| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 02 Oct 2023 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 24 Feb 2022 | ||
| SC 13D | Open Document | Open Filing | SC 13D | 26 May 2021 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 May 2021 | 12 May 2021 | 000-56044 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 04 Feb 2020 | ||
| 3 | Open Document | Open Filing | 3 | 28 Jun 2019 | 28 Jun 2019 | 000-56044 |
| D | Open Document | Open Filing | 12 Apr 2018 | 021-309945 | ||
| D | Open Document | Open Filing | 02 Oct 2015 | 021-248676 |