| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 2, 2023 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2022 | Jan 2, 2022 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2021 | Feb 1, 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 2, 2021 | 000-27754 |
| 3/A | Open Document | Open Filing | FORM 3/A | Jan 5, 2021 | Jul 1, 2020 | 000-27754 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 10, 2020 | Jul 1, 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 13, 2016 | Jul 30, 2015 | 001-35159 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 10, 2015 | Apr 1, 2015 | 001-35159 |