ALX ONCOLOGY HOLDINGS INC SEC filings

Filings

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

1. NOTABLESCHEDULE 13D/AALX ONCOLOGY HOLDINGS INCALXO2d

   ALXO files Schedule 13D/A amendment

   • Amendment No. 2 to Schedule 13D filed on 2026-10-16
   • Fund I surrendered 253,826 shares for a pre-funded warrant
   • Pre-Funded Warrant allows purchase of 253,826 shares at $0.001 per share

   venBio Global Strategic Fund, L.P., filed by

2. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXO3d

   ALXO exchanges shares for warrants

   • 13,353,384 shares exchanged for pre-funded warrants
   • Blackstone Annex Master Fund involved with 12,885,891 shares
   • Warrants exercisable at $0.001 per share
3. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOAug 18

   2 insider filings

   Jason Lettmann, insider filing for ALXO

   Show all 2

   • 4Insider filing for ALXOAug 18
   • 4Insider filing for ALXOAug 18

   Jason Lettmann, reporting

4. ROUTINESCHEDULE 13G/AALX ONCOLOGY HOLDINGS INCALXOAug 14

   Ownership stake disclosure by TCG Crossover GP II, LLC (amended)

   TCG Crossover GP II, LLC, filed by

5. NOTABLE10-QALX ONCOLOGY HOLDINGS INCALXOAug 6

   Quarterly report

6. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOAug 6

   Current report

7. ROUTINESCHEDULE 13GALX ONCOLOGY HOLDINGS INCALXOJul 27

   Ownership stake disclosure by BlackRock, Inc.

   BlackRock, Inc., filed by

8. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOJul 6

   Shelly Wong, insider filing for ALXO

   Shelly Wong, reporting

9. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOJun 30

   Current report

10. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOJun 26

    Current report

11. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOJun 11

    Current report

12. NOTABLESCHEDULE 13D/AALX ONCOLOGY HOLDINGS INCALXOMay 27

    Ownership stake disclosure by LSV Associates, LLC (amended)

    LSV Associates, LLC, filed by

13. ROUTINESCHEDULE 13G/AALX ONCOLOGY HOLDINGS INCALXOMay 15

    2 13G filings

    Ownership stake disclosure by Redmile Group, LLC (amended)

    Show all 2

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

    Redmile Group, LLC, filed by

14. NOTABLE10-QALX ONCOLOGY HOLDINGS INCALXOMay 8

    Quarterly report

15. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOMay 8

    Current report

16. ROUTINESCHEDULE 13G/AALX ONCOLOGY HOLDINGS INCALXOApr 28

    Ownership stake disclosure by MILLENNIUM MANAGEMENT LLC (amended)

    MILLENNIUM MANAGEMENT LLC, filed by

17. ROUTINEARSALX ONCOLOGY HOLDINGS INCALXOApr 20

    Annual report to shareholders

18. ROUTINEDEF 14AALX ONCOLOGY HOLDINGS INCALXOApr 20

    Proxy statement

19. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOApr 17

    3 insider filings

    Barbara Klencke, insider filing for ALXO

    Show all 3

    • 4Insider filing for ALXOApr 17
    • 4Insider filing for ALXOApr 17
    • 3New insider at ALXOApr 17

    Barbara Klencke, reporting

20. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOApr 13

    Current report

21. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOMar 23

    2 insider filings

    Shelly Pinto, insider filing for ALXO

    Show all 2

    • 4Insider filing for ALXOMar 23
    • 4Insider filing for ALXOMar 23

    Shelly Pinto, reporting

22. NOTABLE10-KALX ONCOLOGY HOLDINGS INCALXOMar 9

    Annual report

23. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOMar 5

    2 insider filings

    Barbara Klencke, insider filing for ALXO

    Show all 2

    • 4Insider filing for ALXOMar 5
    • 3New insider at ALXOMar 5

    Barbara Klencke, reporting

24. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOFeb 27

    Current report

25. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOFeb 20

    Shelly Pinto, insider filing for ALXO

    Shelly Pinto, reporting

26. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOFeb 19

    Jason Lettmann, insider filing for ALXO

    Jason Lettmann, reporting

27. ROUTINESCHEDULE 13GALX ONCOLOGY HOLDINGS INCALXOFeb 9

    Ownership stake disclosure by RA CAPITAL MANAGEMENT, L.P.

    RA CAPITAL MANAGEMENT, L.P., filed by

28. ROUTINESCHEDULE 13GALX ONCOLOGY HOLDINGS INCALXOFeb 6

    Ownership stake disclosure by TCG Crossover GP II, LLC

    TCG Crossover GP II, LLC, filed by

29. NOTABLESCHEDULE 13D/AALX ONCOLOGY HOLDINGS INCALXOFeb 4

    Ownership stake disclosure by venBio Global Strategic Fund, L.P. (amended)

    venBio Global Strategic Fund, L.P., filed by

30. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOFeb 4

    Corey S Goodman, insider filing for ALXO

    Corey S Goodman, reporting

31. ROUTINE424B5ALX ONCOLOGY HOLDINGS INCALXOJan 30

    Securities offering

32. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOJan 30

    Current report

33. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOJan 30

    Current report

34. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOJan 28

    3 insider filings

    Harish Shantharam, insider filing for ALXO

    Show all 3

    • 4Insider filing for ALXOJan 28
    • 4Insider filing for ALXOJan 28
    • 4Insider filing for ALXOJan 28

    Harish Shantharam, reporting

35. ROUTINES-8ALX ONCOLOGY HOLDINGS INCALXOJan 21

    Employee stock plan registration

36. ROUTINE8-KALX ONCOLOGY HOLDINGS INCALXOJan 21

    Current report

37. ROUTINE4ALX ONCOLOGY HOLDINGS INCALXOJan 21

    6 insider filings

    J. Scott Garland, insider filing for ALXO

    Show all 6

    • 4Insider filing for ALXOJan 21
    • 4Insider filing for ALXOJan 21
    • 4Insider filing for ALXOJan 21
    • 4Insider filing for ALXOJan 21
    • 4Insider filing for ALXOJan 21
    • 4Insider filing for ALXOJan 21

    J. Scott Garland, reporting

Older filings on EDGAR