Proto Labs Inc

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

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4/A Open Document Open Filing FORM 4/A 03 Dec 2025 25 Nov 2025
4 Open Document Open Filing FORM 4 26 Nov 2025 25 Nov 2025
144 Open Document Open Filing 25 Nov 2025 001-35435
144 Open Document Open Filing 25 Nov 2025 001-35435
4 Open Document Open Filing FORM 4 19 Nov 2025 17 Nov 2025
SCHEDULE 13G/A Open Document Open Filing 14 Nov 2025 005-87297
144 Open Document Open Filing 07 Nov 2025 001-35435
10-Q Open Document | Data Open Filing 10-Q 31 Oct 2025 30 Sep 2025 001-35435
8-K Open Document | Data Open Filing 8-K 31 Oct 2025 31 Oct 2025 001-35435
3 Open Document Open Filing FORM 3 15 Oct 2025 13 Oct 2025
8-K Open Document | Data Open Filing FORM 8-K 03 Oct 2025 03 Oct 2025 001-35435
SCHEDULE 13G/A Open Document Open Filing 14 Aug 2025 005-87297
4 Open Document Open Filing FORM 4 07 Aug 2025 05 Aug 2025
4 Open Document Open Filing FORM 4 06 Aug 2025 04 Aug 2025
10-Q Open Document | Data Open Filing 10-Q 31 Jul 2025 30 Jun 2025 001-35435
8-K Open Document | Data Open Filing 8-K 31 Jul 2025 31 Jul 2025 001-35435
SCHEDULE 13G/A Open Document Open Filing 17 Jul 2025 005-87297
8-K Open Document | Data Open Filing FORM 8-K 30 May 2025 24 May 2025 001-35435
SD Open Document Open Filing SD 29 May 2025 001-35435
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
4 Open Document Open Filing FORM 4 28 May 2025 23 May 2025
3 Open Document Open Filing FORM 3 28 May 2025 20 May 2025
S-8 Open Document | Data Open Filing FORM S-8 27 May 2025 333-287598
S-8 Open Document | Data Open Filing FORM S-8 27 May 2025 333-287596
4 Open Document Open Filing FORM 4 22 May 2025 20 May 2025
4 Open Document Open Filing FORM 4 22 May 2025 20 May 2025
8-K Open Document | Data Open Filing FORM 8-K 21 May 2025 20 May 2025 001-35435
SCHEDULE 13G/A Open Document Open Filing 15 May 2025 005-87297
10-Q Open Document | Data Open Filing 10-Q 02 May 2025 31 Mar 2025 001-35435
8-K Open Document | Data Open Filing 8-K 02 May 2025 02 May 2025 001-35435
ARS Open Document Open Filing ARS 09 Apr 2025 31 Dec 2024 001-35435
DEFA14A Open Document Open Filing DEFA14A 09 Apr 2025 001-35435
DEF 14A Open Document | Data Open Filing DEF 14A 09 Apr 2025 20 May 2025 001-35435
4 Open Document Open Filing FORM 4 27 Feb 2025 25 Feb 2025
4 Open Document Open Filing FORM 4 27 Feb 2025 25 Feb 2025
4 Open Document Open Filing FORM 4 27 Feb 2025 25 Feb 2025
4 Open Document Open Filing FORM 4 27 Feb 2025 25 Feb 2025
10-K Open Document | Data Open Filing 10-K 21 Feb 2025 31 Dec 2024 001-35435
4 Open Document Open Filing FORM 4 18 Feb 2025 13 Feb 2025
4 Open Document Open Filing FORM 4 18 Feb 2025 13 Feb 2025
4 Open Document Open Filing FORM 4 18 Feb 2025 13 Feb 2025
4 Open Document Open Filing FORM 4 18 Feb 2025 13 Feb 2025
SCHEDULE 13G/A Open Document Open Filing 14 Feb 2025 005-87297
8-K Open Document | Data Open Filing 8-K 07 Feb 2025 07 Feb 2025 001-35435
SCHEDULE 13G Open Document Open Filing 23 Jan 2025 005-87297
UPLOAD Open Document Open Filing 12 Dec 2024 001-35435
CORRESP Open Document Open Filing 11 Dec 2024
UPLOAD Open Document Open Filing 03 Dec 2024 001-35435
SCHEDULE 13G/A Open Document Open Filing 14 Nov 2024 005-87297
SC 13G/A Open Document Open Filing 08 Nov 2024 005-87297
10-Q Open Document | Data Open Filing 10-Q 07 Nov 2024 30 Sep 2024 001-35435
8-K Open Document | Data Open Filing 8-K 01 Nov 2024 01 Nov 2024 001-35435
8-K Open Document | Data Open Filing 8-K 25 Oct 2024 21 Oct 2024 001-35435
SC 13G/A Open Document Open Filing 18 Oct 2024 005-87297
8-K Open Document | Data Open Filing 8-K 07 Oct 2024 01 Oct 2024 001-35435
4 Open Document Open Filing FORM 4 09 Sep 2024 06 Sep 2024
S-8 Open Document | Data Open Filing S-8 02 Aug 2024 333-281217
10-Q Open Document | Data Open Filing 10-Q 02 Aug 2024 30 Jun 2024 001-35435
8-K Open Document | Data Open Filing 8-K 02 Aug 2024 02 Aug 2024 001-35435
8-K Open Document | Data Open Filing 8-K 24 Jul 2024 22 Jul 2024 001-35435
SD Open Document Open Filing SD 29 May 2024 001-35435
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
4 Open Document Open Filing FORM 4 24 May 2024 23 May 2024
8-K Open Document | Data Open Filing 8-K 24 May 2024 23 May 2024 001-35435
4 Open Document Open Filing FORM 4 22 May 2024 20 May 2024
4 Open Document Open Filing FORM 4 22 May 2024 20 May 2024
10-Q Open Document | Data Open Filing 10-Q 03 May 2024 31 Mar 2024 001-35435
8-K Open Document | Data Open Filing 8-K 03 May 2024 03 May 2024 001-35435
ARS Open Document Open Filing ARS 12 Apr 2024 31 Dec 2023 001-35435
DEFA14A Open Document Open Filing FORM DEFA14A 12 Apr 2024 001-35435
DEF 14A Open Document | Data Open Filing DEF 14A 12 Apr 2024 23 May 2024 001-35435
10-K Open Document | Data Open Filing 10-K 16 Feb 2024 31 Dec 2023 001-35435
4 Open Document Open Filing FORM 4 15 Feb 2024 13 Feb 2024
4 Open Document Open Filing FORM 4 15 Feb 2024 13 Feb 2024
4 Open Document Open Filing FORM 4 15 Feb 2024 13 Feb 2024
4 Open Document Open Filing FORM 4 15 Feb 2024 13 Feb 2024
4 Open Document Open Filing FORM 4 15 Feb 2024 13 Feb 2024
SC 13G/A Open Document Open Filing FORM 13G/A PRLB 12-31-23 14 Feb 2024 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 13 Feb 2024 005-87297
8-K Open Document | Data Open Filing 8-K 09 Feb 2024 09 Feb 2024 001-35435
SC 13G/A Open Document Open Filing 22 Jan 2024 005-87297
10-Q Open Document | Data Open Filing 10-Q 03 Nov 2023 30 Sep 2023 001-35435
8-K Open Document | Data Open Filing 8-K 03 Nov 2023 03 Nov 2023 001-35435
S-8 Open Document Open Filing S-8 04 Aug 2023 333-273705
10-Q Open Document | Data Open Filing 10-Q 04 Aug 2023 30 Jun 2023 001-35435
8-K Open Document | Data Open Filing 8-K 04 Aug 2023 04 Aug 2023 001-35435
SD Open Document Open Filing FORM SD 05 Jun 2023 001-35435
4 Open Document Open Filing FORM 4 23 May 2023 20 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
4 Open Document Open Filing FORM 4 19 May 2023 17 May 2023
8-K Open Document | Data Open Filing FORM 8-K 18 May 2023 17 May 2023 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 05 May 2023 31 Mar 2023 001-35435
8-K Open Document | Data Open Filing FORM 8-K 05 May 2023 05 May 2023 001-35435
DEFA14A Open Document Open Filing FORM DEFA14A 04 Apr 2023 001-35435
DEF 14A Open Document | Data Open Filing DEF 14A 04 Apr 2023 001-35435
10-K Open Document | Data Open Filing FORM 10-K 21 Feb 2023 31 Dec 2022 001-35435
4 Open Document Open Filing FORM 4 15 Feb 2023 13 Feb 2023
4 Open Document Open Filing FORM 4 15 Feb 2023 13 Feb 2023
4 Open Document Open Filing FORM 4 15 Feb 2023 13 Feb 2023
4 Open Document Open Filing FORM 4 15 Feb 2023 13 Feb 2023
4 Open Document Open Filing FORM 4 15 Feb 2023 13 Feb 2023
SC 13G/A Open Document Open Filing PRLB SC13G-A 2022-12-31 14 Feb 2023 005-87297
SC 13G/A Open Document Open Filing 14 Feb 2023 005-87297
8-K Open Document | Data Open Filing FORM 8-K 10 Feb 2023 07 Feb 2023 001-35435
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 09 Feb 2023 005-87297
SC 13G/A Open Document Open Filing 23 Jan 2023 005-87297
4 Open Document Open Filing FORM 4 05 Dec 2022 01 Dec 2022
8-K Open Document | Data Open Filing FORM 8-K 21 Nov 2022 17 Nov 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K 15 Nov 2022 15 Nov 2022 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 04 Nov 2022 30 Sep 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K 04 Nov 2022 04 Nov 2022 001-35435
4 Open Document Open Filing FORM 4 13 Sep 2022 09 Sep 2022
3 Open Document Open Filing FORM 3 13 Sep 2022 09 Sep 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 23 May 2022
4 Open Document Open Filing FORM 4 01 Sep 2022 30 Aug 2022
8-K Open Document | Data Open Filing FORM 8-K 30 Aug 2022 29 Aug 2022 001-35435
S-8 POS Open Document Open Filing FORM S-8 POS 30 Aug 2022 333-202486
S-8 POS Open Document Open Filing FORM S-8 POS 30 Aug 2022 333-194272
S-8 POS Open Document Open Filing FORM S-8 POS 30 Aug 2022 333-179651
S-8 Open Document Open Filing FORM S-8 30 Aug 2022 333-267156
10-Q Open Document | Data Open Filing FORM 10-Q 05 Aug 2022 30 Jun 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K 05 Aug 2022 05 Aug 2022 001-35435
DEFA14A Open Document Open Filing DEFA14A 19 Jul 2022 001-35435
DEF 14A Open Document Open Filing DEF14A 19 Jul 2022 29 Aug 2022 001-35435
PRE 14A Open Document Open Filing PRE14A 08 Jul 2022 19 Jul 2022 001-35435
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
4/A Open Document Open Filing FORM 4 10 Jun 2022 18 May 2022
8-K Open Document | Data Open Filing FORM 8-K 06 Jun 2022 03 Jun 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K 31 May 2022 27 May 2022 001-35435
SD Open Document Open Filing FORM SD 27 May 2022 001-35435
4 Open Document Open Filing FORM 4 25 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 25 May 2022 23 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
4 Open Document Open Filing FORM 4 20 May 2022 18 May 2022
8-K Open Document | Data Open Filing FORM 8-K 18 May 2022 18 May 2022 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 06 May 2022 31 Mar 2022 001-35435
8-K Open Document | Data Open Filing FORM 8-K 06 May 2022 06 May 2022 001-35435
DEFA14A Open Document Open Filing DEFA14A 05 Apr 2022 001-35435
DEF 14A Open Document Open Filing DEF 14A 05 Apr 2022 18 May 2022 001-35435
UPLOAD Open Document Open Filing 31 Mar 2022
CORRESP Open Document Open Filing 25 Mar 2022
8-K Open Document | Data Open Filing FORM 8-K 16 Mar 2022 15 Mar 2022 001-35435
UPLOAD Open Document Open Filing 15 Mar 2022
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 09 Mar 2022 005-87297
10-K Open Document | Data Open Filing FORM 10-K 18 Feb 2022 31 Dec 2021 001-35435
4 Open Document Open Filing FORM 4 17 Feb 2022 15 Feb 2022
4 Open Document Open Filing FORM 4 17 Feb 2022 15 Feb 2022
4 Open Document Open Filing FORM 4 17 Feb 2022 15 Feb 2022
4 Open Document Open Filing FORM 4 17 Feb 2022 15 Feb 2022
4 Open Document Open Filing FORM 4 15 Feb 2022 13 Feb 2022
SC 13G Open Document Open Filing 13G PRLB 2021-12-31 15 Feb 2022 005-87297
SC 13G/A Open Document Open Filing HARDING LOEVNER LP 14 Feb 2022 005-87297
SC 13G/A Open Document Open Filing 14 Feb 2022 005-87297
SC 13G/A Open Document Open Filing SC13G/A 14 Feb 2022 005-87297
8-K Open Document | Data Open Filing FORM 8-K 11 Feb 2022 11 Feb 2022 001-35435
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 10 Feb 2022 005-87297
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 04 Feb 2022 005-87297
SC 13G/A Open Document Open Filing 27 Jan 2022 005-87297
SC 13G/A Open Document Open Filing 26 Jan 2022 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT 21 Jan 2022 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT 21 Jan 2022 005-87297
8-K Open Document | Data Open Filing FORM 8-K 10 Dec 2021 08 Dec 2021 001-35435
4 Open Document Open Filing FORM 4 06 Dec 2021 03 Dec 2021
4 Open Document Open Filing FORM 4 03 Dec 2021 01 Dec 2021
3 Open Document Open Filing FORM 3 03 Dec 2021 01 Dec 2021
4 Open Document Open Filing FORM 4 01 Dec 2021 01 Dec 2021
4 Open Document Open Filing FORM 4 22 Nov 2021 15 Nov 2021
3 Open Document Open Filing FORM 3 22 Nov 2021 15 Nov 2021
8-K Open Document | Data Open Filing FORM 8-K 16 Nov 2021 15 Nov 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K 05 Nov 2021 03 Nov 2021 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 02 Nov 2021 30 Sep 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K 28 Oct 2021 28 Oct 2021 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 03 Aug 2021 30 Jun 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K 29 Jul 2021 29 Jul 2021 001-35435
3 Open Document Open Filing FORM 3 30 Jun 2021 28 Jun 2021
SC 13G/A Open Document Open Filing 10 Jun 2021 005-87297
SD Open Document Open Filing FORM SD 27 May 2021 001-35435
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
4 Open Document Open Filing FORM 4 20 May 2021 18 May 2021
8-K Open Document | Data Open Filing FORM 8-K 18 May 2021 18 May 2021 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 10 May 2021 31 Mar 2021 001-35435
4 Open Document Open Filing FORM 4 06 May 2021 04 May 2021
8-K Open Document | Data Open Filing FORM 8-K 06 May 2021 06 May 2021 001-35435
DEFA14A Open Document Open Filing DEFA14A 06 Apr 2021 001-35435
DEF 14A Open Document Open Filing DEF 14A 06 Apr 2021 18 May 2021 001-35435
4 Open Document Open Filing FORM 4 03 Mar 2021 01 Mar 2021
4 Open Document Open Filing FORM 4 03 Mar 2021 01 Mar 2021
10-K Open Document | Data Open Filing FORM 10-K 19 Feb 2021 31 Dec 2020 001-35435
4 Open Document Open Filing FORM 4 18 Feb 2021 16 Feb 2021
4 Open Document Open Filing FORM 4 18 Feb 2021 16 Feb 2021
4 Open Document Open Filing FORM 4 18 Feb 2021 16 Feb 2021
4 Open Document Open Filing FORM 4 18 Feb 2021 16 Feb 2021
4 Open Document Open Filing FORM 4 18 Feb 2021 16 Feb 2021
SC 13G/A Open Document Open Filing SC 13G/A 16 Feb 2021 005-87297
SC 13G Open Document Open Filing HARDING LOEVNER LP 16 Feb 2021 005-87297
S-3ASR Open Document Open Filing FORM S-3ASR 16 Feb 2021 333-253112
SC 13G/A Open Document Open Filing 12 Feb 2021 005-87297
8-K Open Document | Data Open Filing FORM 8-K 12 Feb 2021 12 Feb 2021 001-35435
SC 13G Open Document Open Filing SC 13G 11 Feb 2021 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 10 Feb 2021 005-87297
SC 13G Open Document Open Filing 05 Feb 2021 005-87297
8-K Open Document | Data Open Filing FORM 8-K 04 Feb 2021 29 Jan 2021 001-35435
SC 13G Open Document Open Filing 25 Jan 2021 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #7 25 Jan 2021 005-87297
8-K Open Document | Data Open Filing FORM 8-K 25 Jan 2021 22 Jan 2021 001-35435
8-K Open Document | Data Open Filing FORM 8-K 19 Jan 2021 18 Jan 2021 001-35435
4 Open Document Open Filing FORM 4 22 Dec 2020 18 Dec 2020
8-K Open Document | Data Open Filing FORM 8-K 14 Dec 2020 09 Dec 2020 001-35435
4 Open Document Open Filing FORM 4 03 Dec 2020 01 Dec 2020
10-Q Open Document | Data Open Filing FORM 10-Q 03 Nov 2020 30 Sep 2020 001-35435
8-K Open Document | Data Open Filing FORM 8-K 29 Oct 2020 29 Oct 2020 001-35435
SC 13G Open Document Open Filing SC 13G 09 Oct 2020 005-87297
4 Open Document Open Filing FORM 4 08 Sep 2020 03 Sep 2020
4 Open Document Open Filing FORM 4 26 Aug 2020 24 Aug 2020
4 Open Document Open Filing FORM 4 12 Aug 2020 11 Aug 2020
4 Open Document Open Filing FORM 4 10 Aug 2020 06 Aug 2020
10-Q Open Document | Data Open Filing FORM 10-Q 31 Jul 2020 30 Jun 2020 001-35435
8-K Open Document | Data Open Filing FORM 8-K 28 Jul 2020 28 Jul 2020 001-35435
SD Open Document Open Filing FORM SD 29 May 2020 001-35435
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 21 May 2020 19 May 2020
4 Open Document Open Filing FORM 4 20 May 2020 18 May 2020
8-K Open Document | Data Open Filing FORM 8-K 19 May 2020 19 May 2020 001-35435
4 Open Document Open Filing FORM 4 06 May 2020 04 May 2020
10-Q Open Document | Data Open Filing FORM 10-Q 05 May 2020 31 Mar 2020 001-35435
4 Open Document Open Filing FORM 4 04 May 2020 30 Apr 2020
8-K Open Document | Data Open Filing FORM 8-K 30 Apr 2020 30 Apr 2020 001-35435
8-K Open Document | Data Open Filing FORM 8-K 30 Apr 2020 30 Apr 2020 001-35435
4 Open Document Open Filing FORM 4 15 Apr 2020 13 Apr 2020
DEFA14A Open Document Open Filing DEFA14A 06 Apr 2020 001-35435
DEF 14A Open Document Open Filing DEF 14A 06 Apr 2020 19 May 2020 001-35435
4 Open Document Open Filing FORM 4 11 Mar 2020 09 Mar 2020
10-K Open Document | Data Open Filing FORM 10-K 26 Feb 2020 31 Dec 2019 001-35435
4 Open Document Open Filing FORM 4 18 Feb 2020 13 Feb 2020
4 Open Document Open Filing FORM 4 18 Feb 2020 13 Feb 2020
4 Open Document Open Filing FORM 4 18 Feb 2020 13 Feb 2020
4 Open Document Open Filing FORM 4 18 Feb 2020 13 Feb 2020
4 Open Document Open Filing FORM 4 18 Feb 2020 13 Feb 2020
SC 13G/A Open Document Open Filing 14 Feb 2020 005-87297
4 Open Document Open Filing FORM 4 12 Feb 2020 10 Feb 2020
4 Open Document Open Filing FORM 4 12 Feb 2020 10 Feb 2020
4 Open Document Open Filing FORM 4 12 Feb 2020 10 Feb 2020
4 Open Document Open Filing FORM 4 12 Feb 2020 10 Feb 2020
4 Open Document Open Filing FORM 4 12 Feb 2020 10 Feb 2020
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 12 Feb 2020 005-87297
8-K Open Document | Data Open Filing FORM 8-K 06 Feb 2020 06 Feb 2020 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #6 05 Feb 2020 005-87297
SC 13G/A Open Document Open Filing 04 Feb 2020 005-87297
4 Open Document Open Filing FORM 4 03 Dec 2019 01 Dec 2019
4 Open Document Open Filing FORM 4 03 Dec 2019 01 Dec 2019
4 Open Document Open Filing FORM 4 12 Nov 2019 08 Nov 2019
10-Q Open Document | Data Open Filing FORM 10-Q 29 Oct 2019 30 Sep 2019 001-35435
8-K Open Document | Data Open Filing FORM 8-K 24 Oct 2019 24 Oct 2019 001-35435
4 Open Document Open Filing FORM 4 05 Aug 2019 01 Aug 2019
3 Open Document Open Filing FORM 3 05 Aug 2019 01 Aug 2019
8-K Open Document | Data Open Filing FORM 8-K 02 Aug 2019 29 Jul 2019 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 30 Jul 2019 30 Jun 2019 001-35435
8-K Open Document | Data Open Filing FORM 8-K 25 Jul 2019 25 Jul 2019 001-35435
SD Open Document Open Filing FORM SD 31 May 2019 001-35435
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019
8-K Open Document Open Filing FORM 8-K 16 May 2019 15 May 2019 001-35435
8-K Open Document Open Filing FORM 8-K 14 May 2019 08 May 2019 001-35435
4 Open Document Open Filing FORM 4 07 May 2019 04 May 2019
10-Q Open Document | Data Open Filing FORM 10-Q 30 Apr 2019 31 Mar 2019 001-35435
8-K Open Document Open Filing FORM 8-K 25 Apr 2019 25 Apr 2019 001-35435
DEF 14A Open Document Open Filing FORM DEF 14A 05 Apr 2019 15 May 2019 001-35435
SC 13G/A Open Document Open Filing 11 Mar 2019 005-87297
10-K Open Document | Data Open Filing FORM 10-K 22 Feb 2019 31 Dec 2018 001-35435
4 Open Document Open Filing FORM 4 15 Feb 2019 13 Feb 2019
4 Open Document Open Filing FORM 4 15 Feb 2019 13 Feb 2019
4 Open Document Open Filing FORM 4 15 Feb 2019 13 Feb 2019
SC 13G/A Open Document Open Filing 14 Feb 2019 005-87297
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
4 Open Document Open Filing FORM 4 13 Feb 2019 11 Feb 2019
SC 13G/A Open Document Open Filing 12 Feb 2019 005-87297
8-K Open Document Open Filing FORM 8-K 07 Feb 2019 07 Feb 2019 001-35435
SC 13G/A Open Document Open Filing 31 Jan 2019 005-87297
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #5 25 Jan 2019 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 15 Jan 2019 005-87297
4 Open Document Open Filing FORM 4 20 Dec 2018 01 Dec 2018
3/A Open Document Open Filing FORM 3/A 20 Dec 2018 22 Feb 2018
4 Open Document Open Filing FORM 4 19 Dec 2018 01 Dec 2018
10-Q Open Document | Data Open Filing FORM 10-Q 30 Oct 2018 30 Sep 2018 001-35435
8-K Open Document Open Filing FORM 8-K 25 Oct 2018 25 Oct 2018 001-35435
4 Open Document Open Filing FORM 4 24 Oct 2018 22 Oct 2018
4 Open Document Open Filing FORM 4 26 Sep 2018 24 Sep 2018
4 Open Document Open Filing FORM 4 18 Sep 2018 14 Sep 2018
4 Open Document Open Filing FORM 4 11 Sep 2018 04 Sep 2018
4 Open Document Open Filing FORM 4 04 Sep 2018 30 Aug 2018
4 Open Document Open Filing FORM 4 28 Aug 2018 24 Aug 2018
4 Open Document Open Filing FORM 4 27 Aug 2018 23 Aug 2018
4 Open Document Open Filing FORM 4 02 Aug 2018 31 Jul 2018
10-Q Open Document | Data Open Filing FORM 10-Q 01 Aug 2018 30 Jun 2018 001-35435
4 Open Document Open Filing FORM 4 30 Jul 2018 26 Jul 2018
8-K Open Document Open Filing FORM 8-K 26 Jul 2018 26 Jul 2018 001-35435
4 Open Document Open Filing FORM 4 19 Jun 2018 15 Jun 2018
4 Open Document Open Filing FORM 4 18 Jun 2018 14 Jun 2018
4 Open Document Open Filing BODOR FORM 4 14 Jun 2018 12 Jun 2018
SD Open Document Open Filing FORM SD 04 Jun 2018 001-35435
4 Open Document Open Filing FORM 4 01 Jun 2018 30 May 2018
8-K Open Document Open Filing FORM 8-K 25 May 2018 25 May 2018 001-35435
4 Open Document Open Filing FORM 4 18 May 2018 16 May 2018
4 Open Document Open Filing FORM 4 18 May 2018 16 May 2018
4 Open Document Open Filing FORM 4 18 May 2018 16 May 2018
4 Open Document Open Filing FORM 4 18 May 2018 16 May 2018
4 Open Document Open Filing FORM 4 18 May 2018 16 May 2018
4 Open Document Open Filing FORM 4 18 May 2018 16 May 2018
8-K Open Document Open Filing FORM 8-K 16 May 2018 16 May 2018 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 01 May 2018 31 Mar 2018 001-35435
4 Open Document Open Filing FORM 4 26 Apr 2018 24 Apr 2018
8-K Open Document Open Filing FORM 8-K 26 Apr 2018 26 Apr 2018 001-35435
4 Open Document Open Filing FORM 4 13 Apr 2018 11 Apr 2018
DEF 14A Open Document Open Filing FORM DEF 14A 06 Apr 2018 16 May 2018 001-35435
4 Open Document Open Filing FORM 4 26 Mar 2018 08 May 2017
4 Open Document Open Filing FORM 4 16 Mar 2018 14 Mar 2018
3 Open Document Open Filing FORM 4 28 Feb 2018 22 Feb 2018
10-K Open Document | Data Open Filing FORM 10-K 23 Feb 2018 31 Dec 2017 001-35435
4 Open Document Open Filing FORM 4 21 Feb 2018 01 Dec 2017
4 Open Document Open Filing FORM 4 16 Feb 2018 13 Feb 2018
4 Open Document Open Filing FORM 4 16 Feb 2018 13 Feb 2018
4 Open Document Open Filing FORM 4 16 Feb 2018 13 Feb 2018
4 Open Document Open Filing FORM 4 16 Feb 2018 13 Feb 2018
4 Open Document Open Filing FORM 4 16 Feb 2018 14 Feb 2018
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018
4 Open Document Open Filing FORM 4 14 Feb 2018 12 Feb 2018
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 14 Feb 2018 005-87297
SC 13G/A Open Document Open Filing 14 Feb 2018 005-87297
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2018 005-87297
8-K/A Open Document Open Filing FORM 8-K/A 13 Feb 2018 30 Nov 2017 001-35435
SC 13G/A Open Document Open Filing 12 Feb 2018 005-87297
8-K Open Document Open Filing FORM 8-K 08 Feb 2018 08 Feb 2018 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #4 29 Jan 2018 005-87297
SC 13G/A Open Document Open Filing 19 Jan 2018 005-87297
4 Open Document Open Filing FORM 4 04 Jan 2018 02 Jan 2018
4 Open Document Open Filing FORM 4 13 Dec 2017 11 Dec 2017
8-K Open Document Open Filing FORM 8-K 12 Dec 2017 12 Dec 2017 001-35435
4 Open Document Open Filing FORM 4 07 Dec 2017 05 Dec 2017
8-K Open Document Open Filing FORM 8-K 01 Dec 2017 27 Nov 2017 001-35435
4/A Open Document Open Filing FORM 4/A 30 Nov 2017 22 Nov 2017
4/A Open Document Open Filing FORM 4/A 30 Nov 2017 08 May 2017
4 Open Document Open Filing FORM 4 27 Nov 2017 22 Nov 2017
4 Open Document Open Filing FORM 4 21 Nov 2017 21 Nov 2017
8-K Open Document Open Filing FORM 8-K 21 Nov 2017 16 Nov 2017 001-35435
4 Open Document Open Filing FORM 4 03 Nov 2017 29 Sep 2017
10-Q Open Document | Data Open Filing FORM 10-Q 31 Oct 2017 30 Sep 2017 001-35435
8-K Open Document Open Filing FORM 8-K 26 Oct 2017 26 Oct 2017 001-35435
8-K Open Document Open Filing FORM 8-K 08 Aug 2017 02 Aug 2017 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 01 Aug 2017 30 Jun 2017 001-35435
4 Open Document Open Filing FORM 4 BODOR 7-27-17 31 Jul 2017 27 Jul 2017
8-K Open Document | Data Open Filing FORM 8-K 27 Jul 2017 27 Jul 2017 001-35435
4 Open Document Open Filing FORM 4 21 Jul 2017 19 Jul 2017
4 Open Document Open Filing FORM 4 12 Jun 2017 08 Jun 2017
8-K Open Document Open Filing FORM 8-K 02 Jun 2017 02 Jun 2017 001-35435
SD Open Document Open Filing FORM SD 31 May 2017 001-35435
4 Open Document Open Filing FORM 4 30 May 2017 18 May 2017
3 Open Document Open Filing FORM 3 30 May 2017 18 May 2017
4/A Open Document Open Filing FORM 4 25 May 2017 18 May 2017
3/A Open Document Open Filing FORM 3 25 May 2017 18 May 2017
4 Open Document Open Filing FORM 4 22 May 2017 18 May 2017
4 Open Document Open Filing FORM 4 22 May 2017 18 May 2017
3 Open Document Open Filing FORM 3 22 May 2017 18 May 2017
4 Open Document Open Filing FORM 4 22 May 2017 18 May 2017
4 Open Document Open Filing FORM 4 22 May 2017 18 May 2017
5 Open Document Open Filing FORM 4 22 May 2017 18 May 2017
4 Open Document Open Filing FORM 4 22 May 2017 18 May 2017
8-K Open Document Open Filing FORM 8-K 18 May 2017 18 May 2017 001-35435
4 Open Document Open Filing FORM 4 10 May 2017 08 May 2017
10-Q Open Document | Data Open Filing FORM 10-Q 02 May 2017 31 Mar 2017 001-35435
8-K Open Document Open Filing FORM 8-K 27 Apr 2017 27 Apr 2017 001-35435
DEF 14A Open Document Open Filing FORM DEF 14A 04 Apr 2017 18 May 2017 001-35435
10-K Open Document | Data Open Filing FORM 10-K 22 Feb 2017 31 Dec 2016 001-35435
8-K Open Document Open Filing FORM 8-K 17 Feb 2017 13 Feb 2017 001-35435
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017
SC 13G Open Document Open Filing SC 13G 13 Feb 2017 005-87297
SC 13G/A Open Document Open Filing 13 Feb 2017 005-87297
SC 13G/A Open Document Open Filing 09 Feb 2017 005-87297
8-K Open Document Open Filing FORM 8-K 09 Feb 2017 09 Feb 2017 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC13G AMENDMENT #3 24 Jan 2017 005-87297
SC 13G Open Document Open Filing 09 Jan 2017 005-87297
4 Open Document Open Filing FORM 4 21 Dec 2016 19 Dec 2016
3 Open Document Open Filing FORM 3 21 Dec 2016 19 Dec 2016
8-K Open Document Open Filing FORM 8-K 08 Nov 2016 08 Nov 2016 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 02 Nov 2016 30 Sep 2016 001-35435
8-K Open Document Open Filing FORM 8-K 27 Oct 2016 27 Oct 2016 001-35435
SC 13G/A Open Document Open Filing 05 Oct 2016 005-87297
4 Open Document Open Filing FORM 4 06 Sep 2016 01 Sep 2016
4 Open Document Open Filing FORM 4 06 Sep 2016 01 Sep 2016
UPLOAD Open Document Open Filing 31 Aug 2016
CORRESP Open Document Open Filing 26 Aug 2016
UPLOAD Open Document Open Filing 18 Aug 2016
10-Q Open Document | Data Open Filing FORM 10-Q 04 Aug 2016 30 Jun 2016 001-35435
8-K Open Document Open Filing FORM 8-K 28 Jul 2016 28 Jul 2016 001-35435
8-K Open Document Open Filing FORM 8-K 14 Jun 2016 09 Jun 2016 001-35435
SD Open Document Open Filing FORM SD 31 May 2016 001-35435
4 Open Document Open Filing FORM 4 23 May 2016 19 May 2016
4 Open Document Open Filing FORM 4 23 May 2016 19 May 2016
4 Open Document Open Filing FORM 4 23 May 2016 19 May 2016
4 Open Document Open Filing FORM 4 23 May 2016 19 May 2016
4 Open Document Open Filing FORM 4 23 May 2016 19 May 2016
8-K Open Document Open Filing FORM 8-K 19 May 2016 19 May 2016 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 05 May 2016 31 Mar 2016 001-35435
4 Open Document Open Filing FORM 4 04 May 2016 02 May 2016
3 Open Document Open Filing FORM 3 04 May 2016 02 May 2016
8-K Open Document | Data Open Filing FORM 8-K 28 Apr 2016 28 Apr 2016 001-35435
4 Open Document Open Filing FORM 4 18 Apr 2016 14 Apr 2016
DEF 14A Open Document Open Filing FORM DEF 14A 08 Apr 2016 19 May 2016 001-35435
8-K Open Document Open Filing FORM 8-K 08 Apr 2016 05 Apr 2016 001-35435
4 Open Document Open Filing FORM 4 06 Apr 2016 04 Apr 2016
4 Open Document Open Filing FORM 4 04 Apr 2016 31 Mar 2016
8-K Open Document Open Filing FORM 8-K 24 Mar 2016 24 Mar 2016 001-35435
4 Open Document Open Filing FORM 4 16 Mar 2016 14 Mar 2016
4 Open Document Open Filing FORM 4 09 Mar 2016 07 Mar 2016
4 Open Document Open Filing FORM 4 03 Mar 2016 01 Mar 2016
3 Open Document Open Filing FORM 3 03 Mar 2016 01 Mar 2016
8-K Open Document Open Filing FORM 8-K 26 Feb 2016 23 Feb 2016 001-35435
10-K Open Document | Data Open Filing FORM 10-K 26 Feb 2016 31 Dec 2015 001-35435
4 Open Document Open Filing SCHNEIDER FORM 4 2-19-16 19 Feb 2016 17 Feb 2016
4 Open Document Open Filing TUMELTY FORM 4 2-19-16 19 Feb 2016 17 Feb 2016
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 16 Feb 2016 005-87297
5/A Open Document Open Filing FORM 5/A 12 Feb 2016 31 Dec 2015
4/A Open Document Open Filing FORM 4/A 11 Feb 2016 08 Feb 2016
4/A Open Document Open Filing FORM 4/A 11 Feb 2016 08 Feb 2016
4/A Open Document Open Filing FORM 4/A 11 Feb 2016 08 Feb 2016
4/A Open Document Open Filing FORM 4/A 11 Feb 2016 08 Feb 2016
4/A Open Document Open Filing FORM 4/A 11 Feb 2016 08 Feb 2016
4/A Open Document Open Filing FORM 4/A 11 Feb 2016 08 Feb 2016
4 Open Document Open Filing TUMELTY FORM 4 10 Feb 2016 08 Feb 2016
4 Open Document Open Filing SCHNEIDER FORM 4 10 Feb 2016 08 Feb 2016
4 Open Document Open Filing BODOR FORM 4 10 Feb 2016 08 Feb 2016
4 Open Document Open Filing KRANTZ FORM 4 10 Feb 2016 08 Feb 2016
4 Open Document Open Filing WAY FORM 4 10 Feb 2016 08 Feb 2016
4 Open Document Open Filing HOLT FORM 4 10 Feb 2016 08 Feb 2016
5 Open Document Open Filing LUKIS FORM 5 10 Feb 2016 31 Dec 2015
SC 13G/A Open Document Open Filing 10 Feb 2016 005-87297
SC 13G/A Open Document Open Filing 10 Feb 2016 005-87297
SC 13G/A Open Document Open Filing 05 Feb 2016 005-87297
SC 13G/A Open Document Open Filing 05 Feb 2016 005-87297
8-K Open Document Open Filing FORM 8-K 04 Feb 2016 04 Feb 2016 001-35435
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #2 01 Feb 2016 005-87297
SC 13G/A Open Document Open Filing SCHEDULE 13G 22 Jan 2016 005-87297
10-Q Open Document | Data Open Filing FORM 10-Q 03 Nov 2015 30 Sep 2015 001-35435
8-K Open Document Open Filing FORM 8-K 22 Oct 2015 22 Oct 2015 001-35435
4 Open Document Open Filing FORM 4 16 Oct 2015 14 Oct 2015
8-K Open Document Open Filing FORM 8-K 09 Oct 2015 09 Oct 2015 001-35435
4 Open Document Open Filing FORM 4 05 Oct 2015 01 Oct 2015
8-K Open Document Open Filing FORM 8-K 25 Sep 2015 24 Sep 2015 001-35435
4 Open Document Open Filing FORM 4 01 Sep 2015 31 Aug 2015
4 Open Document Open Filing FORM 4 18 Aug 2015 14 Aug 2015
10-Q Open Document | Data Open Filing FORM 10-Q 06 Aug 2015 30 Jun 2015 001-35435
4 Open Document Open Filing FORM 4 05 Aug 2015 04 Aug 2015
4 Open Document Open Filing FORM 4 28 Jul 2015 24 Jul 2015
4 Open Document Open Filing FORM 4 27 Jul 2015 23 Jul 2015
8-K Open Document Open Filing FORM 8-K 23 Jul 2015 23 Jul 2015 001-35435
SC 13G/A Open Document Open Filing 10 Jul 2015 005-87297
4 Open Document Open Filing FORM 4 01 Jul 2015 01 Jul 2015
4/A Open Document Open Filing FORM 4/A 04 Jun 2015 20 May 2015
4/A Open Document Open Filing FORM 4/A 04 Jun 2015 20 May 2015
4/A Open Document Open Filing FORM 4/A 04 Jun 2015 20 May 2015
4/A Open Document Open Filing FORM 4/A 04 Jun 2015 20 May 2015
4/A Open Document Open Filing FORM 4/A 04 Jun 2015 20 May 2015
4 Open Document Open Filing FORM 4 22 May 2015 20 May 2015
4 Open Document Open Filing FORM 4 22 May 2015 21 May 2015
4 Open Document Open Filing FORM 4 22 May 2015 20 May 2015
4 Open Document Open Filing FORM 4 22 May 2015 20 May 2015
4 Open Document Open Filing FORM 4 22 May 2015 20 May 2015
8-K Open Document Open Filing FORM 8-K 21 May 2015 20 May 2015 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 05 May 2015 31 Mar 2015 001-35435
8-K Open Document Open Filing FORM 8-K 23 Apr 2015 23 Apr 2015 001-35435
4 Open Document Open Filing FORM 4 20 Apr 2015 16 Apr 2015
4 Open Document Open Filing FORM 4 17 Apr 2015 15 Apr 2015
4 Open Document Open Filing FORM 4 14 Apr 2015 10 Apr 2015
DEF 14A Open Document Open Filing FORM DEF 14A 07 Apr 2015 20 May 2015 001-35435
8-K Open Document Open Filing FORM 8-K 06 Apr 2015 06 Apr 2015 001-35435
4 Open Document Open Filing FORM 4 01 Apr 2015 01 Apr 2015
4 Open Document Open Filing FORM 4 24 Mar 2015 20 May 2014
PRE 14A Open Document Open Filing FORM PRE 14A 23 Mar 2015 20 May 2015 001-35435
4 Open Document Open Filing FORM 4 20 Mar 2015 19 Mar 2015
NO ACT Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 05 Mar 2015 20 Jan 2015 001-35435
S-8 Open Document Open Filing FORM S-8 04 Mar 2015 333-202486
10-K Open Document | Data Open Filing FORM 10-K 27 Feb 2015 31 Dec 2014 001-35435
4 Open Document Open Filing FORM 4 26 Feb 2015 28 Jul 2014
4 Open Document Open Filing FORM 4 19 Feb 2015 18 Feb 2015
4 Open Document Open Filing FORM 4 17 Feb 2015 13 Feb 2015
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 17 Feb 2015 005-87297
4 Open Document Open Filing FORM 4 11 Feb 2015 09 Feb 2015
4 Open Document Open Filing FORM 4 11 Feb 2015 09 Feb 2015
4 Open Document Open Filing FORM 4 11 Feb 2015 09 Feb 2015
4 Open Document Open Filing FORM 4 11 Feb 2015 09 Feb 2015
4 Open Document Open Filing FORM 4 11 Feb 2015 09 Feb 2015
4 Open Document Open Filing FORM 4 11 Feb 2015 09 Feb 2015
SC 13G Open Document Open Filing 10 Feb 2015 005-87297
SC 13G Open Document Open Filing 09 Feb 2015 005-87297
8-K Open Document Open Filing FORM 8-K 09 Feb 2015 06 Feb 2015 001-35435
SC 13G/A Open Document Open Filing 05 Feb 2015 005-87297
SC 13G/A Open Document Open Filing 05 Feb 2015 005-87297
8-K Open Document Open Filing FORM 8-K 05 Feb 2015 05 Feb 2015 001-35435
5 Open Document Open Filing FORM 5 30 Jan 2015 31 Dec 2014
SC 13G/A Open Document Open Filing PROTO LABS INC 13G AMENDMENT #1 29 Jan 2015 005-87297
SC 13G/A Open Document Open Filing 22 Jan 2015 005-87297
8-K Open Document Open Filing FORM 8-K 15 Jan 2015 12 Jan 2015 001-35435
8-K Open Document Open Filing FORM 8-K 19 Dec 2014 18 Dec 2014 001-35435
8-K Open Document Open Filing FORM 8-K 05 Dec 2014 01 Dec 2014 001-35435
SC 13G Open Document Open Filing 05 Dec 2014 005-87297
4 Open Document Open Filing FORM 4 03 Dec 2014 01 Dec 2014
3 Open Document Open Filing FORM 3 03 Dec 2014 01 Dec 2014
8-K Open Document Open Filing FORM 8-K 13 Nov 2014 12 Nov 2014 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 04 Nov 2014 30 Sep 2014 001-35435
8-K Open Document Open Filing FORM 8-K 23 Oct 2014 23 Oct 2014 001-35435
4 Open Document Open Filing FORM 4 07 Oct 2014 03 Oct 2014
4 Open Document Open Filing FORM 4 02 Oct 2014 01 Oct 2014
8-K Open Document Open Filing FORM 8-K 02 Sep 2014 28 Aug 2014 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 05 Aug 2014 30 Jun 2014 001-35435
4 Open Document Open Filing FORM 4 01 Aug 2014 31 Jul 2014
8-K Open Document Open Filing FORM 8-K 24 Jul 2014 24 Jul 2014 001-35435
4 Open Document Open Filing FORM 4 01 Jul 2014 01 Jul 2014
4 Open Document Open Filing FORM 4 01 Jul 2014 01 Jul 2014
4 Open Document Open Filing FORM 4 30 Jun 2014 26 Jun 2014
4 Open Document Open Filing FORM 4 22 May 2014 20 May 2014
4 Open Document Open Filing FORM 4 22 May 2014 20 May 2014
4 Open Document Open Filing FORM 4 22 May 2014 20 May 2014
4 Open Document Open Filing FORM 4 22 May 2014 20 May 2014
4 Open Document Open Filing FORM 4 22 May 2014 20 May 2014
4 Open Document Open Filing FORM 4 22 May 2014 20 May 2014
8-K Open Document Open Filing FORM 8-K 21 May 2014 20 May 2014 001-35435
10-Q/A Open Document | Data Open Filing FORM 10-Q/A 06 May 2014 31 Mar 2014 001-35435
10-Q Open Document | Data Open Filing FORM 10-Q 06 May 2014 31 Mar 2014 001-35435
8-K Open Document Open Filing FORM 8-K 01 May 2014 01 May 2014 001-35435
8-K Open Document Open Filing FORM 8-K 24 Apr 2014 23 Apr 2014 001-35435
DEF 14A Open Document Open Filing FORM DEF 14A 10 Apr 2014 20 May 2014 001-35435
4 Open Document Open Filing FORM 4 02 Apr 2014 06 Jan 2014
4 Open Document Open Filing FORM 4 17 Mar 2014 13 Mar 2014
S-8 Open Document Open Filing FORM S-8 03 Mar 2014 333-194272
10-K Open Document | Data Open Filing FORM 10-K 28 Feb 2014 31 Dec 2013 001-35435
4 Open Document Open Filing LUKIS, LAWRENCE FORM 4 2-20-14 20 Feb 2014 19 Feb 2014
4 Open Document Open Filing HOLT, VICTORIA 2-18-14 FORM 4 18 Feb 2014 13 Feb 2014
4 Open Document Open Filing BODOR, ROBER 2-18-14 FORM 4 18 Feb 2014 13 Feb 2014
4 Open Document Open Filing KRANTZ, DONALD 2-18-14 FORM 4 18 Feb 2014 13 Feb 2014
4 Open Document Open Filing JUDD, JOHN 2-18-14 FORM 4 18 Feb 2014 13 Feb 2014
4 Open Document Open Filing SCHNEDER, JACQUELINE 2-18-14 FORM 4 18 Feb 2014 13 Feb 2014
4 Open Document Open Filing TUMELTY, JOHN 2-18-14 FORM 4 18 Feb 2014 13 Feb 2014
SC 13G/A Open Document Open Filing SCHEDULE 13G/A 14 Feb 2014 005-87297
3 Open Document Open Filing HOLT, VICTORIA FORM 4 2-1214 13 Feb 2014 06 Feb 2014
8-K Open Document Open Filing FORM 8-K 12 Feb 2014 11 Feb 2014 001-35435
8-K Open Document Open Filing FORM 8-K 11 Feb 2014 11 Feb 2014 001-35435
SC 13G/A Open Document Open Filing SC 13G/AMENDMENT NO. 1 10 Feb 2014 005-87297
4 Open Document Open Filing BODOR, ROBERT FORM 4 2-10-14 10 Feb 2014 07 Feb 2014
8-K Open Document Open Filing FORM 8-K 06 Feb 2014 06 Feb 2014 001-35435
SC 13G Open Document Open Filing PROTO LABS INC 13G 05 Feb 2014 005-87297
SC 13G Open Document Open Filing 27 Jan 2014 005-87297
SC 13G Open Document Open Filing 16 Jan 2014 005-87297
5 Open Document Open Filing LUKIS, LAWRENCE FORM 5 1-15-14 15 Jan 2014 31 Dec 2013
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jan 2014 06 Jan 2014