| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SC 13G/A | Feb 14, 2023 | |
| SC 13G/A | Report | Feb 13, 2023 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 10, 2023 | |
| SC 13G/A | Report | Feb 17, 2022 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2022 | |
| SC 13G/A | Report | Feb 11, 2022 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 8, 2022 | |
| SC 13G | Report | SCHEDULE 13G | Dec 21, 2021 | |
| SC 13G/A | Report | DWSN 13G 11/30/21 GRACE & WHITE, INC | Dec 7, 2021 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 12, 2021 | |
| SC 13G/A | Report | SC 13G/A | Feb 12, 2021 | |
| SC 13G/A | Report | Feb 11, 2021 | ||
| SC 13G/A | Report | GRACE & WHITE, INC 13G/1 DWSN 12/31/20 | Jan 29, 2021 | |
| SC 13G/A | Report | Dec 10, 2020 | ||
| SC 13G | Report | SC 13G | Oct 19, 2020 | |
| SC 13G/A | Report | Apr 9, 2020 | ||
| SC 13G/A | Report | Feb 14, 2020 | ||
| SC 13G | Report | Feb 14, 2020 | ||
| SC 13G | Report | SC 13G | Feb 14, 2020 | |
| SC 13G/A | Report | Feb 13, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | GRACE & WHITE, INC. DWSN 13G/A 12/31/19 | Feb 3, 2020 | |
| SC 13G | Report | Sep 9, 2019 | ||
| SC 13G/A | Report | Jul 10, 2019 | ||
| SC 13G/A | Report | Feb 13, 2019 | ||
| SC 13G/A | Report | Feb 8, 2019 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 8, 2019 | |
| SC 13G | Report | Feb 8, 2019 | ||
| SC 13G | Report | GRACE & WHITE ,INC, 13G DWSN 12/31/18 | Jan 25, 2019 | |
| SC 13G/A | Report | Feb 14, 2018 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2018 | |
| SC 13G/A | Report | Feb 1, 2018 | ||
| SC 13G/A | Report | Jul 10, 2017 | ||
| SC 13G | Report | 13G | Feb 14, 2017 | |
| SC 13G | Report | SCHEDULE 13G | Feb 9, 2017 | |
| SC 13G/A | Report | Jan 23, 2017 | ||
| SC 13G/A | Report | DWSN 13G GWI | Aug 2, 2016 | |
| SC 13G/A | Report | ROBECO INVESTMENT MANAGEMENT INC. | Feb 11, 2016 | |
| SC 13G | Report | SCHEDULE 13G | Feb 9, 2016 | |
| SC 13G/A | Report | Feb 4, 2016 | ||
| SC 13G | Report | Jan 28, 2016 | ||
| SC 13G/A | Report | Jan 21, 2016 | ||
| SC 13G/A | Report | Dec 4, 2015 | ||
| SC 13G/A | Report | Mar 10, 2015 | ||
| SC 13G | Report | SC 13G | Feb 17, 2015 | |
| SC 13G/A | Report | Feb 12, 2015 | ||
| SC 13G | Report | ROBECO INVESTMENT MANAGEMENT INC. | Feb 11, 2015 | |
| SC 13G/A | Report | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | Feb 6, 2015 | |
| SC 13G/A | Report | Feb 2, 2015 | ||
| SC 13G/A | Report | Jan 28, 2015 | ||
| SC 13G/A | Report | Jan 22, 2015 | ||
| SC 13G/A | Report | Feb 14, 2014 | ||
| SC 13G | Report | Feb 14, 2014 | ||
| SC 13G | Report | SCHEDULE 13G HOLDINGS REPORT | Feb 13, 2014 | |
| SC 13G | Report | Feb 6, 2014 | ||
| SC 13G/A | Report | Jan 16, 2014 | ||
| SC 13G/A | Report | SC 13G/A | Feb 13, 2013 | |
| SC 13G/A | Report | Feb 12, 2013 | ||
| SC 13G/A | Report | Jan 22, 2013 | ||
| SC 13G/A | Report | SCHEDULE 13G AMENDMENT NO. 1 | Feb 13, 2012 | |
| SC 13G | Report | Feb 13, 2012 | ||
| SC 13G/A | Report | Feb 1, 2012 | ||
| SC 13G/A | Report | Jan 23, 2012 | ||
| SC 13G | Report | SC 13G | Feb 11, 2011 | |
| SC 13G/A | Report | Feb 9, 2011 | ||
| SC 13G | Report | Feb 1, 2011 | ||
| SC 13G | Report | Jan 31, 2011 | ||
| SC 13G/A | Report | Jan 25, 2011 | ||
| SC 13G/A | Report | Jan 26, 2010 |