| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 30 Aug 2024 | 29 Aug 2024 | 000-55889 | |
| 144 | Open Document | Open Filing | 09 Jan 2024 | |||
| 4 | Open Document | Open Filing | 24 Sep 2021 | 17 Sep 2021 | 000-55889 | |
| 4 | Open Document | Open Filing | 17 Sep 2021 | 14 Sep 2021 | 000-55889 | |
| 4/A | Open Document | Open Filing | 14 Jun 2021 | 09 Jun 2021 | 000-55889 | |
| 4 | Open Document | Open Filing | 11 Jun 2021 | 09 Jun 2021 | 000-55889 | |
| 4 | Open Document | Open Filing | 23 Mar 2021 | 04 Mar 2021 | 000-55889 | |
| 4 | Open Document | Open Filing | 04 Mar 2021 | 02 Mar 2021 | 000-55889 | |
| 4 | Open Document | Open Filing | 01 Mar 2021 | 18 Feb 2021 | 000-55889 | |
| 4 | Open Document | Open Filing | 11 Jan 2021 | 22 Dec 2020 | 000-55889 | |
| SC 13D | Open Document | Open Filing | SC 13D | 27 Jun 2018 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2018 | 14 Jun 2018 | 000-55889 |