| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2025 | May 20, 2025 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2025 | Mar 17, 2025 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2025 | Mar 10, 2025 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2025 | Feb 25, 2025 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2024 | May 20, 2024 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2024 | May 6, 2024 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2024 | Mar 13, 2024 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2024 | Mar 11, 2024 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2023 | May 5, 2023 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2023 | Mar 27, 2023 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2023 | Mar 8, 2023 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2022 | May 5, 2022 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2022 | Mar 26, 2022 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2022 | Mar 9, 2022 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2021 | May 5, 2021 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2021 | Mar 26, 2021 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2021 | Feb 25, 2021 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 30, 2020 | Mar 26, 2020 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2020 | Mar 18, 2020 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2018 | Dec 3, 2018 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2018 | Aug 13, 2018 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2018 | Jun 15, 2018 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2018 | Mar 20, 2018 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2017 | Nov 17, 2017 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2017 | Apr 3, 2017 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2017 | Jan 20, 2017 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2017 | Jan 9, 2017 | 000-14237 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2017 | Dec 7, 2016 | 000-14237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2016 | Dec 7, 2016 | 000-14237 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2016 | Aug 24, 2016 | 000-14237 |