| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13D/A | Report | SC 13D/A | Jan 3, 2024 | |
| SC 13D/A | Report | Jan 29, 2021 | ||
| SC 13D | Report | Dec 8, 2020 | ||
| SC 13D/A | Report | SC 13D/A | Oct 30, 2020 | |
| SC 13D/A | Report | AMENDMENT NO. 11 TO SCHEDULE 13D | Sep 24, 2019 | |
| SC 13D/A | Report | AMENDMENT NO. 10 TO SCHEDULE 13D | Dec 10, 2018 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Nov 1, 2018 | |
| SC 13D/A | Report | SC 13D/A | Oct 2, 2018 | |
| SC 13D/A | Report | SC 13D/A | Aug 10, 2018 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Jul 30, 2018 | |
| SC 13D/A | Report | SC 13D/A | Jul 3, 2018 | |
| SC 13D/A | Report | SC 13D/A | Apr 2, 2018 | |
| SC 13D/A | Report | AMENDMENT NO. 6 TO SCHEDULE 13D | Feb 26, 2018 | |
| SC 13D/A | Report | SC 13D/A | Jan 8, 2018 | |
| SC 13D/A | Report | SC 13D/A | Jan 3, 2018 | |
| SC 13D/A | Report | AMENDMENT NO. 9 TO SCHEDULE 13D | Dec 26, 2017 | |
| SC 13D/A | Report | SC 13D/A | Oct 3, 2017 | |
| SC 13D/A | Report | SC 13D/A | Jun 30, 2017 | |
| SC 13D/A | Report | SC 13D/A | Jun 20, 2017 | |
| SC 13D/A | Report | AMENDMENT NO. 8 TO SCHEDULE 13D | Dec 23, 2016 | |
| SC 13D | Report | SC 13D | Oct 18, 2016 | |
| SC 13D/A | Report | AMENDMENT NO. 7 TO SCHEDULE 13D | Oct 2, 2015 | |
| SC 13D/A | Report | Jun 18, 2015 | ||
| SC 13D/A | Report | Jun 24, 2014 | ||
| SC 13D/A | Report | AMENDMENT NO. 6 TO SCHEDULE 13D | Aug 22, 2013 | |
| SC 13D/A | Report | AMENDMENT NO. 5 TO SCHEDULE 13D | Jun 27, 2013 | |
| SC 13D/A | Report | SCHEDULE 13D AMENDMENT 4 | Dec 26, 2012 | |
| SC 13D/A | Report | AMENDMENT NO. 3 TO SCHEDULE 13D | Aug 16, 2012 | |
| SC 13D/A | Report | SC 13D/A | Nov 23, 2011 | |
| SC 13D/A | Report | SC 13D/A | Sep 16, 2011 | |
| SC 13D | Report | SC 13D | Jul 5, 2011 | |
| SC 13D | Report | Jul 5, 2011 |