| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 03 Oct 2024 | 15 Jan 2024 | 000-55546 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 03 Oct 2024 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 08 Feb 2019 | ||
| 4 | Open Document | Open Filing | 08 Feb 2019 | 30 Nov 2018 | 000-55546 | |
| 4 | Open Document | Open Filing | 25 Oct 2018 | 23 Oct 2018 | 000-55546 | |
| 4 | Open Document | Open Filing | 07 Aug 2018 | 06 Aug 2018 | 000-55546 | |
| 4 | Open Document | Open Filing | 26 Jul 2018 | 20 Jun 2018 | 000-55546 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 31 May 2018 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Mar 2018 | 12 Mar 2018 | 000-55546 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 Feb 2018 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Jan 2018 | 05 Jan 2018 | 000-55546 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Oct 2017 | 09 Oct 2017 | 000-55546 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Aug 2017 | 23 Aug 2017 | 000-55546 |
| SC 13D | Open Document | Open Filing | SC 13D | 06 Jun 2017 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jun 2017 | 31 May 2017 | 000-55546 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | 000-55546 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 15 Feb 2017 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Jan 2017 | 10 Jan 2017 | 000-55546 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Jul 2016 | 12 Jan 2016 | 000-55546 |
| SC 13G | Open Document | Open Filing | SC 13G | 01 Feb 2016 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Jan 2016 | 11 Dec 2015 | 000-55546 |