| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2023 | Apr 26, 2023 | 001-05532-99 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2023 | Feb 14, 2023 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2023 | Feb 10, 2023 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2022 | Feb 11, 2022 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2021 | May 30, 2021 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2021 | Feb 17, 2021 | 001-05532-99 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2021 | Jan 1, 2021 | 001-05532-99 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2020 | May 5, 2020 | 001-04955 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Feb 10, 2017 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2017 | Jan 31, 2017 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2016 | Feb 11, 2016 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2016 | Feb 5, 2016 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2015 | Aug 6, 2015 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2015 | Feb 6, 2015 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 7, 2014 | Aug 6, 2014 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2014 | May 14, 2014 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2014 | Feb 5, 2014 | 001-08503 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2014 | Feb 5, 2014 | 001-08503 |