| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | Jan 26, 2024 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G/A | Report | Feb 1, 2023 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 14, 2022 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2022 | |
| SC 13G/A | Report | Feb 1, 2022 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | Jan 29, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Oct 13, 2020 | |
| SC 13G/A | Report | SC 13G/A | May 7, 2020 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2020 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 5, 2020 | ||
| SC 13G/A | Report | SCHEDULE 13G AMENDMENT | Jan 31, 2020 | |
| SC 13G/A | Report | SC 13G/A | Feb 14, 2019 | |
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G | Report | Feb 8, 2019 | ||
| SC 13G/A | Report | SC 13G/A | Feb 14, 2018 | |
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G/A | Report | Feb 9, 2018 | ||
| SC 13G/A | Report | Feb 8, 2018 | ||
| SC 13G | Report | SC 13G | Feb 14, 2017 | |
| SC 13G/A | Report | Feb 9, 2017 | ||
| SC 13G | Report | Jan 30, 2017 | ||
| SC 13G/A | Report | May 10, 2016 | ||
| SC 13G/A | Report | Feb 11, 2016 | ||
| SC 13G | Report | Feb 9, 2016 | ||
| SC 13G | Report | SCHEDULE 13G | Sep 18, 2015 | |
| SC 13G | Report | SCHEDULE 13G | Sep 18, 2015 | |
| SC 13G/A | Report | Feb 10, 2015 | ||
| SC 13G/A | Report | Feb 10, 2015 | ||
| SC 13G | Report | Feb 6, 2015 | ||
| SC 13G | Report | Feb 12, 2014 | ||
| SC 13G/A | Report | 13G/A DAL 1-31-2014 | Jan 31, 2014 | |
| SC 13G/A | Report | DISCLOSURE DOCUMENT | Sep 10, 2013 | |
| SC 13G/A | Report | Mar 11, 2013 | ||
| SC 13G/A | Report | DISCLOSURE DOCUMENT | Feb 14, 2013 | |
| SC 13G/A | Report | 13G/A DAL 12-31-12 | Feb 14, 2013 | |
| SC 13G/A | Report | Feb 8, 2013 | ||
| SC 13G/A | Report | 13G/A ANNUAL | Feb 14, 2012 | |
| SC 13G/A | Report | Feb 14, 2012 | ||
| SC 13G/A | Report | DISCLOSURE DOCUMENT | Feb 14, 2012 | |
| SC 13G/A | Report | Feb 13, 2012 | ||
| SC 13G/A | Report | Feb 13, 2012 | ||
| SC 13G/A | Report | DOC ONE | Mar 10, 2011 | |
| SC 13G/A | Report | DOC ONE | Feb 14, 2011 | |
| SC 13G/A | Report | SEC FILING | Feb 14, 2011 | |
| SC 13G/A | Report | Feb 14, 2011 | ||
| SC 13G | Report | Feb 9, 2011 | ||
| SC 13G/A | Report | Feb 4, 2011 | ||
| SC 13G/A | Report | DOC ONE | Feb 16, 2010 | |
| SC 13G | Report | DAL 13G 12/31/09 | Feb 16, 2010 | |
| SC 13G/A | Report | SEC FILING | Feb 12, 2010 | |
| SC 13G | Report | Jan 29, 2010 |