| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2022 | Mar 15, 2022 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2022 | Feb 23, 2022 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2021 | Dec 29, 2021 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2021 | Dec 7, 2021 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2021 | Dec 3, 2021 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2021 | Feb 26, 2021 | 001-05224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2021 | Mar 17, 2021 | 001-05224 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2021 | Feb 18, 2021 | 001-05224 |