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