| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Oct 2021 | 22 Oct 2021 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | 001-36507 |
| 4 | Open Document | Open Filing | 4 | 22 Feb 2021 | 18 Feb 2021 | 001-36507 |
| 4 | Open Document | Open Filing | 4 | 26 Oct 2020 | 22 Oct 2020 | 001-36507 |
| 4 | Open Document | Open Filing | 4 | 06 Mar 2020 | 04 Mar 2020 | 001-36507 |
| 4 | Open Document | Open Filing | 4 | 20 Feb 2020 | 18 Feb 2020 | 001-36507 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2019 | 22 Oct 2019 | 001-36507 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2019 | 18 Feb 2019 | 001-36507 |
| 3 | Open Document | Open Filing | 3 | 29 Oct 2018 | 23 Oct 2018 | 001-36507 |