| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 5, 2022 | Jan 5, 2022 | 001-33999 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 22, 2021 | Nov 18, 2021 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Jul 30, 2021 | Jul 23, 2021 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Feb 9, 2021 | Feb 5, 2021 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Apr 1, 2020 | Mar 30, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Mar 18, 2020 | Mar 17, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Mar 16, 2020 | Mar 12, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Mar 10, 2020 | Mar 6, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Mar 2, 2020 | Feb 27, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Feb 26, 2020 | Feb 24, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Feb 21, 2020 | Feb 20, 2020 | 001-33999 |
| 4 | Open Document | Open Filing | 4 | Feb 4, 2020 | Jan 31, 2020 | 001-33999 |