Protagonist Therapeutics, Inc SEC filings

Filings

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

1. ROUTINE4Protagonist Therapeutics, IncPTGXOct 2

   Protagonist Therapeutics, Inc. (PTGX) reports insider transaction.

   • Ali Asif, CFO, sold 58,629 shares on 09/30/2026.
   • Shares sold at prices between $140.16 and $143.45.
   • Received 53,639 shares through stock options on 09/30/2026.

   Asif Ali

2. ROUTINE144Protagonist Therapeutics, IncPTGXSep 30

   Asif Ali, planned sale of PTGX shares

   Asif Ali, reporting

3. ROUTINE4Protagonist Therapeutics, IncPTGXSep 10

   PATEL DINESH V PH D, insider filing for PTGX

   Dinesh V Ph D Patel, reporting

4. ROUTINE4Protagonist Therapeutics, IncPTGXSep 8

   PATEL DINESH V PH D, insider filing for PTGX

   Dinesh V Ph D Patel, reporting

5. ROUTINE4Protagonist Therapeutics, IncPTGXAug 17

   PATEL DINESH V PH D, insider filing for PTGX

   Dinesh V Ph D Patel, reporting

6. ROUTINESCHEDULE 13G/AProtagonist Therapeutics, IncPTGXAug 13

   Ownership stake disclosure by FARALLON CAPITAL MANAGEMENT, L.L.C. (amended)

   FARALLON CAPITAL MANAGEMENT, L.L.C., filed by

7. ROUTINE144Protagonist Therapeutics, IncPTGXAug 10

   PATEL DINESH V PH D, planned sale of PTGX shares

   Dinesh V Ph D Patel, reporting

8. ROUTINESCHEDULE 13GProtagonist Therapeutics, IncPTGXAug 7

   Ownership stake disclosure by STATE STREET CORP

   STATE STREET CORP, filed by

9. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

   S-8 POS filing

10. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

11. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

12. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

13. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

14. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

15. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

16. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

17. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

18. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

19. ROUTINES-8 POSProtagonist Therapeutics, IncPTGXAug 5

    S-8 POS filing

20. ROUTINES-8Protagonist Therapeutics, IncPTGXAug 5

    Employee stock plan registration

21. NOTABLE10-QProtagonist Therapeutics, IncPTGXAug 5

    Quarterly report

22. ROUTINE8-KProtagonist Therapeutics, IncPTGXAug 5

    Current report

23. ROUTINE4Protagonist Therapeutics, IncPTGXJun 25

    William D. Waddill, insider filing for PTGX

    William D. Waddill, reporting

24. ROUTINE144Protagonist Therapeutics, IncPTGXJun 23

    William D. Waddill, planned sale of PTGX shares

    William D. Waddill, reporting

25. ROUTINE8-KProtagonist Therapeutics, IncPTGXJun 18

    Current report

26. ROUTINE4Protagonist Therapeutics, IncPTGXJun 11

    William D. Waddill, insider filing for PTGX

    William D. Waddill, reporting

27. ROUTINE144Protagonist Therapeutics, IncPTGXJun 10

    William D. Waddill, planned sale of PTGX shares

    William D. Waddill, reporting

28. ROUTINE4Protagonist Therapeutics, IncPTGXJun 1

    William D. Waddill, insider filing for PTGX

    William D. Waddill, reporting

29. ROUTINE144Protagonist Therapeutics, IncPTGXMay 29

    William D. Waddill, planned sale of PTGX shares

    William D. Waddill, reporting

30. ROUTINE4/AProtagonist Therapeutics, IncPTGXMay 14

    PATEL DINESH V PH D, insider filing for PTGX (amended)

    Dinesh V Ph D Patel, reporting

31. ROUTINE4Protagonist Therapeutics, IncPTGXMay 12

    PATEL DINESH V PH D, insider filing for PTGX

    Dinesh V Ph D Patel, reporting

32. ROUTINE144Protagonist Therapeutics, IncPTGXMay 12

    PATEL DINESH V PH D, planned sale of PTGX shares

    Dinesh V Ph D Patel, reporting

33. ROUTINESCHEDULE 13GProtagonist Therapeutics, IncPTGXMay 12

    Ownership stake disclosure by STATE STREET CORP

    STATE STREET CORP, filed by

34. ROUTINE4Protagonist Therapeutics, IncPTGXMay 11

    Bryan Giraudo, insider filing for PTGX

    Bryan Giraudo, reporting

35. ROUTINE144Protagonist Therapeutics, IncPTGXMay 8

    Bryan Giraudo, planned sale of PTGX shares

    Bryan Giraudo, reporting

36. ROUTINE144Protagonist Therapeutics, IncPTGXMay 7

    2 Form 144 notices

    Bryan Giraudo, planned sale of PTGX shares

    Show all 2

    • 144Planned insider sale of PTGX sharesMay 7
    • 144Planned insider sale of PTGX sharesMay 7

    Bryan Giraudo, reporting

37. NOTABLE10-QProtagonist Therapeutics, IncPTGXMay 5

    Quarterly report

38. ROUTINE8-KProtagonist Therapeutics, IncPTGXMay 5

    Current report

39. ROUTINESCHEDULE 13GProtagonist Therapeutics, IncPTGXApr 30

    Ownership stake disclosure by VANGUARD CAPITAL MANAGEMENT LLC

    VANGUARD CAPITAL MANAGEMENT LLC, filed by

40. ROUTINESCHEDULE 13GProtagonist Therapeutics, IncPTGXApr 29

    Ownership stake disclosure by VANGUARD PORTFOLIO MANAGEMENT LLC

    VANGUARD PORTFOLIO MANAGEMENT LLC, filed by

41. ROUTINEARSProtagonist Therapeutics, IncPTGXApr 28

    Annual report to shareholders

42. ROUTINEDEFA14AProtagonist Therapeutics, IncPTGXApr 28

    Additional proxy materials

43. ROUTINEDEF 14AProtagonist Therapeutics, IncPTGXApr 28

    Proxy statement

44. ROUTINE4Protagonist Therapeutics, IncPTGXApr 24

    PATEL DINESH V PH D, insider filing for PTGX

    Dinesh V Ph D Patel, reporting

45. ROUTINE4Protagonist Therapeutics, IncPTGXApr 21

    Asif Ali, insider filing for PTGX

    Asif Ali, reporting

46. ROUTINE144Protagonist Therapeutics, IncPTGXApr 21

    Asif Ali, planned sale of PTGX shares

    Asif Ali, reporting

47. ROUTINE4Protagonist Therapeutics, IncPTGXMar 27

    3 insider filings

    Arturo Md Molina, insider filing for PTGX

    Show all 3

    • 4Insider filing for PTGXMar 27
    • 4Insider filing for PTGXMar 27
    • 4Insider filing for PTGXMar 27

    Arturo Molina Md, reporting

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