| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2021 | 08 Nov 2021 | 001-37725 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Jun 2021 | 08 Jun 2021 | 001-37725 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Dec 2019 | 06 Dec 2019 | 001-37725 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Aug 2018 | 21 May 2018 | 001-37725 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Mar 2018 | 05 Mar 2018 | 001-37725 |