| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 04 Jan 2022 | 31 Dec 2021 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2021 | 20 May 2021 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 25 Feb 2021 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2021 | 25 Feb 2021 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2020 | 27 Feb 2020 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2020 | 25 Feb 2020 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2019 | 26 Feb 2019 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 14 Feb 2019 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2019 | 03 Jan 2019 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2018 | 30 Jan 2018 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 02 Jan 2018 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2017 | 23 May 2017 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2017 | 03 Jan 2017 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 24 May 2016 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2012 | 22 Oct 2012 | 001-16767 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2012 | 01 Mar 2012 | 001-16767 |