| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Feb 2023 | 01 Feb 2023 | 001-39868 | |
| 4 | Open Document | Open Filing | 30 Jan 2023 | 30 Jan 2023 | 001-39868 | |
| 3 | Open Document | Open Filing | 12 Jan 2021 | 12 Jan 2021 | 001-39868 | |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A AMENDMENT NO 4 | 08 Dec 2015 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Sep 2015 | 08 Sep 2015 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Dec 2014 | 03 Dec 2014 | 001-34887 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 14 Oct 2014 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Oct 2014 | 30 Sep 2014 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Sep 2014 | 16 Sep 2014 | 001-34887 |