| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 18 Jan 2022 | 18 Jan 2022 | 001-39868 | |
| 4 | Open Document | Open Filing | 10 Jan 2022 | 06 Jan 2022 | 001-39868 | |
| 4 | Open Document | Open Filing | 14 Jan 2021 | 12 Jan 2021 | 001-39868 | |
| 3 | Open Document | Open Filing | 14 Jan 2021 | 12 Jan 2021 | 001-39868 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | 23 Sep 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2014 | 15 Sep 2014 | 001-34887 |