| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2025 | Jun 20, 2025 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2025 | May 12, 2025 | 000-15572 |
| 144 | Open Document | Open Filing | May 12, 2025 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2025 | Jul 23, 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2025 | Dec 31, 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2024 | Jul 23, 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2024 | Mar 8, 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 9, 2024 | Jan 5, 2024 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2023 | Nov 10, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 26, 2023 | Sep 22, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2023 | Jun 27, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2023 | Jun 23, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2023 | Jan 24, 2023 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2023 | Dec 31, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2022 | Jul 22, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2022 | Jun 30, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2022 | Jan 25, 2022 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2022 | Dec 31, 2021 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 29, 2021 | Jul 24, 2021 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2021 | Mar 23, 2021 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2021 | Mar 12, 2021 | 000-15572 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2021 | Dec 31, 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2021 | Feb 2, 2021 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2021 | Dec 31, 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2020 | Oct 26, 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 28, 2020 | Jul 24, 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2020 | Jun 23, 2020 | 000-15572 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2020 | Feb 4, 2020 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2020 | Feb 4, 2020 | 000-15572 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2020 | Dec 31, 2019 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2019 | Jun 25, 2019 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2019 | Feb 5, 2019 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Dec 31, 2018 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2018 | Jul 24, 2018 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 18, 2018 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2018 | Feb 6, 2018 | 000-15572 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2017 | Jul 25, 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 27, 2017 | Jul 25, 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2017 | May 2, 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Dec 31, 2016 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2017 | Feb 7, 2017 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2016 | Aug 30, 2016 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2016 | Jun 27, 2016 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2016 | Jun 24, 2016 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2016 | Dec 31, 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2016 | Feb 23, 2016 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2015 | Jun 26, 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2015 | May 15, 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2015 | May 8, 2015 | 000-15572 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2015 | Feb 26, 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2015 | Feb 24, 2015 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2014 | May 6, 2014 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2014 | Mar 24, 2014 | 000-15572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2014 | Mar 13, 2014 | 000-15572 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2014 | Mar 10, 2014 | 000-15572 |