| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2022 | Mar 18, 2022 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2022 | Mar 15, 2022 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2022 | Feb 18, 2022 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2021 | Mar 19, 2021 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2021 | Mar 15, 2021 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2021 | Feb 18, 2021 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2021 | Feb 15, 2021 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2020 | Mar 15, 2020 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2020 | Feb 21, 2020 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2020 | Feb 15, 2020 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2019 | Mar 15, 2019 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2018 | Nov 20, 2018 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 2, 2018 | Nov 2, 2018 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2018 | Mar 16, 2018 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2018 | Feb 19, 2018 | 001-34501 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2017 | Aug 18, 2017 | 001-34501 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2017 | Aug 10, 2017 | 001-34501 |