| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Apr 2022 | 13 Apr 2022 | 001-37544 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2021 | 22 Apr 2021 | 001-37542 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Mar 2021 | 25 Mar 2021 | 001-37544 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Dec 2020 | 08 Dec 2020 | 001-37544 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2020 | 11 Jun 2020 | 001-37542 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2019 | 12 Jun 2019 | 001-37542 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 May 2019 | 22 May 2019 | 001-37544 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 16 May 2019 | 09 May 2019 | 001-37544 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Jan 2019 | 01 Jan 2019 | 001-37542 |