| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Apr 29, 2022 | Apr 27, 2022 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2021 | Apr 28, 2021 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2020 | Jun 30, 2020 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2020 | Apr 29, 2020 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2020 | Mar 31, 2020 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2020 | Dec 31, 2019 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2019 | Sep 30, 2019 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2019 | Jun 30, 2019 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2019 | Mar 31, 2019 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Dec 31, 2018 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2018 | Sep 30, 2018 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2018 | Jun 30, 2018 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2018 | Mar 31, 2018 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2018 | Dec 31, 2017 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2017 | Sep 30, 2017 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2017 | Jun 30, 2017 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2017 | Mar 31, 2017 | 001-05480 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 1, 2017 | 001-05480 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 1, 2017 | 001-05480 |