| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2022 | 12 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 | 18 Nov 2020 | 17 Nov 2020 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2020 | 10 Aug 2020 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 11 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 | 20 Nov 2019 | 19 Nov 2019 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2019 | 12 Nov 2019 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2019 | 16 Aug 2019 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2019 | 10 May 2019 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2019 | 24 Jan 2019 | 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 | 22 Aug 2016 | 18 Aug 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2016 | 22 Jul 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 | 25 Jan 2016 | 22 Jan 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2016 | 07 Jan 2016 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2015 | 22 Jan 2015 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2014 | 11 Nov 2014 | 000-14902 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2014 | 22 Jan 2014 | 000-14902 |