| 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 | 30 Dec 2021 | 29 Dec 2021 | 001-39685 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2021 | 27 Jan 2021 | 000-14902 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Dec 2020 | 16 Dec 2020 | 001-39685 |
| 3 | Open Document | Open Filing | FORM 3 | 12 Nov 2020 | 12 Nov 2020 | 001-39685 |
| 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 | 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 | 02 May 2016 | 29 Apr 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 | 18 Aug 2015 | 14 Aug 2015 | 000-14902 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2015 | 14 Aug 2015 | 000-14902 |