| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 2, 2022 | Aug 31, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Mar 2, 2022 | Mar 1, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Feb 7, 2022 | Feb 3, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Mar 1, 2021 | Feb 26, 2021 | 001-34761 | |
| 4 | Open Document | Open Filing | Feb 28, 2020 | Feb 26, 2020 | 001-34761 | |
| 4 | Open Document | Open Filing | Aug 8, 2019 | Aug 6, 2019 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 3, 2019 | May 31, 2019 | 001-34761 | |
| 4 | Open Document | Open Filing | Mar 5, 2019 | Mar 1, 2019 | 001-34761 | |
| 3 | Open Document | Open Filing | Jan 17, 2019 | Jan 16, 2019 | 001-34761 |