| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 06 May 2025 | 02 May 2025 | 000-26966 |
| 4 | Open Document | Open Filing | 4 | 07 May 2024 | 03 May 2024 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2023 | 05 May 2023 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2022 | 09 May 2022 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2022 | 01 Feb 2022 | 000-26966 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Feb 2022 | 01 Feb 2022 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2021 | 16 Mar 2021 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Nov 2020 | 24 Nov 2020 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Oct 2020 | 27 Oct 2020 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Oct 2020 | 26 Oct 2020 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jul 2020 | 26 Jul 2020 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Nov 2019 | 25 Nov 2019 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2019 | 29 Oct 2019 | 001-34841 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Oct 2019 | 26 Oct 2019 | 001-34841 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Aug 2019 | 01 Aug 2019 | 001-34841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2015 | 07 Dec 2015 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2015 | 05 Nov 2015 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2015 | 05 May 2015 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2015 | 02 Apr 2015 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2015 | 05 Jan 2015 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2014 | 07 Nov 2014 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2014 | 03 Apr 2014 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2014 | 05 Jan 2014 | 001-35184 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2013 | 06 Nov 2013 | 001-35184 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2013 | 02 Apr 2013 | 001-35184 |
| 3 | Open Document | Open Filing | FORM 3 | 07 Nov 2012 | 06 Nov 2012 | 001-35184 |