| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2023 | 31 Jan 2023 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2022 | 26 Jan 2022 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2021 | 27 Jan 2021 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2020 | 25 Feb 2020 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2020 | 29 Jan 2020 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2019 | 24 Jan 2019 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2018 | 05 Nov 2018 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2018 | 24 Aug 2018 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2018 | 23 Feb 2018 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2018 | 25 Jan 2018 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2017 | 25 Jan 2017 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2016 | 11 Aug 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2016 | 27 Jan 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2015 | 06 Nov 2015 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | 000-14902 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | 000-14902 |