| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 4 TO SCHEDULE 13D | May 31, 2023 | ||
| 4 | Open Document | Open Filing | May 31, 2023 | Jan 13, 2020 | 001-31810 | |
| 4 | Open Document | Open Filing | Aug 26, 2021 | Mar 23, 2021 | 001-31810 | |
| 4 | Open Document | Open Filing | Jan 13, 2021 | Dec 24, 2020 | 001-31810 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 20, 2020 | Apr 15, 2020 | 001-31810 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 21, 2019 | Jul 9, 2019 | 001-31810 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2019 | May 15, 2019 | 001-38120 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2018 | Dec 12, 2018 | 001-31810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 30, 2018 | Jan 29, 2018 | 001-31810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2018 | Dec 29, 2017 | 001-31810 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 9, 2017 | Nov 1, 2017 | 001-31810 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 28, 2017 | Jun 28, 2017 | 001-38120 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 20, 2017 | Jun 19, 2017 | 001-38120 |