| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Feb 22, 2022 | Feb 18, 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 16, 2022 | Feb 15, 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 14, 2022 | Feb 10, 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 11, 2022 | Feb 9, 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 23, 2021 | Feb 19, 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 17, 2021 | Feb 12, 2021 | 001-11261 | |
| 4/A | Open Document | Open Filing | Feb 17, 2021 | Feb 12, 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 12, 2021 | Feb 10, 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | Nov 19, 2020 | Nov 17, 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 25, 2020 | Feb 21, 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 18, 2020 | Feb 13, 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 14, 2020 | Feb 12, 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | Feb 11, 2020 | Feb 10, 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | Dec 13, 2019 | Dec 11, 2019 | 001-11261 | |
| 3 | Open Document | Open Filing | Mar 11, 2019 | Mar 1, 2019 | 001-11261 |