| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Aug 2021 | 04 Aug 2021 | 001-38996 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2020 | 30 Jun 2020 | 001-38996 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Nov 2019 | 21 Nov 2019 | 001-38996 |
| 3 | Open Document | Open Filing | FORM 3 | 24 Jul 2019 | 24 Jul 2019 | 001-38996 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Jun 2018 | 31 May 2018 | 001-31978 |