| 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 | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | Jan 26, 2023 | ||
| SC 13G/A | Report | Jan 20, 2023 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | Jan 27, 2022 | ||
| SC 13G/A | Report | Jan 25, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Apr 12, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | Jan 27, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 4, 2020 | ||
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G/A | Report | Jan 24, 2019 | ||
| SC 13G/A | Report | Feb 12, 2018 | ||
| SC 13G/A | Report | Jan 19, 2018 | ||
| SC 13G/A | Report | Nov 13, 2017 | ||
| SC 13G/A | Report | Feb 9, 2017 | ||
| SC 13G/A | Report | Jan 12, 2017 | ||
| SC 13G/A | Report | May 10, 2016 | ||
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Jan 25, 2016 | ||
| SC 13G/A | Report | Feb 11, 2015 | ||
| SC 13G/A | Report | Jan 9, 2015 | ||
| SC 13G/A | Report | Feb 10, 2014 | ||
| SC 13G/A | Report | Jan 31, 2014 | ||
| SC 13G/A | Report | Oct 10, 2013 | ||
| SC 13G/A | Report | Feb 22, 2013 | ||
| SC 13G | Report | Feb 13, 2013 | ||
| SC 13G/A | Report | Feb 1, 2013 | ||
| SC 13G/A | Report | Feb 13, 2012 | ||
| SC 13G/A | Report | ALLETE, INC. | Feb 8, 2012 | |
| SC 13G | Report | ALLETE INC | Feb 10, 2011 | |
| SC 13G/A | Report | Feb 2, 2011 | ||
| SC 13G | Report | Jan 29, 2010 |