| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 9, 2023 | ||
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 18, 2023 | Dec 16, 2022 | 001-34099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 20, 2022 | Dec 16, 2022 | 001-34099 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 16, 2021 | Dec 31, 2020 | 001-34099 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 18, 2020 | ||
| SC 13D | Open Document | Open Filing | SC 13D | Jul 21, 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 17, 2017 | Jul 13, 2017 | 001-34099 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jul 13, 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2015 | Jul 1, 2015 | 000-21755 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 17, 2015 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 17, 2015 | ||
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Dec 15, 2014 | 000-21755 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 12 TO SCHEDULE 13G | Feb 14, 2014 | ||
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 5 TO SCHEDULE 13G | Feb 14, 2014 |