Onterris, Inc. SEC filings

Filings

1. 8-KOnterris, Inc.MEGOct 8

   Onterris, Inc. (MEG) reports director resignation.

   • Director Janet Risi Field resigned on October 7, 2026.
   • Resignation was for personal reasons.
   • No disagreement with company operations or policies.
2. SCHEDULE 13GOnterris, Inc.MEGSep 8

   Ownership stake disclosure by FMR LLC

   FMR LLC, filed by

3. SCHEDULE 13GOnterris, Inc.MEGAug 14

   Ownership stake disclosure by NOMURA ASSET MANAGEMENT INTERNATIONAL INC.

   NOMURA ASSET MANAGEMENT INTERNATIONAL INC., filed by

4. CERTOnterris, Inc.MEGAug 11

   CERT filing

5. 8-A12B/AOnterris, Inc.MEGAug 10

   8-A12B filing (amended)

6. 8-K/AOnterris, Inc.MEGAug 10

   Current report (amended)

7. 10-QOnterris, Inc.MEGAug 6

   Quarterly report

8. 8-A12BOnterris, Inc.MEGAug 5

   8-A12B filing

9. 8-KOnterris, Inc.MEGAug 5

   Current report

10. 8-KOnterris, Inc.MEGAug 5

    Current report

11. 4Onterris, Inc.MEGJun 8

    Peter Graham, insider filing for MEG

    Peter Graham, reporting

12. 4Onterris, Inc.MEGJun 5

    Peter Graham, insider filing for MEG

    Peter Graham, reporting

13. 4Onterris, Inc.ONTMay 12

    2 insider filings

    Jose Revuelta, insider filing for ONT

    Show all 2

    • 4Insider filing for ONTMay 12
    • 4Insider filing for ONTMay 12

    Jose Revuelta, reporting

14. 8-KOnterris, Inc.MEGMay 11

    Current report

15. SCHEDULE 13GOnterris, Inc.MEGMay 11

    Ownership stake disclosure by GOLDMAN SACHS ASSET MANAGEMENT, L.P.

    GOLDMAN SACHS ASSET MANAGEMENT, L.P., filed by

16. 10-QOnterris, Inc.MEGMay 7

    Quarterly report

17. 8-KOnterris, Inc.MEGMay 6

    Current report

18. 8-KMontrose Environmental Group, Inc.MEGApr 21

    Current report

19. SCHEDULE 13G/AMontrose Environmental Group, Inc.MEGMar 27

    Ownership stake disclosure by VANGUARD GROUP INC (amended)

    VANGUARD GROUP INC, filed by

20. ARSMontrose Environmental Group, Inc.MEGMar 24

    Annual report to shareholders

21. DEFA14AMontrose Environmental Group, Inc.MEGMar 24

    Additional proxy materials

22. DEF 14AMontrose Environmental Group, Inc.MEGMar 24

    Proxy statement

23. 4Montrose Environmental Group, Inc.MEGMar 16

    2 insider filings

    Vijay Manthripragada, insider filing for MEG

    Show all 2

    • 4Insider filing for MEGMar 16
    • 4Insider filing for MEGMar 16

    Vijay Manthripragada, reporting

24. 4Montrose Environmental Group, Inc.MEGMar 13

    James Laws, insider filing for MEG

    James Laws, reporting

25. 144Montrose Environmental Group, Inc.MEGMar 13

    Vijay Manthripragada, planned sale of MEG shares

    Vijay Manthripragada, reporting

26. 3Montrose Environmental Group, Inc.MEGMar 12

    James Laws, new insider at MEG

    James Laws, reporting

27. 4/AMontrose Environmental Group, Inc.MEGMar 11

    2 insider filings

    Jose Revuelta, insider filing for MEG (amended)

    Show all 2

    • 4/AInsider filing for MEG (amended)Mar 11
    • 4Insider filing for MEGMar 11

    Jose Revuelta, reporting

28. 144Montrose Environmental Group, Inc.MEGMar 9

    Jose Revuelta, planned sale of MEG shares

    Jose Revuelta, reporting

29. 4Montrose Environmental Group, Inc.MEGMar 5

    Jose Revuelta, insider filing for MEG

    Jose Revuelta, reporting

30. 4Montrose Environmental Group, Inc.MEGMar 4

    2 insider filings

    Nasym Afsari, insider filing for MEG

    Show all 2

    • 4Insider filing for MEGMar 4
    • 4Insider filing for MEGMar 4

    Nasym Afsari, reporting

31. 144Montrose Environmental Group, Inc.MEGMar 4

    Jose Revuelta, planned sale of MEG shares

    Jose Revuelta, reporting

32. 144Montrose Environmental Group, Inc.MEGMar 3

    2 Form 144 notices

    Nasym Afsari, planned sale of MEG shares

    Show all 2

    • 144Planned insider sale of MEG sharesMar 3
    • 144Planned insider sale of MEG sharesMar 3

    Nasym Afsari, reporting

33. 144Montrose Environmental Group, Inc.MEGMar 2

    Nasym Afsari, planned sale of MEG shares

    Nasym Afsari, reporting

34. 144Montrose Environmental Group, Inc.MEGMar 2

    J Thomas Presby, planned sale of MEG shares

    J Thomas Presby, reporting

35. S-8Montrose Environmental Group, Inc.MEGFeb 26

    Employee stock plan registration

36. 10-KMontrose Environmental Group, Inc.MEGFeb 26

    Annual report

37. 8-KMontrose Environmental Group, Inc.MEGFeb 25

    Current report

38. SCHEDULE 13G/AMontrose Environmental Group, Inc.MEGFeb 13

    Ownership stake disclosure by MACQUARIE GROUP LTD (amended)

    MACQUARIE GROUP LTD, filed by

39. 8-KMontrose Environmental Group, Inc.MEGJan 20

    Current report

40. 4Montrose Environmental Group, Inc.MEGJan 6

    6 insider filings

    J Thomas Presby, insider filing for MEG

    Show all 6

    • 4Insider filing for MEGJan 6
    • 4Insider filing for MEGJan 6
    • 4Insider filing for MEGJan 6
    • 4Insider filing for MEGJan 6
    • 4Insider filing for MEGJan 6
    • 4Insider filing for MEGJan 6

    J Thomas Presby, reporting

Older filings on EDGAR