| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2025 | 06 Mar 2025 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2025 | 02 Jan 2025 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2024 | 07 Mar 2024 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2024 | 02 Jan 2024 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2023 | 09 Mar 2023 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2023 | 03 Jan 2023 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2022 | 10 Mar 2022 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2022 | 03 Jan 2022 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2021 | 21 Jun 2021 | 001-02256 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2021 | 21 Jun 2021 | 001-02256 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2021 | 11 Mar 2021 | 000-06920 |
| 3 | Open Document | Open Filing | 11 Feb 2021 | 11 Feb 2021 | 001-40057 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2020 | 18 Jun 2020 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2020 | 12 Mar 2020 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2019 | 07 Mar 2019 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2018 | 08 Mar 2018 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2017 | 23 Aug 2017 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2017 | 09 Mar 2017 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2016 | 10 Mar 2016 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2015 | 02 Apr 2015 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Mar 2014 | 19 Mar 2014 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2014 | 04 Mar 2014 | 000-06920 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2014 | 02 Jan 2014 | 001-34705 |