| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2022 | Feb 25, 2022 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2022 | Feb 23, 2022 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2022 | Feb 18, 2022 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2022 | Feb 17, 2022 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2021 | Nov 13, 2021 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2021 | Feb 19, 2021 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2021 | Feb 18, 2021 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2021 | Feb 17, 2021 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2020 | Nov 13, 2020 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2020 | Feb 20, 2020 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2020 | Feb 18, 2020 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2019 | May 1, 2019 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2019 | Apr 26, 2019 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2019 | Feb 25, 2019 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2019 | Feb 23, 2019 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2019 | Feb 21, 2019 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2019 | Feb 19, 2019 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2018 | Aug 24, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2018 | Feb 28, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 26, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2018 | Feb 23, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2018 | Feb 22, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2018 | Feb 21, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2018 | Feb 20, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 9, 2018 | 001-06682 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2017 | Aug 2, 2017 | 001-06682 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Mar 2, 2017 | 001-06682 |