| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Sep 2021 | 15 Sep 2021 | 001-40811 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Aug 2017 | 07 Aug 2017 | 001-35886 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Aug 2016 | 07 Aug 2016 | 001-35886 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Aug 2015 | 07 Aug 2015 | 001-35886 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Aug 2015 | 07 Aug 2015 | 001-35886 |