| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2023 | 15 Feb 2023 | 001-14514 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2022 | 16 Feb 2022 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2022 | 16 Feb 2022 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2021 | 17 Feb 2021 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2020 | 19 Feb 2020 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2019 | 20 Feb 2019 | 001-14514 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2018 | 22 Feb 2018 | 001-14514 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2018 | 14 Feb 2018 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2018 | 22 Feb 2018 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2018 | 14 Feb 2018 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2017 | 27 Feb 2017 | 001-14514 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 15 Feb 2017 | 001-14514 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2016 | 01 Dec 2016 | 001-14514 |