| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 13 Sep 2021 | 07 Apr 2021 | 001-38167 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Jan 2021 | 17 Jan 2021 | 001-38167 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Apr 2020 | 07 Apr 2020 | 001-38167 |
| 4 | Open Document | Open Filing | 4 | 09 Apr 2020 | 07 Apr 2020 | 001-38167 |
| 3 | Open Document | Open Filing | 3 | 27 Jul 2017 | 27 Jul 2017 | 001-38167 |