| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jan 9, 2024 | Jan 6, 2024 | 000-55049 | |
| 4 | Open Document | Open Filing | FORM 4 | Aug 29, 2022 | Jul 22, 2022 | 000-55049 |
| 4 | Open Document | Open Filing | Jan 31, 2022 | Jan 28, 2022 | 000-55049 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2021 | Dec 29, 2021 | 000-55049 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2021 | Nov 23, 2021 | 000-55049 |
| 4 | Open Document | Open Filing | Jun 17, 2021 | Mar 15, 2021 | 000-55049 | |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2021 | May 21, 2021 | 000-55049 |
| 4/A | Open Document | Open Filing | Feb 12, 2021 | Feb 10, 2021 | 000-55049 | |
| 4 | Open Document | Open Filing | Feb 11, 2021 | Feb 10, 2021 | 000-55049 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 15, 2019 | Jul 12, 2019 | 000-55049 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A - AMENDMENT NO. 2 | Jan 25, 2019 | ||
| 4 | Open Document | Open Filing | Jan 23, 2019 | Jan 22, 2019 | 000-55049 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 29, 2018 | Nov 27, 2018 | 000-55049 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Oct 23, 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | Oct 19, 2017 | Oct 15, 2017 | 000-55049 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Sep 26, 2017 | ||
| 3 | Open Document | Open Filing | FORM 3 | Sep 25, 2017 | Aug 21, 2017 | 000-55049 |