| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Nov 21, 2024 | Nov 18, 2024 | 000-54697 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 31, 2023 | Oct 27, 2023 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 18, 2022 | Oct 14, 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2022 | Aug 15, 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 10, 2022 | Aug 8, 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2022 | Aug 2, 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2022 | Feb 10, 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2022 | Feb 2, 2022 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2021 | Nov 8, 2021 | 000-54697 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Nov 3, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | Oct 25, 2021 | Oct 21, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 18, 2021 | Oct 14, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2021 | Sep 30, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 8, 2021 | Sep 3, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 23, 2021 | Jul 21, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 13, 2021 | Jul 9, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2021 | Apr 7, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2021 | Feb 23, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 17, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 12, 2021 | Feb 10, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2021 | Feb 5, 2021 | 000-54697 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2020 | Dec 11, 2020 | 000-54697 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | Dec 11, 2020 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Jan 16, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2019 | Dec 27, 2019 | 000-54697 |
| SC 13D | Open Document | Open Filing | SC 13D | Dec 12, 2017 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 5, 2017 | Nov 15, 2017 | 000-54697 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 5, 2016 | Sep 30, 2016 | 000-54697 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 28, 2016 | Mar 24, 2016 | 000-54697 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 13, 2015 | Dec 31, 2014 | 000-54697 |