| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 Jun 2021 | 18 Jun 2021 | 001-38154 | |
| 4 | Open Document | Open Filing | 25 Mar 2021 | 23 Mar 2021 | 001-38154 | |
| 4 | Open Document | Open Filing | 25 Nov 2020 | 23 Nov 2020 | 001-38154 | |
| 144 | Open Document | Open Filing | 25 Nov 2020 | |||
| 3 | Open Document | Open Filing | 18 Apr 2017 | 18 Apr 2017 | 000-52815 |