| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Apr 7, 2022 | Apr 5, 2022 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 16, 2022 | Mar 14, 2022 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 11, 2022 | Mar 9, 2022 | 001-06049 | |
| 4 | Open Document | Open Filing | May 21, 2021 | May 20, 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | Apr 8, 2021 | Apr 6, 2021 | 001-06049 | |
| 4/A | Open Document | Open Filing | Mar 22, 2021 | Mar 10, 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 17, 2021 | Mar 15, 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 12, 2021 | Mar 10, 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 10, 2021 | Mar 8, 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | Sep 23, 2020 | Sep 21, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Apr 9, 2020 | Apr 7, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 17, 2020 | Mar 13, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 13, 2020 | Mar 11, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 11, 2020 | Mar 9, 2020 | 001-06049 | |
| 3 | Open Document | Open Filing | Jan 23, 2020 | Jan 15, 2020 | 001-06049 |