| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2024 | 23 Apr 2024 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2024 | 27 Feb 2024 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2023 | 28 Feb 2023 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2022 | 22 Feb 2022 | 001-10853 |
| 4 | Open Document | Open Filing | 25 Feb 2021 | 23 Feb 2021 | 001-10853 | |
| 4 | Open Document | Open Filing | 27 Feb 2020 | 25 Feb 2020 | 001-10853 | |
| 4 | Open Document | Open Filing | 28 Feb 2019 | 26 Feb 2019 | 001-10853 | |
| 4 | Open Document | Open Filing | 22 Feb 2018 | 20 Feb 2018 | 001-10853 | |
| 4 | Open Document | Open Filing | 23 Feb 2017 | 21 Feb 2017 | 001-10853 | |
| 4 | Open Document | Open Filing | 25 Feb 2016 | 23 Feb 2016 | 001-10853 | |
| 4 | Open Document | Open Filing | 26 Oct 2015 | 23 Oct 2015 | 001-10853 | |
| 4 | Open Document | Open Filing | 04 Aug 2015 | 01 Aug 2015 | 001-10853 | |
| 3 | Open Document | Open Filing | 04 Aug 2015 | 01 Aug 2015 | 001-10853 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2015 | 01 Aug 2015 | 001-33872 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2015 | 24 Feb 2015 | 001-33872 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2014 | 26 Feb 2014 | 001-33872 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2013 | 18 Jan 2013 | 001-33872 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2012 | 18 Jan 2012 | 001-33872 |