Proto Labs Inc SEC filings

Filings

1. 144Proto Labs IncPRLBSep 25

   Michael R. Kenison, planned sale of PRLB shares

   Michael R. Kenison, reporting

2. 4Proto Labs IncPRLBSep 25

   Daniel Schumacher, insider filing for PRLB

   Daniel Schumacher, reporting

3. 144Proto Labs IncPRLBSep 24

   2 Form 144 notices

   Daniel Schumacher, planned sale of PRLB shares

   Show all 2

   • 144Planned insider sale of PRLB sharesSep 24
   • 144Planned insider sale of PRLB sharesSep 24

   Daniel Schumacher, reporting

4. 4Proto Labs IncPRLBSep 18

   Daniel Schumacher, insider filing for PRLB

   Daniel Schumacher, reporting

5. 144Proto Labs IncPRLBSep 17

   Daniel Schumacher, planned sale of PRLB shares

   Daniel Schumacher, reporting

6. 144Proto Labs IncPRLBSep 16

   Daniel Schumacher, planned sale of PRLB shares

   Daniel Schumacher, reporting

7. 3Proto Labs IncPRLBSep 10

   Salam Ramahi, new insider at PRLB

   Salam Ramahi, reporting

8. 8-KProto Labs IncPRLBAug 24

   Current report

9. SCHEDULE 13G/AProto Labs IncPRLBAug 14

   Ownership stake disclosure by DISCIPLINED GROWTH INVESTORS INC /MN (amended)

   DISCIPLINED GROWTH INVESTORS INC /MN, filed by

10. 144Proto Labs IncPRLBAug 4

    Michael R. Kenison, planned sale of PRLB shares

    Michael R. Kenison, reporting

11. S-8Proto Labs IncPRLBJul 31

    Employee stock plan registration

12. 10-QProto Labs IncPRLBJul 31

    Quarterly report

13. 8-KProto Labs IncPRLBJul 31

    Current report

14. SCHEDULE 13G/AProto Labs IncPRLBJul 14

    Ownership stake disclosure by DIMENSIONAL FUND ADVISORS LP (amended)

    DIMENSIONAL FUND ADVISORS LP, filed by

15. 4Proto Labs IncPRLBJun 4

    Sven Wehrwein, insider filing for PRLB

    Sven Wehrwein, reporting

16. 144Proto Labs IncPRLBJun 1

    Sven Wehrwein, planned sale of PRLB shares

    Sven Wehrwein, reporting

17. SDProto Labs IncPRLBMay 28

    Conflict minerals report

18. 4Proto Labs IncPRLBMay 27

    Suresh Krishna, insider filing for PRLB

    Suresh Krishna, reporting

19. 4Proto Labs IncPRLBMay 22

    3 insider filings

    Daniel Schumacher, insider filing for PRLB

    Show all 3

    • 4Insider filing for PRLBMay 22
    • 4Insider filing for PRLBMay 22
    • 3New insider at PRLBMay 22

    Daniel Schumacher, reporting

20. 4Proto Labs IncPRLBMay 21

    6 insider filings

    Archie C. Black, insider filing for PRLB

    Show all 6

    • 4Insider filing for PRLBMay 21
    • 4Insider filing for PRLBMay 21
    • 4Insider filing for PRLBMay 21
    • 4Insider filing for PRLBMay 21
    • 4Insider filing for PRLBMay 21
    • 4Insider filing for PRLBMay 21

    Archie C. Black, reporting

21. 8-KProto Labs IncPRLBMay 20

    Current report

22. SCHEDULE 13G/AProto Labs IncPRLBMay 15

    Ownership stake disclosure by DISCIPLINED GROWTH INVESTORS INC /MN (amended)

    DISCIPLINED GROWTH INVESTORS INC /MN, filed by

23. 4Proto Labs IncPRLBMay 13

    Michael R. Kenison, insider filing for PRLB

    Michael R. Kenison, reporting

24. 144Proto Labs IncPRLBMay 12

    Michael R. Kenison, planned sale of PRLB shares

    Michael R. Kenison, reporting

25. 144Proto Labs IncPRLBMay 11

    Michael R. Kenison, planned sale of PRLB shares

    Michael R. Kenison, reporting

26. 4Proto Labs IncPRLBMay 8

    Michael R. Kenison, insider filing for PRLB

    Michael R. Kenison, reporting

27. 144Proto Labs IncPRLBMay 7

    Michael R. Kenison, planned sale of PRLB shares

    Michael R. Kenison, reporting

28. 8-KProto Labs IncPRLBMay 7

    Current report

29. 10-QProto Labs IncPRLBMay 1

    Quarterly report

30. SCHEDULE 13GProto Labs IncPRLBApr 30

    Ownership stake disclosure by VANGUARD CAPITAL MANAGEMENT LLC

    VANGUARD CAPITAL MANAGEMENT LLC, filed by

31. SCHEDULE 13GProto Labs IncPRLBApr 29

    Ownership stake disclosure by VANGUARD PORTFOLIO MANAGEMENT LLC

    VANGUARD PORTFOLIO MANAGEMENT LLC, filed by

32. ARSProto Labs IncPRLBApr 8

    Annual report to shareholders

33. DEFA14AProto Labs IncPRLBApr 8

    Additional proxy materials

34. DEF 14AProto Labs IncPRLBApr 8

    Proxy statement

35. SCHEDULE 13G/AProto Labs IncPRLBMar 27

    Ownership stake disclosure by VANGUARD GROUP INC (amended)

    VANGUARD GROUP INC, filed by

36. 10-KProto Labs IncPRLBFeb 20

    Annual report

37. 4Proto Labs IncPRLBFeb 18

    2 insider filings

    Michael R. Kenison, insider filing for PRLB

    Show all 2

    • 4Insider filing for PRLBFeb 18
    • 4Insider filing for PRLBFeb 18

    Michael R. Kenison, reporting

38. SCHEDULE 13G/AProto Labs IncPRLBFeb 17

    Ownership stake disclosure by DISCIPLINED GROWTH INVESTORS INC /MN (amended)

    DISCIPLINED GROWTH INVESTORS INC /MN, filed by

39. 4Proto Labs IncPRLBFeb 12

    2 insider filings

    Michael R. Kenison, insider filing for PRLB

    Show all 2

    • 4Insider filing for PRLBFeb 12
    • 4Insider filing for PRLBFeb 12

    Michael R. Kenison, reporting

40. 4Proto Labs IncPRLBFeb 9

    Michael R. Kenison, insider filing for PRLB

    Michael R. Kenison, reporting

Older filings on EDGAR