| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2022 | 06 Dec 2022 | 001-38231 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2021 | 13 May 2021 | 001-38231 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 03 Sep 2020 | 001-38231 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 May 2018 | 18 May 2018 | 001-38231 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Oct 2017 | 05 Oct 2017 | 001-38231 |