| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 26, 2022 | Jan 24, 2022 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2021 | Jan 29, 2021 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 26, 2021 | Jan 22, 2021 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2020 | Jan 31, 2020 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2020 | Jan 24, 2020 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2019 | Feb 1, 2019 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2019 | Jan 24, 2019 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 22, 2018 | 001-07615 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 2, 2018 | Jan 29, 2018 | 001-07615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2016 | Feb 18, 2016 | 001-13711 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2015 | Aug 18, 2015 | 001-13711 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2015 | Jul 9, 2015 | 001-13711 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2015 | Feb 19, 2015 | 001-13711 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2015 | Feb 18, 2015 | 001-13711 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 20, 2014 | Feb 18, 2014 | 001-13711 |