| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 02 Mar 2022 | 28 Feb 2022 | 001-39332 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 18 Feb 2022 | 16 Feb 2022 | 001-39332 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Oct 2020 | 12 Oct 2020 | 001-39332 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2020 | 22 Jun 2020 | 001-39332 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2020 | 26 Feb 2020 | 000-31927 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 18 Nov 2015 | 16 Jun 2015 | 000-31927 |