| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2021 | Dec 2, 2021 | 001-16625 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2021 | Sep 2, 2021 | 001-16625 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2021 | Jun 2, 2021 | 001-16625 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2021 | Mar 31, 2021 | 001-16625 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2021 | Mar 15, 2021 | 001-16625 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2021 | Mar 2, 2021 | 001-16625 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2020 | Dec 2, 2020 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2020 | Sep 1, 2020 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2020 | Jun 1, 2020 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2020 | Mar 10, 2020 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2020 | Mar 2, 2020 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 26, 2020 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2019 | Dec 2, 2019 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2019 | Sep 3, 2019 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2019 | Jun 3, 2019 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2019 | May 22, 2019 | 001-16625 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2019 | Mar 12, 2019 | 001-16625 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2019 | Jan 14, 2019 | 001-16625 |