| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 6, 2022 | Sep 1, 2022 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2022 | Mar 7, 2022 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2022 | Feb 28, 2022 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2021 | Nov 2, 2021 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2021 | Aug 18, 2021 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2021 | Jun 4, 2021 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2021 | Apr 30, 2021 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2021 | Mar 7, 2021 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2020 | Dec 28, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2020 | Dec 9, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2020 | Dec 7, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2020 | Nov 16, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2020 | Aug 31, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 20, 2020 | Apr 16, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2020 | Mar 7, 2020 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2019 | May 13, 2019 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2018 | Oct 12, 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2018 | Jun 8, 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | Jun 1, 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2018 | May 29, 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2018 | Mar 17, 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2018 | Mar 7, 2018 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2017 | Dec 13, 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2017 | Aug 31, 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2017 | May 24, 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2017 | Mar 9, 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2017 | Feb 23, 2017 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2016 | Dec 29, 2016 | 000-22427 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 14, 2016 | Nov 10, 2016 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2016 | Mar 2, 2016 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2015 | Dec 29, 2015 | 000-22427 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 3, 2015 | Dec 1, 2015 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2015 | Jan 16, 2015 | 000-22427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Dec 31, 2014 | 000-22427 |