| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2025 | Nov 11, 2025 | 000-26331 |
| 4 | Open Document | Open Filing | Feb 2, 2023 | Feb 1, 2023 | 000-26331 | |
| 4 | Open Document | Open Filing | Oct 18, 2021 | Oct 14, 2021 | 000-26331 | |
| 4 | Open Document | Open Filing | Oct 15, 2020 | Oct 13, 2020 | 000-26331 | |
| 4 | Open Document | Open Filing | Sep 8, 2020 | Sep 4, 2020 | 000-26331 | |
| 4/A | Open Document | Open Filing | Feb 4, 2020 | Jan 17, 2020 | 000-26331 | |
| 4 | Open Document | Open Filing | Jan 23, 2020 | Jan 17, 2020 | 000-26331 | |
| 4 | Open Document | Open Filing | Sep 17, 2019 | Sep 13, 2019 | 000-26331 | |
| 4 | Open Document | Open Filing | Sep 12, 2019 | Sep 12, 2019 | 000-26331 | |
| 4 | Open Document | Open Filing | Feb 15, 2019 | Feb 11, 2019 | 000-26331 | |
| 4/A | Open Document | Open Filing | Feb 15, 2019 | Nov 2, 2018 | 000-26331 | |
| 4 | Open Document | Open Filing | Nov 5, 2018 | Nov 2, 2018 | 000-26331 | |
| 4 | Open Document | Open Filing | Jun 6, 2017 | May 31, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | May 19, 2017 | May 18, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | May 11, 2017 | May 8, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | May 5, 2017 | May 3, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 28, 2017 | Apr 25, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 20, 2017 | Apr 19, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 19, 2017 | Apr 19, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 19, 2017 | Apr 18, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 19, 2017 | Apr 17, 2017 | 000-26331 | |
| 4/A | Open Document | Open Filing | Jan 30, 2017 | Oct 19, 2016 | 000-26331 | |
| 4 | Open Document | Open Filing | Jan 30, 2017 | Sep 2, 2016 | 000-26331 | |
| 4 | Open Document | Open Filing | Jan 23, 2017 | Jan 20, 2017 | 000-26331 | |
| 4 | Open Document | Open Filing | Oct 21, 2016 | Oct 19, 2016 | 000-26331 | |
| 4 | Open Document | Open Filing | Sep 2, 2016 | Aug 30, 2016 | 000-26331 | |
| 4 | Open Document | Open Filing | Jul 21, 2016 | Jul 1, 2016 | 000-26331 | |
| 4 | Open Document | Open Filing | Dec 2, 2015 | Nov 18, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 22, 2015 | Apr 16, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Apr 6, 2015 | Apr 2, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Feb 13, 2015 | Feb 13, 2015 | 000-26331 | |
| 4/A | Open Document | Open Filing | Feb 6, 2015 | Feb 6, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Feb 5, 2015 | Feb 5, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Feb 4, 2015 | Feb 4, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Jan 23, 2015 | Jan 23, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Jan 12, 2015 | Jan 12, 2015 | 000-26331 | |
| 4 | Open Document | Open Filing | Dec 24, 2014 | Dec 24, 2014 | 000-26331 | |
| 4 | Open Document | Open Filing | Dec 22, 2014 | Dec 22, 2014 | 000-26331 | |
| 4 | Open Document | Open Filing | Nov 20, 2014 | Nov 20, 2014 | 000-26331 | |
| 4 | Open Document | Open Filing | May 15, 2014 | May 14, 2014 | 000-26331 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | May 8, 2014 | ||
| 4 | Open Document | Open Filing | May 6, 2014 | Sep 10, 2013 | 000-26331 |