneeberger, reporting · ADAR1 Capital Management, LLC, reporting

10. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXSep 8

    Ownership stake disclosure by ADAR1 Capital Management, LLC

    ADAR1 Capital Management, LLC, filed by

11. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXSep 8

    Ownership stake disclosure by FMR LLC (amended)

    FMR LLC, filed by

12. ROUTINE4TENAX THERAPEUTICS, INC.TENXSep 2

    Daniel Schneeberger, insider filing for TENX

    Daniel Schneeberger, reporting · ADAR1 Capital Management, LLC, reporting

13. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXAug 27

    Ownership stake disclosure by ING GROEP NV

    ING GROEP NV, filed by

14. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXAug 27

    Ownership stake disclosure by SPHERA FUNDS MANAGEMENT LTD.

    SPHERA FUNDS MANAGEMENT LTD., filed by

15. ROUTINE4TENAX THERAPEUTICS, INC.TENXAug 24

    2 insider filings

    Daniel Schneeberger, insider filing for TENX

    Show all 2

    • 4Insider filing for TENXAug 24
    • 3New insider at TENXAug 24

    Daniel Schneeberger, reporting · ADAR1 Capital Management, LLC, reporting

16. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXAug 18

    Ownership stake disclosure by MILLENNIUM MANAGEMENT LLC

    MILLENNIUM MANAGEMENT LLC, filed by

17. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXAug 14

    Ownership stake disclosure by Ikarian Capital, LLC (amended)

    Ikarian Capital, LLC, filed by

18. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXAug 14

    4 13G filings

    Ownership stake disclosure by PERCEPTIVE ADVISORS LLC (amended)

    Show all 4

    • SCHEDULE 13G/AOwnership stake disclosure (amended)Aug 14
    • SCHEDULE 13G/AOwnership stake disclosure (amended)Aug 14
    • SCHEDULE 13G/AOwnership stake disclosure (amended)Aug 14
    • SCHEDULE 13G/AOwnership stake disclosure (amended)Aug 14

    PERCEPTIVE ADVISORS LLC, filed by

19. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXAug 14

    Ownership stake disclosure by RTW INVESTMENTS, LP (amended)

    RTW INVESTMENTS, LP, filed by

20. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXAug 12

    Ownership stake disclosure by Adage Capital Management, L.P. (amended)

    Adage Capital Management, L.P., filed by

21. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXAug 10

    Current report

22. NOTABLESCHEDULE 13D/ATENAX THERAPEUTICS, INC.TENXJul 31

    Ownership stake disclosure by Christopher Thomas Giordano (amended)

    Christopher Thomas Giordano, filed by

23. NOTABLE10-QTENAX THERAPEUTICS, INC.TENXJul 31

    Quarterly report

24. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXJul 31

    Current report

25. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXJul 30

    Ownership stake disclosure by BlackRock, Inc.

    BlackRock, Inc., filed by

26. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXJul 17

    Ownership stake disclosure by MILLENNIUM MANAGEMENT LLC (amended)

    MILLENNIUM MANAGEMENT LLC, filed by

27. ROUTINE4TENAX THERAPEUTICS, INC.TENXJul 14

    Christopher Thomas Giordano, insider filing for TENX

    Christopher Thomas Giordano, reporting

28. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXJul 8

    Ownership stake disclosure by FMR LLC

    FMR LLC, filed by

29. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXJul 2

    Current report

30. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXJun 30

    Current report

31. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXJun 29

    Current report

32. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXJun 5

    Ownership stake disclosure by PRICE T ROWE ASSOCIATES INC /MD/ (amended)

    PRICE T ROWE ASSOCIATES INC /MD/, filed by

33. ROUTINE8-KTENAX THERAPEUTICS, INC.TENXJun 4

    Current report

34. ROUTINESCHEDULE 13GTENAX THERAPEUTICS, INC.TENXMay 20

    Ownership stake disclosure by MILLENNIUM MANAGEMENT LLC

    MILLENNIUM MANAGEMENT LLC, filed by

35. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXMay 15

    Ownership stake disclosure by Logos Global Management LP (amended)

    Logos Global Management LP, filed by

36. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXMay 15

    6 13G filings

    Ownership stake disclosure by Stonepine Capital Management, LLC (amended)

    Show all 6

    • SCHEDULE 13G/AOwnership stake disclosure (amended)May 15
    • SCHEDULE 13G/AOwnership stake disclosure (amended)May 15
    • SCHEDULE 13G/AOwnership stake disclosure (amended)May 15
    • SCHEDULE 13G/AOwnership stake disclosure (amended)May 15
    • SCHEDULE 13G/AOwnership stake disclosure (amended)May 15
    • SCHEDULE 13G/AOwnership stake disclosure (amended)May 15

    Stonepine Capital Management, LLC, filed by

37. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXMay 15

    Ownership stake disclosure by Dellora Investments LP (amended)

    Dellora Investments LP, filed by

38. ROUTINESCHEDULE 13G/ATENAX THERAPEUTICS, INC.TENXMay 15

    Ownership stake disclosure by RTW INVESTMENTS, LP (amended)

    RTW INVESTMENTS, LP, filed by

39. ROUTINE4TENAX THERAPEUTICS, INC.TENXMay 13

    2 insider filings

    Thomas R Staab II, insider filing for TENX

    Show all 2

    • 4Insider filing for TENXMay 13
    • 3New insider at TENXMay 13

    Thomas R Staab II, reporting

Older filings on EDGAR