| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Mar 3, 2022 | Mar 1, 2022 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 17, 2022 | Feb 15, 2022 | 001-12154 | |
| 4 | Open Document | Open Filing | Mar 30, 2021 | Mar 30, 2021 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 25, 2021 | Feb 23, 2021 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 24, 2021 | Feb 22, 2021 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 22, 2021 | Feb 18, 2021 | 001-12154 | |
| 4 | Open Document | Open Filing | Mar 3, 2020 | Feb 28, 2020 | 001-12154 | |
| 4/A | Open Document | Open Filing | Feb 26, 2020 | Feb 19, 2020 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 21, 2020 | Feb 19, 2020 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 18, 2020 | Feb 13, 2020 | 001-12154 | |
| 5/A | Open Document | Open Filing | Jan 30, 2020 | Dec 31, 2019 | 001-12154 | |
| 5 | Open Document | Open Filing | Jan 14, 2020 | Dec 31, 2019 | 001-12154 | |
| 4 | Open Document | Open Filing | Nov 15, 2019 | Nov 14, 2019 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 28, 2019 | Feb 26, 2019 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 21, 2019 | Feb 19, 2019 | 001-12154 | |
| 4 | Open Document | Open Filing | Feb 19, 2019 | Feb 14, 2019 | 001-12154 | |
| 3 | Open Document | Open Filing | Jan 8, 2019 | Jan 1, 2019 | 001-12154 |