| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2025 | Aug 28, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2025 | Aug 28, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2025 | Jul 7, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2025 | Jun 9, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2025 | Jun 9, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 23, 2025 | Apr 23, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2025 | Jan 3, 2025 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2024 | Feb 20, 2024 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2023 | Dec 12, 2023 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2023 | Dec 12, 2023 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2023 | Aug 16, 2023 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2023 | Feb 16, 2023 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2022 | Dec 13, 2022 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 8, 2022 | Sep 8, 2022 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2022 | Aug 31, 2022 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 15, 2022 | Aug 15, 2022 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2022 | Mar 24, 2022 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2021 | Dec 17, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2021 | Dec 6, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2021 | Nov 30, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2021 | Sep 17, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2021 | Aug 18, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2021 | Feb 19, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2021 | May 13, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2021 | Mar 4, 2021 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2021 | Jan 13, 2021 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2020 | Dec 5, 2020 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2020 | Dec 5, 2020 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2020 | Dec 5, 2020 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 22, 2020 | Sep 21, 2020 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 21, 2020 | Sep 21, 2020 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2020 | Jul 15, 2020 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 27, 2020 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2019 | Dec 24, 2019 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2019 | Nov 21, 2019 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 25, 2019 | Oct 24, 2019 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2019 | Jun 10, 2019 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2019 | May 24, 2019 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2019 | Mar 29, 2019 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2019 | Mar 29, 2019 | 000-20402 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2019 | Dec 31, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2019 | Dec 31, 2018 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2018 | Dec 18, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2018 | Dec 18, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2018 | Jun 19, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2018 | Jun 19, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2018 | Jun 19, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2018 | Apr 3, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2018 | Mar 23, 2018 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2018 | Mar 6, 2018 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2017 | Dec 20, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2017 | Dec 20, 2017 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2017 | Apr 18, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2017 | Apr 18, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Mar 13, 2017 | 000-20402 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2017 | Mar 10, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2017 | Mar 10, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2017 | Feb 23, 2017 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2016 | Sep 30, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2016 | Sep 30, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2016 | Sep 26, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2016 | Aug 11, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2016 | Aug 10, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2016 | Jun 17, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2016 | May 24, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2016 | May 12, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2016 | Apr 25, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2016 | Feb 12, 2016 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2015 | Dec 14, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2015 | Dec 11, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2015 | Jul 31, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2015 | Aug 11, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2015 | Aug 3, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2015 | Jul 15, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2015 | Jun 8, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Feb 17, 2015 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2014 | Dec 19, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 26, 2014 | Nov 26, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 12, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2014 | Oct 27, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 19, 2014 | Sep 19, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2014 | Aug 27, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2014 | Jun 30, 2014 | 000-20402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2014 | Mar 13, 2014 | 000-20402 |