| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 27, 2022 | Feb 14, 2022 | 001-33961 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 1, 2022 | Jan 10, 2020 | 001-33961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 30, 2019 | Jul 1, 2019 | 001-33961 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 10, 2019 | Apr 30, 2019 | 001-33961 |