| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13D/A | Report | SCHEDULE 13DA | Jan 11, 2021 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Aug 14, 2020 | |
| SC 13D/A | Report | AMENDMENT NO. 1 TO THE SCHEDULE 13D | Feb 18, 2020 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Aug 8, 2019 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Aug 6, 2019 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Aug 2, 2019 | |
| SC 13D | Report | SCHEDULE 13D | Jul 24, 2019 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Dec 20, 2018 | |
| SC 13D/A | Report | SCHEDULE 13DA | Nov 29, 2018 | |
| SC 13D | Report | SCHEDULE 13D | Aug 2, 2018 | |
| SC 13D | Report | SCHEDULE 13D | Feb 20, 2018 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Jul 10, 2017 | |
| SC 13D/A | Report | SCHEDULE 13D | Mar 31, 2017 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Feb 17, 2017 | |
| SC 13D/A | Report | Apr 29, 2016 | ||
| SC 13D/A | Report | Mar 16, 2016 | ||
| SC 13D | Report | SCHEDULE 13D | Dec 24, 2015 | |
| SC 13D/A | Report | SC 13D/A | Nov 25, 2015 | |
| SC 13D/A | Report | Nov 16, 2015 | ||
| SC 13D | Report | SC 13D | Oct 27, 2015 | |
| SC 13D | Report | Aug 11, 2015 | ||
| SC 13D/A | Report | Nov 20, 2014 | ||
| SC 13D | Report | SCHEDULE 13D | Jun 23, 2014 | |
| SC 13D | Report | SCHEDULE 13D | Feb 24, 2014 | |
| SC 13D | Report | May 20, 2013 |