| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Apr 2022 | 12 Apr 2022 | 001-38770 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Aug 2021 | 25 Aug 2021 | 001-38770 |
| 4 | Open Document | Open Filing | 4 | 07 Jan 2021 | 31 Dec 2020 | 001-38770 |
| 4 | Open Document | Open Filing | 4 | 03 Sep 2020 | 01 Sep 2020 | 001-38770 |
| 4 | Open Document | Open Filing | 4 | 27 Feb 2020 | 31 Dec 2019 | 001-38770 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2019 | 06 Dec 2019 | 001-32720 |
| 3 | Open Document | Open Filing | 3 | 25 Feb 2019 | 14 Feb 2019 | 001-38770 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 07 Nov 2018 | 07 Nov 2018 | 000-51719 |