| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2022 | 28 Feb 2022 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2022 | 16 Feb 2022 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2021 | 16 Mar 2021 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2021 | 27 Feb 2021 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2021 | 24 Feb 2021 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2020 | 09 Nov 2020 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2020 | 22 Jul 2020 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2020 | 01 Jul 2020 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2020 | 01 Apr 2020 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2020 | 16 Mar 2020 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2020 | 24 Feb 2020 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | 001-06659 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2018 | 15 Nov 2018 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2018 | 15 Nov 2018 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2018 | 27 Feb 2018 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2018 | 23 Feb 2018 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2017 | 06 Jun 2017 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2017 | 27 Feb 2017 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2017 | 22 Feb 2017 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2016 | 30 Mar 2016 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2016 | 27 Feb 2016 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2015 | 10 Nov 2015 | 001-06659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2015 | 01 Jul 2015 | 001-06659 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2015 | 16 Jul 2015 | 001-06659 |