| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 07 Apr 2025 | 03 Apr 2025 | 001-13219 | |
| 4 | Open Document | Open Filing | 01 Apr 2025 | 29 Mar 2025 | 001-13219 | |
| 4 | Open Document | Open Filing | 18 Mar 2025 | 15 Mar 2025 | 001-13219 | |
| 4 | Open Document | Open Filing | 02 Aug 2024 | 31 Jul 2024 | 001-13219 | |
| 4 | Open Document | Open Filing | 05 Apr 2024 | 03 Apr 2024 | 001-13219 | |
| 4 | Open Document | Open Filing | 02 Apr 2024 | 29 Mar 2024 | 001-13219 | |
| 4 | Open Document | Open Filing | 05 Mar 2024 | 02 Mar 2024 | 001-13219 | |
| 4 | Open Document | Open Filing | 02 Aug 2023 | 31 Jul 2023 | 001-13219 | |
| 4 | Open Document | Open Filing | 05 Apr 2023 | 03 Apr 2023 | 001-13219 | |
| 4 | Open Document | Open Filing | 03 Apr 2023 | 30 Mar 2023 | 001-13219 | |
| 4 | Open Document | Open Filing | 06 Mar 2023 | 02 Mar 2023 | 001-13219 | |
| 4 | Open Document | Open Filing | 02 Aug 2022 | 31 Jul 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | 25 May 2022 | 23 May 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | 04 Apr 2022 | 31 Mar 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | 01 Apr 2022 | 30 Mar 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | 14 Mar 2022 | 10 Mar 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | 04 Mar 2022 | 02 Mar 2022 | 001-13219 | |
| 4 | Open Document | Open Filing | 03 Aug 2021 | 31 Jul 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | 01 Apr 2021 | 30 Mar 2021 | 001-13219 | |
| 4 | Open Document | Open Filing | 04 Mar 2021 | 02 Mar 2021 | 001-13219 | |
| 4 | Open Document | Open Filing | 14 Sep 2020 | 10 Sep 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | 01 Apr 2020 | 30 Mar 2020 | 001-13219 | |
| 4 | Open Document | Open Filing | 09 Mar 2020 | 05 Mar 2020 | 001-13219 | |
| 3 | Open Document | Open Filing | 27 Aug 2019 | 23 Aug 2019 | 001-13219 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Oct 2012 | 05 Oct 2012 | 001-06841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2012 | 15 Mar 2012 | 001-06841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2012 | 09 Mar 2012 | 001-06841 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2012 | 24 Jan 2012 | 001-06841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2012 | 24 Jan 2012 | 001-06841 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2012 | 31 Dec 2011 | 001-06841 |