| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Feb 28, 2022 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2022 | Feb 10, 2022 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 26, 2021 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2021 | Feb 11, 2021 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 2, 2021 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Feb 28, 2020 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2020 | Feb 13, 2020 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2020 | Jan 1, 2020 | 001-14756 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2019 | Jun 13, 2019 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Feb 28, 2019 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2019 | Feb 8, 2019 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Jan 1, 2019 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2018 | Feb 28, 2018 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2018 | Feb 8, 2018 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2018 | Jan 1, 2018 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Feb 28, 2017 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 9, 2017 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2016 | Mar 1, 2016 | 001-14756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2016 | Feb 11, 2016 | 001-14756 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2015 | Apr 24, 2015 | 001-14756 |