| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2024 | Dec 30, 2024 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 27, 2023 | Dec 27, 2023 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2023 | Feb 15, 2023 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2022 | Nov 28, 2022 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2022 | Aug 23, 2022 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 14, 2022 | Jun 14, 2022 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2022 | May 25, 2022 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2022 | Feb 23, 2022 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2021 | Nov 18, 2021 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2021 | Aug 18, 2021 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2021 | May 12, 2021 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2021 | Feb 19, 2021 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2020 | Nov 12, 2020 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2020 | Aug 18, 2020 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2020 | May 15, 2020 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2020 | Mar 11, 2020 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2019 | Nov 13, 2019 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2019 | Aug 13, 2019 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2019 | May 10, 2019 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2019 | Feb 21, 2019 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2018 | Nov 29, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2018 | Nov 14, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2018 | Aug 10, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | Jun 1, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2018 | May 23, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2018 | May 10, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2018 | Feb 12, 2018 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2017 | Nov 13, 2017 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2017 | Aug 10, 2017 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2017 | May 15, 2017 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2017 | Feb 14, 2017 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2016 | Nov 16, 2016 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 6, 2016 | Sep 2, 2016 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2016 | Aug 10, 2016 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2016 | May 10, 2016 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2016 | Feb 10, 2016 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2015 | Nov 19, 2015 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2015 | Aug 25, 2015 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2015 | Jun 10, 2015 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2015 | May 12, 2015 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 10, 2015 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2014 | Nov 28, 2014 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2014 | Aug 26, 2014 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2014 | May 30, 2014 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 10, 2014 | 000-20914 |