| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2022 | Oct 31, 2022 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 3, 2021 | Nov 3, 2021 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 29, 2021 | Oct 29, 2021 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2021 | May 20, 2021 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2021 | Feb 1, 2021 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2020 | Nov 2, 2020 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2020 | May 21, 2020 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Feb 3, 2020 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2019 | May 16, 2019 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2019 | Jan 31, 2019 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 17, 2018 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2018 | Jan 30, 2018 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2017 | May 18, 2017 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2016 | Oct 25, 2016 | 000-10235 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2016 | May 19, 2016 | 000-10235 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 27, 2015 | May 21, 2015 | 000-10235 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 24, 2014 | Oct 23, 2014 | 000-10235 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2014 | May 15, 2014 | 000-10235 |