| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | Data | 8-K | May 24, 2024 | May 23, 2024 |
| 10-Q | Report | Data | 10-Q | May 3, 2024 | Mar 31, 2024 |
| 8-K | Report | Data | 8-K | May 3, 2024 | May 3, 2024 |
| 10-K | Report | Data | 10-K | Feb 16, 2024 | Dec 31, 2023 |
| SC 13G/A | Report | FORM 13G/A PRLB 12-31-23 | Feb 14, 2024 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| 8-K | Report | Data | 8-K | Feb 9, 2024 | Feb 9, 2024 |
| 10-Q | Report | Data | 10-Q | Nov 3, 2023 | Sep 30, 2023 |
| 8-K | Report | Data | 8-K | Nov 3, 2023 | Nov 3, 2023 |
| 10-Q | Report | Data | 10-Q | Aug 4, 2023 | Jun 30, 2023 |
| 8-K | Report | Data | 8-K | Aug 4, 2023 | Aug 4, 2023 |
| 8-K | Report | Data | FORM 8-K | May 18, 2023 | May 17, 2023 |
| 10-Q | Report | Data | FORM 10-Q | May 5, 2023 | Mar 31, 2023 |
| 8-K | Report | Data | FORM 8-K | May 5, 2023 | May 5, 2023 |
| 10-K | Report | Data | FORM 10-K | Feb 21, 2023 | Dec 31, 2022 |
| SC 13G/A | Report | PRLB SC13G-A 2022-12-31 | Feb 14, 2023 | |
| SC 13G/A | Report | Feb 14, 2023 | ||
| 8-K | Report | Data | FORM 8-K | Feb 10, 2023 | Feb 7, 2023 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | Jan 23, 2023 | ||
| 8-K | Report | Data | FORM 8-K | Nov 21, 2022 | Nov 17, 2022 |
| 8-K | Report | Data | FORM 8-K | Nov 15, 2022 | Nov 15, 2022 |
| 10-Q | Report | Data | FORM 10-Q | Nov 4, 2022 | Sep 30, 2022 |
| 8-K | Report | Data | FORM 8-K | Nov 4, 2022 | Nov 4, 2022 |
| 8-K | Report | Data | FORM 8-K | Aug 30, 2022 | Aug 29, 2022 |
| 10-Q | Report | Data | FORM 10-Q | Aug 5, 2022 | Jun 30, 2022 |
| 8-K | Report | Data | FORM 8-K | Aug 5, 2022 | Aug 5, 2022 |
| 8-K | Report | Data | FORM 8-K | Jun 6, 2022 | Jun 3, 2022 |
| 8-K | Report | Data | FORM 8-K | May 31, 2022 | May 27, 2022 |
| 8-K | Report | Data | FORM 8-K | May 18, 2022 | May 18, 2022 |
| 10-Q | Report | Data | FORM 10-Q | May 6, 2022 | Mar 31, 2022 |
| 8-K | Report | Data | FORM 8-K | May 6, 2022 | May 6, 2022 |
| 8-K | Report | Data | FORM 8-K | Mar 16, 2022 | Mar 15, 2022 |
| SC 13G/A | Report | SCHEDULE 13G/A | Mar 9, 2022 | |
| 10-K | Report | Data | FORM 10-K | Feb 18, 2022 | Dec 31, 2021 |
| SC 13G | Report | 13G PRLB 2021-12-31 | Feb 15, 2022 | |
| SC 13G/A | Report | HARDING LOEVNER LP | Feb 14, 2022 | |
| SC 13G/A | Report | Feb 14, 2022 | ||
| SC 13G/A | Report | SC13G/A | Feb 14, 2022 | |
| 8-K | Report | Data | FORM 8-K | Feb 11, 2022 | Feb 11, 2022 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | AMENDMENT NO. 1 | Feb 4, 2022 | |
| SC 13G/A | Report | Jan 27, 2022 | ||
| SC 13G/A | Report | Jan 26, 2022 | ||
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT | Jan 21, 2022 | |
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT | Jan 21, 2022 | |
| 8-K | Report | Data | FORM 8-K | Dec 10, 2021 | Dec 8, 2021 |
| 8-K | Report | Data | FORM 8-K | Nov 16, 2021 | Nov 15, 2021 |
| 8-K | Report | Data | FORM 8-K | Nov 5, 2021 | Nov 3, 2021 |
| 10-Q | Report | Data | FORM 10-Q | Nov 2, 2021 | Sep 30, 2021 |
| 8-K | Report | Data | FORM 8-K | Oct 28, 2021 | Oct 28, 2021 |
| 10-Q | Report | Data | FORM 10-Q | Aug 3, 2021 | Jun 30, 2021 |
| 8-K | Report | Data | FORM 8-K | Jul 29, 2021 | Jul 29, 2021 |
| SC 13G/A | Report | Jun 10, 2021 | ||
| 8-K | Report | Data | FORM 8-K | May 18, 2021 | May 18, 2021 |
| 10-Q | Report | Data | FORM 10-Q | May 10, 2021 | Mar 31, 2021 |
| 8-K | Report | Data | FORM 8-K | May 6, 2021 | May 6, 2021 |
| 10-K | Report | Data | FORM 10-K | Feb 19, 2021 | Dec 31, 2020 |
| SC 13G/A | Report | SC 13G/A | Feb 16, 2021 | |
| SC 13G | Report | HARDING LOEVNER LP | Feb 16, 2021 | |
| SC 13G/A | Report | Feb 12, 2021 | ||
| 8-K | Report | Data | FORM 8-K | Feb 12, 2021 | Feb 12, 2021 |
| SC 13G | Report | SC 13G | Feb 11, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G | Report | Feb 5, 2021 | ||
| 8-K | Report | Data | FORM 8-K | Feb 4, 2021 | Jan 29, 2021 |
| SC 13G | Report | Jan 25, 2021 | ||
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT #7 | Jan 25, 2021 | |
| 8-K | Report | Data | FORM 8-K | Jan 25, 2021 | Jan 22, 2021 |
| 8-K | Report | Data | FORM 8-K | Jan 19, 2021 | Jan 18, 2021 |
| 8-K | Report | Data | FORM 8-K | Dec 14, 2020 | Dec 9, 2020 |
| 10-Q | Report | Data | FORM 10-Q | Nov 3, 2020 | Sep 30, 2020 |
| 8-K | Report | Data | FORM 8-K | Oct 29, 2020 | Oct 29, 2020 |
| SC 13G | Report | SC 13G | Oct 9, 2020 | |
| 10-Q | Report | Data | FORM 10-Q | Jul 31, 2020 | Jun 30, 2020 |
| 8-K | Report | Data | FORM 8-K | Jul 28, 2020 | Jul 28, 2020 |
| 8-K | Report | Data | FORM 8-K | May 19, 2020 | May 19, 2020 |
| 10-Q | Report | Data | FORM 10-Q | May 5, 2020 | Mar 31, 2020 |
| 8-K | Report | Data | FORM 8-K | Apr 30, 2020 | Apr 30, 2020 |
| 8-K | Report | Data | FORM 8-K | Apr 30, 2020 | Apr 30, 2020 |
| 10-K | Report | Data | FORM 10-K | Feb 26, 2020 | Dec 31, 2019 |
| SC 13G/A | Report | Feb 14, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| 8-K | Report | Data | FORM 8-K | Feb 6, 2020 | Feb 6, 2020 |
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT #6 | Feb 5, 2020 | |
| SC 13G/A | Report | Feb 4, 2020 | ||
| 10-Q | Report | Data | FORM 10-Q | Oct 29, 2019 | Sep 30, 2019 |
| 8-K | Report | Data | FORM 8-K | Oct 24, 2019 | Oct 24, 2019 |
| 8-K | Report | Data | FORM 8-K | Aug 2, 2019 | Jul 29, 2019 |
| 10-Q | Report | Data | FORM 10-Q | Jul 30, 2019 | Jun 30, 2019 |
| 8-K | Report | Data | FORM 8-K | Jul 25, 2019 | Jul 25, 2019 |
| 8-K | Report | FORM 8-K | May 16, 2019 | May 15, 2019 |
| 8-K | Report | FORM 8-K | May 14, 2019 | May 8, 2019 |
| 10-Q | Report | Data | FORM 10-Q | Apr 30, 2019 | Mar 31, 2019 |
| 8-K | Report | FORM 8-K | Apr 25, 2019 | Apr 25, 2019 |
| SC 13G/A | Report | Mar 11, 2019 | ||
| 10-K | Report | Data | FORM 10-K | Feb 22, 2019 | Dec 31, 2018 |
| SC 13G/A | Report | Feb 14, 2019 | ||
| SC 13G/A | Report | Feb 12, 2019 | ||
| 8-K | Report | FORM 8-K | Feb 7, 2019 | Feb 7, 2019 |
| SC 13G/A | Report | Jan 31, 2019 | ||
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT #5 | Jan 25, 2019 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Jan 15, 2019 | |
| 10-Q | Report | Data | FORM 10-Q | Oct 30, 2018 | Sep 30, 2018 |
| 8-K | Report | FORM 8-K | Oct 25, 2018 | Oct 25, 2018 |
| 10-Q | Report | Data | FORM 10-Q | Aug 1, 2018 | Jun 30, 2018 |
| 8-K | Report | FORM 8-K | Jul 26, 2018 | Jul 26, 2018 |
| 8-K | Report | FORM 8-K | May 25, 2018 | May 25, 2018 |
| 8-K | Report | FORM 8-K | May 16, 2018 | May 16, 2018 |
| 10-Q | Report | Data | FORM 10-Q | May 1, 2018 | Mar 31, 2018 |
| 8-K | Report | FORM 8-K | Apr 26, 2018 | Apr 26, 2018 |
| 10-K | Report | Data | FORM 10-K | Feb 23, 2018 | Dec 31, 2017 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 14, 2018 | |
| SC 13G/A | Report | Feb 14, 2018 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2018 | |
| 8-K/A | Report | FORM 8-K/A | Feb 13, 2018 | Nov 30, 2017 |
| SC 13G/A | Report | Feb 12, 2018 | ||
| 8-K | Report | FORM 8-K | Feb 8, 2018 | Feb 8, 2018 |
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT #4 | Jan 29, 2018 | |
| SC 13G/A | Report | Jan 19, 2018 | ||
| 8-K | Report | FORM 8-K | Dec 12, 2017 | Dec 12, 2017 |
| 8-K | Report | FORM 8-K | Dec 1, 2017 | Nov 27, 2017 |
| 8-K | Report | FORM 8-K | Nov 21, 2017 | Nov 16, 2017 |
| 10-Q | Report | Data | FORM 10-Q | Oct 31, 2017 | Sep 30, 2017 |
| 8-K | Report | FORM 8-K | Oct 26, 2017 | Oct 26, 2017 |
| 8-K | Report | FORM 8-K | Aug 8, 2017 | Aug 2, 2017 |
| 10-Q | Report | Data | FORM 10-Q | Aug 1, 2017 | Jun 30, 2017 |
| 8-K | Report | Data | FORM 8-K | Jul 27, 2017 | Jul 27, 2017 |
| 8-K | Report | FORM 8-K | Jun 2, 2017 | Jun 2, 2017 |
| 8-K | Report | FORM 8-K | May 18, 2017 | May 18, 2017 |
| 10-Q | Report | Data | FORM 10-Q | May 2, 2017 | Mar 31, 2017 |
| 8-K | Report | FORM 8-K | Apr 27, 2017 | Apr 27, 2017 |
| 10-K | Report | Data | FORM 10-K | Feb 22, 2017 | Dec 31, 2016 |
| 8-K | Report | FORM 8-K | Feb 17, 2017 | Feb 13, 2017 |
| SC 13G | Report | SC 13G | Feb 13, 2017 | |
| SC 13G/A | Report | Feb 13, 2017 | ||
| SC 13G/A | Report | Feb 9, 2017 | ||
| 8-K | Report | FORM 8-K | Feb 9, 2017 | Feb 9, 2017 |
| SC 13G/A | Report | PROTO LABS INC13G AMENDMENT #3 | Jan 24, 2017 | |
| SC 13G | Report | Jan 9, 2017 | ||
| 8-K | Report | FORM 8-K | Nov 8, 2016 | Nov 8, 2016 |
| 10-Q | Report | Data | FORM 10-Q | Nov 2, 2016 | Sep 30, 2016 |
| 8-K | Report | FORM 8-K | Oct 27, 2016 | Oct 27, 2016 |
| SC 13G/A | Report | Oct 5, 2016 | ||
| 10-Q | Report | Data | FORM 10-Q | Aug 4, 2016 | Jun 30, 2016 |
| 8-K | Report | FORM 8-K | Jul 28, 2016 | Jul 28, 2016 |
| 8-K | Report | FORM 8-K | Jun 14, 2016 | Jun 9, 2016 |
| 8-K | Report | FORM 8-K | May 19, 2016 | May 19, 2016 |
| 10-Q | Report | Data | FORM 10-Q | May 5, 2016 | Mar 31, 2016 |
| 8-K | Report | Data | FORM 8-K | Apr 28, 2016 | Apr 28, 2016 |
| 8-K | Report | FORM 8-K | Apr 8, 2016 | Apr 5, 2016 |
| 8-K | Report | FORM 8-K | Mar 24, 2016 | Mar 24, 2016 |
| 8-K | Report | FORM 8-K | Feb 26, 2016 | Feb 23, 2016 |
| 10-K | Report | Data | FORM 10-K | Feb 26, 2016 | Dec 31, 2015 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 16, 2016 | |
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Feb 5, 2016 | ||
| SC 13G/A | Report | Feb 5, 2016 | ||
| 8-K | Report | FORM 8-K | Feb 4, 2016 | Feb 4, 2016 |
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT #2 | Feb 1, 2016 | |
| SC 13G/A | Report | SCHEDULE 13G | Jan 22, 2016 | |
| 10-Q | Report | Data | FORM 10-Q | Nov 3, 2015 | Sep 30, 2015 |
| 8-K | Report | FORM 8-K | Oct 22, 2015 | Oct 22, 2015 |
| 8-K | Report | FORM 8-K | Oct 9, 2015 | Oct 9, 2015 |
| 8-K | Report | FORM 8-K | Sep 25, 2015 | Sep 24, 2015 |
| 10-Q | Report | Data | FORM 10-Q | Aug 6, 2015 | Jun 30, 2015 |
| 8-K | Report | FORM 8-K | Jul 23, 2015 | Jul 23, 2015 |
| SC 13G/A | Report | Jul 10, 2015 | ||
| 8-K | Report | FORM 8-K | May 21, 2015 | May 20, 2015 |
| 10-Q | Report | Data | FORM 10-Q | May 5, 2015 | Mar 31, 2015 |
| 8-K | Report | FORM 8-K | Apr 23, 2015 | Apr 23, 2015 |
| 8-K | Report | FORM 8-K | Apr 6, 2015 | Apr 6, 2015 |
| 10-K | Report | Data | FORM 10-K | Feb 27, 2015 | Dec 31, 2014 |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 17, 2015 | |
| SC 13G | Report | Feb 10, 2015 | ||
| SC 13G | Report | Feb 9, 2015 | ||
| 8-K | Report | FORM 8-K | Feb 9, 2015 | Feb 6, 2015 |
| SC 13G/A | Report | Feb 5, 2015 | ||
| SC 13G/A | Report | Feb 5, 2015 | ||
| 8-K | Report | FORM 8-K | Feb 5, 2015 | Feb 5, 2015 |
| SC 13G/A | Report | PROTO LABS INC 13G AMENDMENT #1 | Jan 29, 2015 | |
| SC 13G/A | Report | Jan 22, 2015 | ||
| 8-K | Report | FORM 8-K | Jan 15, 2015 | Jan 12, 2015 |
| 10-Q | Report | Data | FORM 10-Q | Nov 4, 2014 | Sep 30, 2014 |
| 10-Q | Report | Data | FORM 10-Q | Aug 5, 2014 | Jun 30, 2014 |
| 10-Q | Report | Data | FORM 10-Q | May 6, 2014 | Mar 31, 2014 |
| 10-K | Report | Data | FORM 10-K | Feb 28, 2014 | Dec 31, 2013 |
| 10-Q | Report | Data | FORM 10-Q | Nov 5, 2013 | Sep 30, 2013 |
| 10-Q | Report | Data | FORM 10-Q | Aug 6, 2013 | Jun 30, 2013 |
| 10-Q | Report | Data | FORM 10-Q | May 8, 2013 | Mar 31, 2013 |
| 10-K | Report | Data | FORM 10-K | Mar 22, 2013 | Dec 31, 2012 |
| 10-Q | Report | Data | FORM 10-Q | Oct 30, 2012 | Sep 30, 2012 |
| 10-Q | Report | Data | FORM 10-Q | Jul 25, 2012 | Jun 30, 2012 |
| 10-Q | Report | Data | FORM 10-Q | May 4, 2012 | Mar 31, 2012 |