Proto Labs Inc

Symbol
PRLB on NYSE
Business address
5540 Pioneer Creek, Maple Plain, MN, 55359
Fiscal year end
December 31
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Proto Labs Inc has filed 833 SEC EDGAR filings since 8/18/2008

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4/A Open Document Open Filing FORM 4/A Dec 3, 2025 Nov 25, 2025
4 Open Document Open Filing FORM 4 Nov 26, 2025 Nov 25, 2025
144 Open Document Open Filing Nov 25, 2025 001-35435
144 Open Document Open Filing Nov 25, 2025 001-35435
4 Open Document Open Filing FORM 4 Nov 19, 2025 Nov 17, 2025
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2025 005-87297
144 Open Document Open Filing Nov 7, 2025 001-35435
10-Q Open Document | Data Open Filing 10-Q Oct 31, 2025 Sep 30, 2025 001-35435
8-K Open Document | Data Open Filing 8-K Oct 31, 2025 Oct 31, 2025 001-35435
3 Open Document Open Filing FORM 3 Oct 15, 2025 Oct 13, 2025
8-K Open Document | Data Open Filing FORM 8-K Oct 3, 2025 Oct 3, 2025 001-35435
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025 005-87297
4 Open Document Open Filing FORM 4 Aug 7, 2025 Aug 5, 2025
4 Open Document Open Filing FORM 4 Aug 6, 2025 Aug 4, 2025
10-Q Open Document | Data Open Filing 10-Q Jul 31, 2025 Jun 30, 2025 001-35435
8-K Open Document | Data Open Filing 8-K Jul 31, 2025 Jul 31, 2025 001-35435
SCHEDULE 13G/A Open Document Open Filing Jul 17, 2025 005-87297
8-K Open Document | Data Open Filing FORM 8-K May 30, 2025 May 24, 2025 001-35435
SD Open Document Open Filing SD May 29, 2025 001-35435
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
4 Open Document Open Filing FORM 4 May 28, 2025 May 23, 2025
3 Open Document Open Filing FORM 3 May 28, 2025 May 20, 2025
S-8 Open Document | Data Open Filing FORM S-8 May 27, 2025 333-287598
S-8 Open Document | Data Open Filing FORM S-8 May 27, 2025 333-287596
4 Open Document Open Filing FORM 4 May 22, 2025 May 20, 2025
4 Open Document Open Filing FORM 4 May 22, 2025 May 20, 2025
8-K Open Document | Data Open Filing FORM 8-K May 21, 2025 May 20, 2025 001-35435
SCHEDULE 13G/A Open Document Open Filing May 15, 2025 005-87297
10-Q Open Document | Data Open Filing 10-Q May 2, 2025 Mar 31, 2025 001-35435
8-K Open Document | Data Open Filing 8-K May 2, 2025 May 2, 2025 001-35435
ARS Open Document Open Filing ARS Apr 9, 2025 Dec 31, 2024 001-35435
DEFA14A Open Document Open Filing DEFA14A Apr 9, 2025 001-35435
DEF 14A Open Document | Data Open Filing DEF 14A Apr 9, 2025 May 20, 2025 001-35435
4 Open Document Open Filing FORM 4 Feb 27, 2025 Feb 25, 2025
4 Open Document Open Filing FORM 4 Feb 27, 2025 Feb 25, 2025
4 Open Document Open Filing FORM 4 Feb 27, 2025 Feb 25, 2025
4 Open Document Open Filing FORM 4 Feb 27, 2025 Feb 25, 2025
10-K Open Document | Data Open Filing 10-K Feb 21, 2025 Dec 31, 2024 001-35435
4 Open Document Open Filing FORM 4 Feb 18, 2025 Feb 13, 2025
4 Open Document Open Filing FORM 4 Feb 18, 2025 Feb 13, 2025
4 Open Document Open Filing FORM 4 Feb 18, 2025 Feb 13, 2025
4 Open Document Open Filing FORM 4 Feb 18, 2025 Feb 13, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025 005-87297
8-K Open Document | Data Open Filing 8-K Feb 7, 2025 Feb 7, 2025 001-35435
SCHEDULE 13G Open Document Open Filing Jan 23, 2025 005-87297
UPLOAD Open Document Open Filing Dec 12, 2024 001-35435
CORRESP Open Document Open Filing Dec 11, 2024
UPLOAD Open Document Open Filing Dec 3, 2024 001-35435
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2024 005-87297
SC 13G/A Open Document Open Filing Nov 8, 2024 005-87297
10-Q Open Document | Data Open Filing 10-Q Nov 7, 2024 Sep 30, 2024 001-35435
8-K Open Document | Data Open Filing 8-K Nov 1, 2024 Nov 1, 2024 001-35435
8-K Open Document | Data Open Filing 8-K Oct 25, 2024 Oct 21, 2024 001-35435
SC 13G/A Open Document Open Filing Oct 18, 2024 005-87297
8-K Open Document | Data Open Filing 8-K Oct 7, 2024 Oct 1, 2024 001-35435
4 Open Document Open Filing FORM 4 Sep 9, 2024 Sep 6, 2024
S-8 Open Document | Data Open Filing S-8 Aug 2, 2024 333-281217
10-Q Open Document | Data Open Filing 10-Q Aug 2, 2024 Jun 30, 2024 001-35435
8-K Open Document | Data Open Filing 8-K Aug 2, 2024 Aug 2, 2024 001-35435
8-K Open Document | Data Open Filing 8-K Jul 24, 2024 Jul 22, 2024 001-35435
SD Open Document Open Filing SD May 29, 2024 001-35435
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
4 Open Document Open Filing FORM 4 May 24, 2024 May 23, 2024
8-K Open Document | Data Open Filing 8-K May 24, 2024 May 23, 2024 001-35435
4 Open Document Open Filing FORM 4 May 22, 2024 May 20, 2024
4 Open Document Open Filing FORM 4 May 22, 2024 May 20, 2024
10-Q Open Document | Data Open Filing 10-Q May 3, 2024 Mar 31, 2024 001-35435
8-K Open Document | Data Open Filing 8-K May 3, 2024 May 3, 2024 001-35435
ARS Open Document Open Filing ARS Apr 12, 2024 Dec 31, 2023 001-35435
DEFA14A Open Document Open Filing FORM DEFA14A Apr 12, 2024 001-35435
DEF 14A Open Document | Data Open Filing DEF 14A Apr 12, 2024 May 23, 2024 001-35435
10-K Open Document | Data Open Filing 10-K Feb 16, 2024 Dec 31, 2023 001-35435
4 Open Document Open Filing FORM 4 Feb 15, 2024 Feb 13, 2024
4 Open Document Open Filing FORM 4 Feb 15, 2024 Feb 13, 2024
4 Open Document Open Filing FORM 4 Feb 15, 2024 Feb 13, 2024
4 Open Document Open Filing FORM 4 Feb 15, 2024 Feb 13, 2024
4 Open Document Open Filing FORM 4 Feb 15, 2024 Feb 13, 2024
SC 13G/A Open Document Open Filing FORM 13G/A PRLB 12-31-23 Feb 14, 2024 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 13, 2024 005-87297
8-K Open Document | Data Open Filing 8-K Feb 9, 2024 Feb 9, 2024 001-35435
SC 13G/A Open Document Open Filing Jan 22, 2024 005-87297
10-Q Open Document | Data Open Filing 10-Q Nov 3, 2023 Sep 30, 2023 001-35435
8-K Open Document | Data Open Filing 8-K Nov 3, 2023 Nov 3, 2023 001-35435
S-8 Open Document Open Filing S-8 Aug 4, 2023 333-273705
10-Q Open Document | Data Open Filing 10-Q Aug 4, 2023 Jun 30, 2023 001-35435
8-K Open Document | Data Open Filing 8-K Aug 4, 2023 Aug 4, 2023 001-35435
SD Open Document Open Filing FORM SD Jun 5, 2023 001-35435
4 Open Document Open Filing FORM 4 May 23, 2023 May 20, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
4 Open Document Open Filing FORM 4 May 19, 2023 May 17, 2023
8-K Open Document | Data Open Filing FORM 8-K May 18, 2023 May 17, 2023 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 5, 2023 Mar 31, 2023 001-35435
8-K Open Document | Data Open Filing FORM 8-K May 5, 2023 May 5, 2023 001-35435
DEFA14A Open Document Open Filing FORM DEFA14A Apr 4, 2023 001-35435
DEF 14A Open Document | Data Open Filing DEF 14A Apr 4, 2023 001-35435
10-K Open Document | Data Open Filing FORM 10-K Feb 21, 2023 Dec 31, 2022 001-35435
4 Open Document Open Filing FORM 4 Feb 15, 2023 Feb 13, 2023
4 Open Document Open Filing FORM 4 Feb 15, 2023 Feb 13, 2023
4 Open Document Open Filing FORM 4 Feb 15, 2023 Feb 13, 2023
4 Open Document Open Filing FORM 4 Feb 15, 2023 Feb 13, 2023
4 Open Document Open Filing FORM 4 Feb 15, 2023 Feb 13, 2023
SC 13G/A Open Document Open Filing PRLB SC13G-A 2022-12-31 Feb 14, 2023 005-87297
SC 13G/A Open Document Open Filing Feb 14, 2023 005-87297
8-K Open Document | Data Open Filing FORM 8-K Feb 10, 2023 Feb 7, 2023 001-35435
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 9, 2023 005-87297
SC 13G/A Open Document Open Filing Jan 23, 2023 005-87297
4 Open Document Open Filing FORM 4 Dec 5, 2022 Dec 1, 2022
8-K Open Document | Data Open Filing FORM 8-K Nov 21, 2022 Nov 17, 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K Nov 15, 2022 Nov 15, 2022 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Nov 4, 2022 Sep 30, 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K Nov 4, 2022 Nov 4, 2022 001-35435
4 Open Document Open Filing FORM 4 Sep 13, 2022 Sep 9, 2022
3 Open Document Open Filing FORM 3 Sep 13, 2022 Sep 9, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 May 23, 2022
4 Open Document Open Filing FORM 4 Sep 1, 2022 Aug 30, 2022
8-K Open Document | Data Open Filing FORM 8-K Aug 30, 2022 Aug 29, 2022 001-35435
S-8 POS Open Document Open Filing FORM S-8 POS Aug 30, 2022 333-202486
S-8 POS Open Document Open Filing FORM S-8 POS Aug 30, 2022 333-194272
S-8 POS Open Document Open Filing FORM S-8 POS Aug 30, 2022 333-179651
S-8 Open Document Open Filing FORM S-8 Aug 30, 2022 333-267156
10-Q Open Document | Data Open Filing FORM 10-Q Aug 5, 2022 Jun 30, 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K Aug 5, 2022 Aug 5, 2022 001-35435
DEFA14A Open Document Open Filing DEFA14A Jul 19, 2022 001-35435
DEF 14A Open Document Open Filing DEF14A Jul 19, 2022 Aug 29, 2022 001-35435
PRE 14A Open Document Open Filing PRE14A Jul 8, 2022 Jul 19, 2022 001-35435
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
4/A Open Document Open Filing FORM 4 Jun 10, 2022 May 18, 2022
8-K Open Document | Data Open Filing FORM 8-K Jun 6, 2022 Jun 3, 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K May 31, 2022 May 27, 2022 001-35435
SD Open Document Open Filing FORM SD May 27, 2022 001-35435
4 Open Document Open Filing FORM 4 May 25, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 25, 2022 May 23, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
4 Open Document Open Filing FORM 4 May 20, 2022 May 18, 2022
8-K Open Document | Data Open Filing FORM 8-K May 18, 2022 May 18, 2022 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 6, 2022 Mar 31, 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K May 6, 2022 May 6, 2022 001-35435
DEFA14A Open Document Open Filing DEFA14A Apr 5, 2022 001-35435
DEF 14A Open Document Open Filing DEF 14A Apr 5, 2022 May 18, 2022 001-35435
UPLOAD Open Document Open Filing Mar 31, 2022
CORRESP Open Document Open Filing Mar 25, 2022
8-K Open Document | Data Open Filing FORM 8-K Mar 16, 2022 Mar 15, 2022 001-35435
UPLOAD Open Document Open Filing Mar 15, 2022
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Mar 9, 2022 005-87297
10-K Open Document | Data Open Filing FORM 10-K Feb 18, 2022 Dec 31, 2021 001-35435
4 Open Document Open Filing FORM 4 Feb 17, 2022 Feb 15, 2022
4 Open Document Open Filing FORM 4 Feb 17, 2022 Feb 15, 2022
4 Open Document Open Filing FORM 4 Feb 17, 2022 Feb 15, 2022
4 Open Document Open Filing FORM 4 Feb 17, 2022 Feb 15, 2022
4 Open Document Open Filing FORM 4 Feb 15, 2022 Feb 13, 2022
SC 13G Open Document Open Filing 13G PRLB 2021-12-31 Feb 15, 2022 005-87297
SC 13G/A Open Document Open Filing HARDING LOEVNER LP Feb 14, 2022 005-87297
SC 13G/A Open Document Open Filing Feb 14, 2022 005-87297
SC 13G/A Open Document Open Filing SC13G/A Feb 14, 2022 005-87297
8-K Open Document | Data Open Filing FORM 8-K Feb 11, 2022 Feb 11, 2022 001-35435
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 10, 2022 005-87297
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 Feb 4, 2022 005-87297
SC 13G/A Open Document Open Filing Jan 27, 2022 005-87297
SC 13G/A Open Document Open Filing Jan 26, 2022 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT Jan 21, 2022 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT Jan 21, 2022 005-87297
8-K Open Document | Data Open Filing FORM 8-K Dec 10, 2021 Dec 8, 2021 001-35435
4 Open Document Open Filing FORM 4 Dec 6, 2021 Dec 3, 2021
4 Open Document Open Filing FORM 4 Dec 3, 2021 Dec 1, 2021
3 Open Document Open Filing FORM 3 Dec 3, 2021 Dec 1, 2021
4 Open Document Open Filing FORM 4 Dec 1, 2021 Dec 1, 2021
4 Open Document Open Filing FORM 4 Nov 22, 2021 Nov 15, 2021
3 Open Document Open Filing FORM 3 Nov 22, 2021 Nov 15, 2021
8-K Open Document | Data Open Filing FORM 8-K Nov 16, 2021 Nov 15, 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K Nov 5, 2021 Nov 3, 2021 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Nov 2, 2021 Sep 30, 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K Oct 28, 2021 Oct 28, 2021 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Aug 3, 2021 Jun 30, 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K Jul 29, 2021 Jul 29, 2021 001-35435
3 Open Document Open Filing FORM 3 Jun 30, 2021 Jun 28, 2021
SC 13G/A Open Document Open Filing Jun 10, 2021 005-87297
SD Open Document Open Filing FORM SD May 27, 2021 001-35435
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
4 Open Document Open Filing FORM 4 May 20, 2021 May 18, 2021
8-K Open Document | Data Open Filing FORM 8-K May 18, 2021 May 18, 2021 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 10, 2021 Mar 31, 2021 001-35435
4 Open Document Open Filing FORM 4 May 6, 2021 May 4, 2021
8-K Open Document | Data Open Filing FORM 8-K May 6, 2021 May 6, 2021 001-35435
DEFA14A Open Document Open Filing DEFA14A Apr 6, 2021 001-35435
DEF 14A Open Document Open Filing DEF 14A Apr 6, 2021 May 18, 2021 001-35435
4 Open Document Open Filing FORM 4 Mar 3, 2021 Mar 1, 2021
4 Open Document Open Filing FORM 4 Mar 3, 2021 Mar 1, 2021
10-K Open Document | Data Open Filing FORM 10-K Feb 19, 2021 Dec 31, 2020 001-35435
4 Open Document Open Filing FORM 4 Feb 18, 2021 Feb 16, 2021
4 Open Document Open Filing FORM 4 Feb 18, 2021 Feb 16, 2021
4 Open Document Open Filing FORM 4 Feb 18, 2021 Feb 16, 2021
4 Open Document Open Filing FORM 4 Feb 18, 2021 Feb 16, 2021
4 Open Document Open Filing FORM 4 Feb 18, 2021 Feb 16, 2021
SC 13G/A Open Document Open Filing SC 13G/A Feb 16, 2021 005-87297
SC 13G Open Document Open Filing HARDING LOEVNER LP Feb 16, 2021 005-87297
S-3ASR Open Document Open Filing FORM S-3ASR Feb 16, 2021 333-253112
SC 13G/A Open Document Open Filing Feb 12, 2021 005-87297
8-K Open Document | Data Open Filing FORM 8-K Feb 12, 2021 Feb 12, 2021 001-35435
SC 13G Open Document Open Filing SC 13G Feb 11, 2021 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 10, 2021 005-87297
SC 13G Open Document Open Filing Feb 5, 2021 005-87297
8-K Open Document | Data Open Filing FORM 8-K Feb 4, 2021 Jan 29, 2021 001-35435
SC 13G Open Document Open Filing Jan 25, 2021 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #7 Jan 25, 2021 005-87297
8-K Open Document | Data Open Filing FORM 8-K Jan 25, 2021 Jan 22, 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K Jan 19, 2021 Jan 18, 2021 001-35435
4 Open Document Open Filing FORM 4 Dec 22, 2020 Dec 18, 2020
8-K Open Document | Data Open Filing FORM 8-K Dec 14, 2020 Dec 9, 2020 001-35435
4 Open Document Open Filing FORM 4 Dec 3, 2020 Dec 1, 2020
10-Q Open Document | Data Open Filing FORM 10-Q Nov 3, 2020 Sep 30, 2020 001-35435
8-K Open Document | Data Open Filing FORM 8-K Oct 29, 2020 Oct 29, 2020 001-35435
SC 13G Open Document Open Filing SC 13G Oct 9, 2020 005-87297
4 Open Document Open Filing FORM 4 Sep 8, 2020 Sep 3, 2020
4 Open Document Open Filing FORM 4 Aug 26, 2020 Aug 24, 2020
4 Open Document Open Filing FORM 4 Aug 12, 2020 Aug 11, 2020
4 Open Document Open Filing FORM 4 Aug 10, 2020 Aug 6, 2020
10-Q Open Document | Data Open Filing FORM 10-Q Jul 31, 2020 Jun 30, 2020 001-35435
8-K Open Document | Data Open Filing FORM 8-K Jul 28, 2020 Jul 28, 2020 001-35435
SD Open Document Open Filing FORM SD May 29, 2020 001-35435
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 21, 2020 May 19, 2020
4 Open Document Open Filing FORM 4 May 20, 2020 May 18, 2020
8-K Open Document | Data Open Filing FORM 8-K May 19, 2020 May 19, 2020 001-35435
4 Open Document Open Filing FORM 4 May 6, 2020 May 4, 2020
10-Q Open Document | Data Open Filing FORM 10-Q May 5, 2020 Mar 31, 2020 001-35435
4 Open Document Open Filing FORM 4 May 4, 2020 Apr 30, 2020
8-K Open Document | Data Open Filing FORM 8-K Apr 30, 2020 Apr 30, 2020 001-35435
8-K Open Document | Data Open Filing FORM 8-K Apr 30, 2020 Apr 30, 2020 001-35435
4 Open Document Open Filing FORM 4 Apr 15, 2020 Apr 13, 2020
DEFA14A Open Document Open Filing DEFA14A Apr 6, 2020 001-35435
DEF 14A Open Document Open Filing DEF 14A Apr 6, 2020 May 19, 2020 001-35435
4 Open Document Open Filing FORM 4 Mar 11, 2020 Mar 9, 2020
10-K Open Document | Data Open Filing FORM 10-K Feb 26, 2020 Dec 31, 2019 001-35435
4 Open Document Open Filing FORM 4 Feb 18, 2020 Feb 13, 2020
4 Open Document Open Filing FORM 4 Feb 18, 2020 Feb 13, 2020
4 Open Document Open Filing FORM 4 Feb 18, 2020 Feb 13, 2020
4 Open Document Open Filing FORM 4 Feb 18, 2020 Feb 13, 2020
4 Open Document Open Filing FORM 4 Feb 18, 2020 Feb 13, 2020
SC 13G/A Open Document Open Filing Feb 14, 2020 005-87297
4 Open Document Open Filing FORM 4 Feb 12, 2020 Feb 10, 2020
4 Open Document Open Filing FORM 4 Feb 12, 2020 Feb 10, 2020
4 Open Document Open Filing FORM 4 Feb 12, 2020 Feb 10, 2020
4 Open Document Open Filing FORM 4 Feb 12, 2020 Feb 10, 2020
4 Open Document Open Filing FORM 4 Feb 12, 2020 Feb 10, 2020
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 12, 2020 005-87297
8-K Open Document | Data Open Filing FORM 8-K Feb 6, 2020 Feb 6, 2020 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #6 Feb 5, 2020 005-87297
SC 13G/A Open Document Open Filing Feb 4, 2020 005-87297
4 Open Document Open Filing FORM 4 Dec 3, 2019 Dec 1, 2019
4 Open Document Open Filing FORM 4 Dec 3, 2019 Dec 1, 2019
4 Open Document Open Filing FORM 4 Nov 12, 2019 Nov 8, 2019
10-Q Open Document | Data Open Filing FORM 10-Q Oct 29, 2019 Sep 30, 2019 001-35435
8-K Open Document | Data Open Filing FORM 8-K Oct 24, 2019 Oct 24, 2019 001-35435
4 Open Document Open Filing FORM 4 Aug 5, 2019 Aug 1, 2019
3 Open Document Open Filing FORM 3 Aug 5, 2019 Aug 1, 2019
8-K Open Document | Data Open Filing FORM 8-K Aug 2, 2019 Jul 29, 2019 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Jul 30, 2019 Jun 30, 2019 001-35435
8-K Open Document | Data Open Filing FORM 8-K Jul 25, 2019 Jul 25, 2019 001-35435
SD Open Document Open Filing FORM SD May 31, 2019 001-35435
4 Open Document Open Filing FORM 4 May 17, 2019 May 15, 2019
4 Open Document Open Filing FORM 4 May 17, 2019 May 15, 2019
4 Open Document Open Filing FORM 4 May 17, 2019 May 15, 2019
4 Open Document Open Filing FORM 4 May 17, 2019 May 15, 2019
4 Open Document Open Filing FORM 4 May 17, 2019 May 15, 2019
4 Open Document Open Filing FORM 4 May 17, 2019 May 15, 2019
8-K Open Document Open Filing FORM 8-K May 16, 2019 May 15, 2019 001-35435
8-K Open Document Open Filing FORM 8-K May 14, 2019 May 8, 2019 001-35435
4 Open Document Open Filing FORM 4 May 7, 2019 May 4, 2019
10-Q Open Document | Data Open Filing FORM 10-Q Apr 30, 2019 Mar 31, 2019 001-35435
8-K Open Document Open Filing FORM 8-K Apr 25, 2019 Apr 25, 2019 001-35435
DEF 14A Open Document Open Filing FORM DEF 14A Apr 5, 2019 May 15, 2019 001-35435
SC 13G/A Open Document Open Filing Mar 11, 2019 005-87297
10-K Open Document | Data Open Filing FORM 10-K Feb 22, 2019 Dec 31, 2018 001-35435
4 Open Document Open Filing FORM 4 Feb 15, 2019 Feb 13, 2019
4 Open Document Open Filing FORM 4 Feb 15, 2019 Feb 13, 2019
4 Open Document Open Filing FORM 4 Feb 15, 2019 Feb 13, 2019
SC 13G/A Open Document Open Filing Feb 14, 2019 005-87297
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
4 Open Document Open Filing FORM 4 Feb 13, 2019 Feb 11, 2019
SC 13G/A Open Document Open Filing Feb 12, 2019 005-87297
8-K Open Document Open Filing FORM 8-K Feb 7, 2019 Feb 7, 2019 001-35435
SC 13G/A Open Document Open Filing Jan 31, 2019 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #5 Jan 25, 2019 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Jan 15, 2019 005-87297
4 Open Document Open Filing FORM 4 Dec 20, 2018 Dec 1, 2018
3/A Open Document Open Filing FORM 3/A Dec 20, 2018 Feb 22, 2018
4 Open Document Open Filing FORM 4 Dec 19, 2018 Dec 1, 2018
10-Q Open Document | Data Open Filing FORM 10-Q Oct 30, 2018 Sep 30, 2018 001-35435
8-K Open Document Open Filing FORM 8-K Oct 25, 2018 Oct 25, 2018 001-35435
4 Open Document Open Filing FORM 4 Oct 24, 2018 Oct 22, 2018
4 Open Document Open Filing FORM 4 Sep 26, 2018 Sep 24, 2018
4 Open Document Open Filing FORM 4 Sep 18, 2018 Sep 14, 2018
4 Open Document Open Filing FORM 4 Sep 11, 2018 Sep 4, 2018
4 Open Document Open Filing FORM 4 Sep 4, 2018 Aug 30, 2018
4 Open Document Open Filing FORM 4 Aug 28, 2018 Aug 24, 2018
4 Open Document Open Filing FORM 4 Aug 27, 2018 Aug 23, 2018
4 Open Document Open Filing FORM 4 Aug 2, 2018 Jul 31, 2018
10-Q Open Document | Data Open Filing FORM 10-Q Aug 1, 2018 Jun 30, 2018 001-35435
4 Open Document Open Filing FORM 4 Jul 30, 2018 Jul 26, 2018
8-K Open Document Open Filing FORM 8-K Jul 26, 2018 Jul 26, 2018 001-35435
4 Open Document Open Filing FORM 4 Jun 19, 2018 Jun 15, 2018
4 Open Document Open Filing FORM 4 Jun 18, 2018 Jun 14, 2018
4 Open Document Open Filing BODOR FORM 4 Jun 14, 2018 Jun 12, 2018
SD Open Document Open Filing FORM SD Jun 4, 2018 001-35435
4 Open Document Open Filing FORM 4 Jun 1, 2018 May 30, 2018
8-K Open Document Open Filing FORM 8-K May 25, 2018 May 25, 2018 001-35435
4 Open Document Open Filing FORM 4 May 18, 2018 May 16, 2018
4 Open Document Open Filing FORM 4 May 18, 2018 May 16, 2018
4 Open Document Open Filing FORM 4 May 18, 2018 May 16, 2018
4 Open Document Open Filing FORM 4 May 18, 2018 May 16, 2018
4 Open Document Open Filing FORM 4 May 18, 2018 May 16, 2018
4 Open Document Open Filing FORM 4 May 18, 2018 May 16, 2018
8-K Open Document Open Filing FORM 8-K May 16, 2018 May 16, 2018 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 1, 2018 Mar 31, 2018 001-35435
4 Open Document Open Filing FORM 4 Apr 26, 2018 Apr 24, 2018
8-K Open Document Open Filing FORM 8-K Apr 26, 2018 Apr 26, 2018 001-35435
4 Open Document Open Filing FORM 4 Apr 13, 2018 Apr 11, 2018
DEF 14A Open Document Open Filing FORM DEF 14A Apr 6, 2018 May 16, 2018 001-35435
4 Open Document Open Filing FORM 4 Mar 26, 2018 May 8, 2017
4 Open Document Open Filing FORM 4 Mar 16, 2018 Mar 14, 2018
3 Open Document Open Filing FORM 4 Feb 28, 2018 Feb 22, 2018
10-K Open Document | Data Open Filing FORM 10-K Feb 23, 2018 Dec 31, 2017 001-35435
4 Open Document Open Filing FORM 4 Feb 21, 2018 Dec 1, 2017
4 Open Document Open Filing FORM 4 Feb 16, 2018 Feb 13, 2018
4 Open Document Open Filing FORM 4 Feb 16, 2018 Feb 13, 2018
4 Open Document Open Filing FORM 4 Feb 16, 2018 Feb 13, 2018
4 Open Document Open Filing FORM 4 Feb 16, 2018 Feb 13, 2018
4 Open Document Open Filing FORM 4 Feb 16, 2018 Feb 14, 2018
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018
4 Open Document Open Filing FORM 4 Feb 14, 2018 Feb 12, 2018
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SC 13G/A Open Document Open Filing Feb 14, 2018 005-87297
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2018 005-87297
8-K/A Open Document Open Filing FORM 8-K/A Feb 13, 2018 Nov 30, 2017 001-35435
SC 13G/A Open Document Open Filing Feb 12, 2018 005-87297
8-K Open Document Open Filing FORM 8-K Feb 8, 2018 Feb 8, 2018 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #4 Jan 29, 2018 005-87297
SC 13G/A Open Document Open Filing Jan 19, 2018 005-87297
4 Open Document Open Filing FORM 4 Jan 4, 2018 Jan 2, 2018
4 Open Document Open Filing FORM 4 Dec 13, 2017 Dec 11, 2017
8-K Open Document Open Filing FORM 8-K Dec 12, 2017 Dec 12, 2017 001-35435
4 Open Document Open Filing FORM 4 Dec 7, 2017 Dec 5, 2017
8-K Open Document Open Filing FORM 8-K Dec 1, 2017 Nov 27, 2017 001-35435
4/A Open Document Open Filing FORM 4/A Nov 30, 2017 Nov 22, 2017
4/A Open Document Open Filing FORM 4/A Nov 30, 2017 May 8, 2017
4 Open Document Open Filing FORM 4 Nov 27, 2017 Nov 22, 2017
4 Open Document Open Filing FORM 4 Nov 21, 2017 Nov 21, 2017
8-K Open Document Open Filing FORM 8-K Nov 21, 2017 Nov 16, 2017 001-35435
4 Open Document Open Filing FORM 4 Nov 3, 2017 Sep 29, 2017
10-Q Open Document | Data Open Filing FORM 10-Q Oct 31, 2017 Sep 30, 2017 001-35435
8-K Open Document Open Filing FORM 8-K Oct 26, 2017 Oct 26, 2017 001-35435
8-K Open Document Open Filing FORM 8-K Aug 8, 2017 Aug 2, 2017 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Aug 1, 2017 Jun 30, 2017 001-35435
4 Open Document Open Filing FORM 4 BODOR 7-27-17 Jul 31, 2017 Jul 27, 2017
8-K Open Document | Data Open Filing FORM 8-K Jul 27, 2017 Jul 27, 2017 001-35435
4 Open Document Open Filing FORM 4 Jul 21, 2017 Jul 19, 2017
4 Open Document Open Filing FORM 4 Jun 12, 2017 Jun 8, 2017
8-K Open Document Open Filing FORM 8-K Jun 2, 2017 Jun 2, 2017 001-35435
SD Open Document Open Filing FORM SD May 31, 2017 001-35435
4 Open Document Open Filing FORM 4 May 30, 2017 May 18, 2017
3 Open Document Open Filing FORM 3 May 30, 2017 May 18, 2017
4/A Open Document Open Filing FORM 4 May 25, 2017 May 18, 2017
3/A Open Document Open Filing FORM 3 May 25, 2017 May 18, 2017
4 Open Document Open Filing FORM 4 May 22, 2017 May 18, 2017
4 Open Document Open Filing FORM 4 May 22, 2017 May 18, 2017
3 Open Document Open Filing FORM 3 May 22, 2017 May 18, 2017
4 Open Document Open Filing FORM 4 May 22, 2017 May 18, 2017
4 Open Document Open Filing FORM 4 May 22, 2017 May 18, 2017
5 Open Document Open Filing FORM 4 May 22, 2017 May 18, 2017
4 Open Document Open Filing FORM 4 May 22, 2017 May 18, 2017
8-K Open Document Open Filing FORM 8-K May 18, 2017 May 18, 2017 001-35435
4 Open Document Open Filing FORM 4 May 10, 2017 May 8, 2017
10-Q Open Document | Data Open Filing FORM 10-Q May 2, 2017 Mar 31, 2017 001-35435
8-K Open Document Open Filing FORM 8-K Apr 27, 2017 Apr 27, 2017 001-35435
DEF 14A Open Document Open Filing FORM DEF 14A Apr 4, 2017 May 18, 2017 001-35435
10-K Open Document | Data Open Filing FORM 10-K Feb 22, 2017 Dec 31, 2016 001-35435
8-K Open Document Open Filing FORM 8-K Feb 17, 2017 Feb 13, 2017 001-35435
4 Open Document Open Filing FORM 4 Feb 15, 2017 Feb 13, 2017
4 Open Document Open Filing FORM 4 Feb 15, 2017 Feb 13, 2017
4 Open Document Open Filing FORM 4 Feb 15, 2017 Feb 13, 2017
4 Open Document Open Filing FORM 4 Feb 15, 2017 Feb 13, 2017
4 Open Document Open Filing FORM 4 Feb 15, 2017 Feb 13, 2017
4 Open Document Open Filing FORM 4 Feb 15, 2017 Feb 13, 2017
SC 13G Open Document Open Filing SC 13G Feb 13, 2017 005-87297
SC 13G/A Open Document Open Filing Feb 13, 2017 005-87297
SC 13G/A Open Document Open Filing Feb 9, 2017 005-87297
8-K Open Document Open Filing FORM 8-K Feb 9, 2017 Feb 9, 2017 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC13G AMENDMENT #3 Jan 24, 2017 005-87297
SC 13G Open Document Open Filing Jan 9, 2017 005-87297
4 Open Document Open Filing FORM 4 Dec 21, 2016 Dec 19, 2016
3 Open Document Open Filing FORM 3 Dec 21, 2016 Dec 19, 2016
8-K Open Document Open Filing FORM 8-K Nov 8, 2016 Nov 8, 2016 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Nov 2, 2016 Sep 30, 2016 001-35435
8-K Open Document Open Filing FORM 8-K Oct 27, 2016 Oct 27, 2016 001-35435
SC 13G/A Open Document Open Filing Oct 5, 2016 005-87297
4 Open Document Open Filing FORM 4 Sep 6, 2016 Sep 1, 2016
4 Open Document Open Filing FORM 4 Sep 6, 2016 Sep 1, 2016
UPLOAD Open Document Open Filing Aug 31, 2016
CORRESP Open Document Open Filing Aug 26, 2016
UPLOAD Open Document Open Filing Aug 18, 2016
10-Q Open Document | Data Open Filing FORM 10-Q Aug 4, 2016 Jun 30, 2016 001-35435
8-K Open Document Open Filing FORM 8-K Jul 28, 2016 Jul 28, 2016 001-35435
8-K Open Document Open Filing FORM 8-K Jun 14, 2016 Jun 9, 2016 001-35435
SD Open Document Open Filing FORM SD May 31, 2016 001-35435
4 Open Document Open Filing FORM 4 May 23, 2016 May 19, 2016
4 Open Document Open Filing FORM 4 May 23, 2016 May 19, 2016
4 Open Document Open Filing FORM 4 May 23, 2016 May 19, 2016
4 Open Document Open Filing FORM 4 May 23, 2016 May 19, 2016
4 Open Document Open Filing FORM 4 May 23, 2016 May 19, 2016
8-K Open Document Open Filing FORM 8-K May 19, 2016 May 19, 2016 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 5, 2016 Mar 31, 2016 001-35435
4 Open Document Open Filing FORM 4 May 4, 2016 May 2, 2016
3 Open Document Open Filing FORM 3 May 4, 2016 May 2, 2016
8-K Open Document | Data Open Filing FORM 8-K Apr 28, 2016 Apr 28, 2016 001-35435
4 Open Document Open Filing FORM 4 Apr 18, 2016 Apr 14, 2016
DEF 14A Open Document Open Filing FORM DEF 14A Apr 8, 2016 May 19, 2016 001-35435
8-K Open Document Open Filing FORM 8-K Apr 8, 2016 Apr 5, 2016 001-35435
4 Open Document Open Filing FORM 4 Apr 6, 2016 Apr 4, 2016
4 Open Document Open Filing FORM 4 Apr 4, 2016 Mar 31, 2016
8-K Open Document Open Filing FORM 8-K Mar 24, 2016 Mar 24, 2016 001-35435
4 Open Document Open Filing FORM 4 Mar 16, 2016 Mar 14, 2016
4 Open Document Open Filing FORM 4 Mar 9, 2016 Mar 7, 2016
4 Open Document Open Filing FORM 4 Mar 3, 2016 Mar 1, 2016
3 Open Document Open Filing FORM 3 Mar 3, 2016 Mar 1, 2016
8-K Open Document Open Filing FORM 8-K Feb 26, 2016 Feb 23, 2016 001-35435
10-K Open Document | Data Open Filing FORM 10-K Feb 26, 2016 Dec 31, 2015 001-35435
4 Open Document Open Filing SCHNEIDER FORM 4 2-19-16 Feb 19, 2016 Feb 17, 2016
4 Open Document Open Filing TUMELTY FORM 4 2-19-16 Feb 19, 2016 Feb 17, 2016
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 16, 2016 005-87297
5/A Open Document Open Filing FORM 5/A Feb 12, 2016 Dec 31, 2015
4/A Open Document Open Filing FORM 4/A Feb 11, 2016 Feb 8, 2016
4/A Open Document Open Filing FORM 4/A Feb 11, 2016 Feb 8, 2016
4/A Open Document Open Filing FORM 4/A Feb 11, 2016 Feb 8, 2016
4/A Open Document Open Filing FORM 4/A Feb 11, 2016 Feb 8, 2016
4/A Open Document Open Filing FORM 4/A Feb 11, 2016 Feb 8, 2016
4/A Open Document Open Filing FORM 4/A Feb 11, 2016 Feb 8, 2016
4 Open Document Open Filing TUMELTY FORM 4 Feb 10, 2016 Feb 8, 2016
4 Open Document Open Filing SCHNEIDER FORM 4 Feb 10, 2016 Feb 8, 2016
4 Open Document Open Filing BODOR FORM 4 Feb 10, 2016 Feb 8, 2016
4 Open Document Open Filing KRANTZ FORM 4 Feb 10, 2016 Feb 8, 2016
4 Open Document Open Filing WAY FORM 4 Feb 10, 2016 Feb 8, 2016
4 Open Document Open Filing HOLT FORM 4 Feb 10, 2016 Feb 8, 2016
5 Open Document Open Filing LUKIS FORM 5 Feb 10, 2016 Dec 31, 2015
SC 13G/A Open Document Open Filing Feb 10, 2016 005-87297
SC 13G/A Open Document Open Filing Feb 10, 2016 005-87297
SC 13G/A Open Document Open Filing Feb 5, 2016 005-87297
SC 13G/A Open Document Open Filing Feb 5, 2016 005-87297
8-K Open Document Open Filing FORM 8-K Feb 4, 2016 Feb 4, 2016 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #2 Feb 1, 2016 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G Jan 22, 2016 005-87297
10-Q Open Document | Data Open Filing FORM 10-Q Nov 3, 2015 Sep 30, 2015 001-35435
8-K Open Document Open Filing FORM 8-K Oct 22, 2015 Oct 22, 2015 001-35435
4 Open Document Open Filing FORM 4 Oct 16, 2015 Oct 14, 2015
8-K Open Document Open Filing FORM 8-K Oct 9, 2015 Oct 9, 2015 001-35435
4 Open Document Open Filing FORM 4 Oct 5, 2015 Oct 1, 2015
8-K Open Document Open Filing FORM 8-K Sep 25, 2015 Sep 24, 2015 001-35435
4 Open Document Open Filing FORM 4 Sep 1, 2015 Aug 31, 2015
4 Open Document Open Filing FORM 4 Aug 18, 2015 Aug 14, 2015
10-Q Open Document | Data Open Filing FORM 10-Q Aug 6, 2015 Jun 30, 2015 001-35435
4 Open Document Open Filing FORM 4 Aug 5, 2015 Aug 4, 2015
4 Open Document Open Filing FORM 4 Jul 28, 2015 Jul 24, 2015
4 Open Document Open Filing FORM 4 Jul 27, 2015 Jul 23, 2015
8-K Open Document Open Filing FORM 8-K Jul 23, 2015 Jul 23, 2015 001-35435
SC 13G/A Open Document Open Filing Jul 10, 2015 005-87297
4 Open Document Open Filing FORM 4 Jul 1, 2015 Jul 1, 2015
4/A Open Document Open Filing FORM 4/A Jun 4, 2015 May 20, 2015
4/A Open Document Open Filing FORM 4/A Jun 4, 2015 May 20, 2015
4/A Open Document Open Filing FORM 4/A Jun 4, 2015 May 20, 2015
4/A Open Document Open Filing FORM 4/A Jun 4, 2015 May 20, 2015
4/A Open Document Open Filing FORM 4/A Jun 4, 2015 May 20, 2015
4 Open Document Open Filing FORM 4 May 22, 2015 May 20, 2015
4 Open Document Open Filing FORM 4 May 22, 2015 May 21, 2015
4 Open Document Open Filing FORM 4 May 22, 2015 May 20, 2015
4 Open Document Open Filing FORM 4 May 22, 2015 May 20, 2015
4 Open Document Open Filing FORM 4 May 22, 2015 May 20, 2015
8-K Open Document Open Filing FORM 8-K May 21, 2015 May 20, 2015 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 5, 2015 Mar 31, 2015 001-35435
8-K Open Document Open Filing FORM 8-K Apr 23, 2015 Apr 23, 2015 001-35435
4 Open Document Open Filing FORM 4 Apr 20, 2015 Apr 16, 2015
4 Open Document Open Filing FORM 4 Apr 17, 2015 Apr 15, 2015
4 Open Document Open Filing FORM 4 Apr 14, 2015 Apr 10, 2015
DEF 14A Open Document Open Filing FORM DEF 14A Apr 7, 2015 May 20, 2015 001-35435
8-K Open Document Open Filing FORM 8-K Apr 6, 2015 Apr 6, 2015 001-35435
4 Open Document Open Filing FORM 4 Apr 1, 2015 Apr 1, 2015
4 Open Document Open Filing FORM 4 Mar 24, 2015 May 20, 2014
PRE 14A Open Document Open Filing FORM PRE 14A Mar 23, 2015 May 20, 2015 001-35435
4 Open Document Open Filing FORM 4 Mar 20, 2015 Mar 19, 2015
NO ACT Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Mar 5, 2015 Jan 20, 2015 001-35435
S-8 Open Document Open Filing FORM S-8 Mar 4, 2015 333-202486
10-K Open Document | Data Open Filing FORM 10-K Feb 27, 2015 Dec 31, 2014 001-35435
4 Open Document Open Filing FORM 4 Feb 26, 2015 Jul 28, 2014
4 Open Document Open Filing FORM 4 Feb 19, 2015 Feb 18, 2015
4 Open Document Open Filing FORM 4 Feb 17, 2015 Feb 13, 2015
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 17, 2015 005-87297
4 Open Document Open Filing FORM 4 Feb 11, 2015 Feb 9, 2015
4 Open Document Open Filing FORM 4 Feb 11, 2015 Feb 9, 2015
4 Open Document Open Filing FORM 4 Feb 11, 2015 Feb 9, 2015
4 Open Document Open Filing FORM 4 Feb 11, 2015 Feb 9, 2015
4 Open Document Open Filing FORM 4 Feb 11, 2015 Feb 9, 2015
4 Open Document Open Filing FORM 4 Feb 11, 2015 Feb 9, 2015
SC 13G Open Document Open Filing Feb 10, 2015 005-87297
SC 13G Open Document Open Filing Feb 9, 2015 005-87297
8-K Open Document Open Filing FORM 8-K Feb 9, 2015 Feb 6, 2015 001-35435
SC 13G/A Open Document Open Filing Feb 5, 2015 005-87297
SC 13G/A Open Document Open Filing Feb 5, 2015 005-87297
8-K Open Document Open Filing FORM 8-K Feb 5, 2015 Feb 5, 2015 001-35435
5 Open Document Open Filing FORM 5 Jan 30, 2015 Dec 31, 2014
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #1 Jan 29, 2015 005-87297
SC 13G/A Open Document Open Filing Jan 22, 2015 005-87297
8-K Open Document Open Filing FORM 8-K Jan 15, 2015 Jan 12, 2015 001-35435
8-K Open Document Open Filing FORM 8-K Dec 19, 2014 Dec 18, 2014 001-35435
8-K Open Document Open Filing FORM 8-K Dec 5, 2014 Dec 1, 2014 001-35435
SC 13G Open Document Open Filing Dec 5, 2014 005-87297
4 Open Document Open Filing FORM 4 Dec 3, 2014 Dec 1, 2014
3 Open Document Open Filing FORM 3 Dec 3, 2014 Dec 1, 2014
8-K Open Document Open Filing FORM 8-K Nov 13, 2014 Nov 12, 2014 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Nov 4, 2014 Sep 30, 2014 001-35435
8-K Open Document Open Filing FORM 8-K Oct 23, 2014 Oct 23, 2014 001-35435
4 Open Document Open Filing FORM 4 Oct 7, 2014 Oct 3, 2014
4 Open Document Open Filing FORM 4 Oct 2, 2014 Oct 1, 2014
8-K Open Document Open Filing FORM 8-K Sep 2, 2014 Aug 28, 2014 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q Aug 5, 2014 Jun 30, 2014 001-35435
4 Open Document Open Filing FORM 4 Aug 1, 2014 Jul 31, 2014
8-K Open Document Open Filing FORM 8-K Jul 24, 2014 Jul 24, 2014 001-35435
4 Open Document Open Filing FORM 4 Jul 1, 2014 Jul 1, 2014
4 Open Document Open Filing FORM 4 Jul 1, 2014 Jul 1, 2014
4 Open Document Open Filing FORM 4 Jun 30, 2014 Jun 26, 2014
4 Open Document Open Filing FORM 4 May 22, 2014 May 20, 2014
4 Open Document Open Filing FORM 4 May 22, 2014 May 20, 2014
4 Open Document Open Filing FORM 4 May 22, 2014 May 20, 2014
4 Open Document Open Filing FORM 4 May 22, 2014 May 20, 2014
4 Open Document Open Filing FORM 4 May 22, 2014 May 20, 2014
4 Open Document Open Filing FORM 4 May 22, 2014 May 20, 2014
8-K Open Document Open Filing FORM 8-K May 21, 2014 May 20, 2014 001-35435
10-Q/A Open Document | Data Open Filing FORM 10-Q/A May 6, 2014 Mar 31, 2014 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q May 6, 2014 Mar 31, 2014 001-35435
8-K Open Document Open Filing FORM 8-K May 1, 2014 May 1, 2014 001-35435
8-K Open Document Open Filing FORM 8-K Apr 24, 2014 Apr 23, 2014 001-35435
DEF 14A Open Document Open Filing FORM DEF 14A Apr 10, 2014 May 20, 2014 001-35435
4 Open Document Open Filing FORM 4 Apr 2, 2014 Jan 6, 2014
4 Open Document Open Filing FORM 4 Mar 17, 2014 Mar 13, 2014
S-8 Open Document Open Filing FORM S-8 Mar 3, 2014 333-194272
10-K Open Document | Data Open Filing FORM 10-K Feb 28, 2014 Dec 31, 2013 001-35435
4 Open Document Open Filing LUKIS, LAWRENCE FORM 4 2-20-14 Feb 20, 2014 Feb 19, 2014
4 Open Document Open Filing HOLT, VICTORIA 2-18-14 FORM 4 Feb 18, 2014 Feb 13, 2014
4 Open Document Open Filing BODOR, ROBER 2-18-14 FORM 4 Feb 18, 2014 Feb 13, 2014
4 Open Document Open Filing KRANTZ, DONALD 2-18-14 FORM 4 Feb 18, 2014 Feb 13, 2014
4 Open Document Open Filing JUDD, JOHN 2-18-14 FORM 4 Feb 18, 2014 Feb 13, 2014
4 Open Document Open Filing SCHNEDER, JACQUELINE 2-18-14 FORM 4 Feb 18, 2014 Feb 13, 2014
4 Open Document Open Filing TUMELTY, JOHN 2-18-14 FORM 4 Feb 18, 2014 Feb 13, 2014
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3 Open Document Open Filing HOLT, VICTORIA FORM 4 2-1214 Feb 13, 2014 Feb 6, 2014
8-K Open Document Open Filing FORM 8-K Feb 12, 2014 Feb 11, 2014 001-35435
8-K Open Document Open Filing FORM 8-K Feb 11, 2014 Feb 11, 2014 001-35435
SC 13G/A Open Document Open Filing SC 13G/AMENDMENT NO. 1 Feb 10, 2014 005-87297
4 Open Document Open Filing BODOR, ROBERT FORM 4 2-10-14 Feb 10, 2014 Feb 7, 2014
8-K Open Document Open Filing FORM 8-K Feb 6, 2014 Feb 6, 2014 001-35435
SC 13G Open Document Open Filing PROTO LABS INC 13G Feb 5, 2014 005-87297
SC 13G Open Document Open Filing Jan 27, 2014 005-87297
SC 13G Open Document Open Filing Jan 16, 2014 005-87297
5 Open Document Open Filing LUKIS, LAWRENCE FORM 5 1-15-14 Jan 15, 2014 Dec 31, 2013
4 Open Document Open Filing FORM 4 SUBMISSION Jan 8, 2014 Jan 6, 2014