| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Nov 7, 2024 | Nov 6, 2024 | 000-50658 | 
| SC 13G | Open Document | Open Filing | SC 13G | Feb 14, 2024 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2023 | Sep 28, 2023 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2023 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 26, 2023 | Jan 25, 2023 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 30, 2022 | Dec 30, 2022 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2022 | Sep 29, 2022 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 11, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2022 | Dec 30, 2021 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2021 | Oct 1, 2021 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jan 29, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2021 | Dec 31, 2020 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 23, 2020 | Oct 22, 2020 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jan 15, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 27, 2019 | Sep 26, 2019 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2019 | May 22, 2019 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jan 17, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 28, 2018 | Sep 27, 2018 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 2, 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2017 | Aug 21, 2017 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2016 | May 12, 2016 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 22, 2015 | Dec 20, 2015 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 23, 2015 | Jun 20, 2015 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2015 | ||
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 13, 2015 | Dec 31, 2014 | 000-50658 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 22, 2014 | Dec 20, 2014 | 000-50658 | 
| 4 | Open Document | Open Filing | 4 | Jun 20, 2014 | Jun 20, 2014 | 000-50658 | 
| 4 | Open Document | Open Filing | 4 | May 13, 2014 | May 11, 2014 | 000-50658 | 
| 4 | Open Document | Open Filing | 4 | Apr 7, 2014 | Apr 3, 2014 | 000-50658 | 
| 4 | Open Document | Open Filing | 4 | Apr 2, 2014 | Mar 31, 2014 | 000-50658 | 
| 4 | Open Document | Open Filing | 4 | Feb 28, 2014 | Feb 26, 2014 | 000-50658 | 
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jan 24, 2014 |