| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2022 | 19 May 2022 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2022 | 18 Feb 2022 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2021 | 15 Dec 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Oct 2021 | 07 Oct 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2021 | 13 May 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2021 | 19 Feb 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2021 | 09 Feb 2021 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2020 | 03 Jun 2020 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2020 | 14 Feb 2020 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2020 | 11 Feb 2020 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 14 Feb 2019 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 08 Feb 2019 | 001-08503 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 31 Dec 2018 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 09 Feb 2018 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2018 | 31 Jan 2018 | 001-08503 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2018 | 31 Dec 2017 | 001-08503 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2018 | 31 Dec 2017 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 10 Feb 2017 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | 001-08503 |
| 5 | Open Document | Open Filing | FORM 5 | 27 Jan 2017 | 31 Dec 2016 | 001-15973 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2016 | 24 Oct 2016 | 001-08503 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2016 | 02 Mar 2016 | 001-15973 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2016 | 24 Feb 2016 | 001-15973 |
| 3 | Open Document | Open Filing | FORM 3 | 09 Jul 2015 | 30 Jun 2015 | 001-15973 |