| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 14 Jul 2025 | 30 May 2025 | 001-34970 | |
| 4 | Open Document | Open Filing | 20 Sep 2022 | 01 Sep 2022 | 001-34970 | |
| 4 | Open Document | Open Filing | 02 Jun 2022 | 11 Mar 2022 | 001-34970 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2022 | 20 Jan 2022 | 001-34970 |
| 4 | Open Document | Open Filing | 16 Nov 2021 | 12 Nov 2021 | 000-55802 | |
| 4 | Open Document | Open Filing | 14 May 2021 | 12 May 2021 | 000-55802 | |
| 5 | Open Document | Open Filing | 27 May 2020 | 31 Dec 2019 | 000-55802 | |
| 4 | Open Document | Open Filing | 27 May 2020 | 19 May 2020 | 000-55802 | |
| 4 | Open Document | Open Filing | 17 Sep 2019 | 13 Sep 2019 | 000-55802 | |
| 3 | Open Document | Open Filing | 23 Jun 2017 | 23 Jun 2017 | 000-55802 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 May 2017 | 28 Apr 2017 | 001-34643 |
| SC 13D | Open Document | Open Filing | SC 13D | 25 Jul 2016 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Oct 2015 | 29 Sep 2015 | 001-34643 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Aug 2015 | 06 Aug 2015 | 001-34643 |
| 4 | Open Document | Open Filing | CHARLES BENTON OWNERSHIP DOCUMENT | 25 Jun 2014 | 24 Apr 2014 | 001-34643 |