| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2025 | 05 May 2025 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2024 | 09 May 2024 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2024 | 06 May 2024 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2023 | 09 May 2023 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2023 | 03 May 2023 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2022 | 11 Aug 2022 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2022 | 03 May 2022 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2021 | 06 May 2021 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2021 | 04 May 2021 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2021 | 16 Mar 2021 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2020 | 08 May 2020 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2020 | 06 May 2020 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2019 | 08 May 2019 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2019 | 02 May 2019 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2018 | 02 May 2018 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2017 | 15 Jun 2017 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2017 | 04 May 2017 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2017 | 03 May 2017 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2016 | 03 Jun 2016 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 25 May 2016 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2016 | 04 May 2016 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2015 | 18 Dec 2015 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2015 | 16 Dec 2015 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2015 | 22 Sep 2015 | 000-18516 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2014 | 07 May 2014 | 000-18516 |