| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | Jan 23, 2024 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2023 | |
| SC 13G/A | Report | CHAMPLAIN 13G TICKER MGPI | Feb 13, 2023 | |
| SC 13G | Report | SCHEDULE 13G | Feb 9, 2023 | |
| SC 13G/A | Report | Jan 26, 2023 | ||
| SC 13G/A | Report | Jan 20, 2023 | ||
| SC 13G/A | Report | Oct 7, 2022 | ||
| SC 13G | Report | SC 13G | Feb 11, 2022 | |
| SC 13G/A | Report | CHAMPLAIN 13G TICKER MGPI | Feb 11, 2022 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | Feb 1, 2022 | ||
| SC 13G/A | Report | CHAMPLAIN 13G TICKER MGPI | Feb 12, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | Jan 27, 2021 | ||
| SC 13G | Report | CHAMPLAIN 13G TICKER MGPI | Feb 13, 2020 | |
| SC 13G/A | Report | NONE | Feb 13, 2020 | |
| SC 13G | Report | SCHEDULE 13G | Feb 11, 2020 | |
| SC 13G/A | Report | Feb 4, 2020 | ||
| SC 13G/A | Report | CONESTOGA CAPITAL ADVISORS | Jan 17, 2020 | |
| SC 13G/A | Report | NONE | Feb 13, 2019 | |
| SC 13G/A | Report | Jan 31, 2019 | ||
| SC 13G | Report | CONESTOGA CAPITAL ADVISORS | Jan 8, 2019 | |
| SC 13G | Report | Jun 8, 2018 | ||
| SC 13G/A | Report | Mar 8, 2018 | ||
| SC 13G | Report | NONE | Feb 15, 2018 | |
| SC 13G/A | Report | Feb 13, 2018 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2018 | |
| SC 13G | Report | Feb 1, 2018 | ||
| SC 13G | Report | Jul 14, 2017 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2017 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2016 | |
| SC 13G/A | Report | SC 13G/A | Sep 3, 2015 | |
| SC 13G/A | Report | SC 13G/A | Feb 9, 2015 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 5, 2015 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2014 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2014 | |
| SC 13G | Report | SC 13G | Feb 6, 2014 | |
| SC 13G | Report | SCHEDULE 13G | Feb 11, 2013 | |
| SC 13G/A | Report | SC 13G/A | Feb 7, 2013 | |
| SC 13G/A | Report | AMENDMENT NO.1 | Feb 14, 2012 | |
| SC 13G/A | Report | SCHEDULE 13G | Feb 11, 2011 | |
| SC 13G | Report | Sep 30, 2010 | ||
| SC 13G/A | Report | SC 13G/A | Feb 12, 2010 | |
| SC 13G | Report | SCHEDULE 13G | Feb 8, 2010 |