| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | Dec 18, 2023 | |||
| SC 13D/A | Open Document | Open Filing | Nov 12, 2021 | |||
| 4 | Open Document | Open Filing | Nov 5, 2021 | Oct 30, 2021 | 001-35824 | |
| 4 | Open Document | Open Filing | Oct 6, 2021 | Sep 29, 2021 | 001-35824 | |
| 4/A | Open Document | Open Filing | May 6, 2020 | Nov 15, 2019 | 001-35824 | |
| SC 13D/A | Open Document | Open Filing | May 5, 2020 | |||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 | Jan 18, 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 18, 2017 | Jan 18, 2017 | 001-35824 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | Dec 21, 2016 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2016 | Nov 7, 2016 | 001-35824 |
| SC 13D | Open Document | Open Filing | Nov 16, 2016 |