| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2022 | May 18, 2022 | 001-14195 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2022 | Mar 10, 2022 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2021 | Mar 10, 2021 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2020 | Mar 10, 2020 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2019 | Mar 12, 2019 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2019 | Mar 11, 2019 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2019 | Feb 1, 2019 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2019 | Jan 18, 2019 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2018 | Mar 10, 2018 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2017 | Mar 15, 2017 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2017 | Mar 10, 2017 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2016 | Mar 10, 2016 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2015 | Mar 10, 2015 | 001-14195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2014 | Mar 10, 2014 | 001-14195 |