| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2023 | Mar 14, 2022 | 001-37844 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2023 | Mar 14, 2022 | 001-37844 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2021 | Sep 9, 2021 | 001-37844 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2021 | Feb 11, 2021 | 001-37844 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 11, 2021 | Feb 11, 2021 | 001-37844 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 19, 2014 | Aug 15, 2014 | 001-33744 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 14, 2014 | May 12, 2014 | 001-33744 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2014 | Jan 2, 2014 | 001-33744 |