| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Oct 16, 2024 | ||
| 4 | Open Document | Open Filing | Oct 15, 2024 | Oct 11, 2024 | 000-24249 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Nov 12, 2021 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | May 18, 2021 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jan 19, 2021 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Apr 23, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2020 | Jan 15, 2020 | 000-24249 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jan 17, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 18, 2019 | Oct 10, 2019 | 000-24249 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 15, 2019 | Oct 10, 2019 | 000-24249 |
| SC 13D | Open Document | Open Filing | SC 13D | Jul 25, 2019 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 25, 2019 | Jul 15, 2019 | 000-24249 |
| D | Open Document | Open Filing | Mar 15, 2018 | 021-307791 |