| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 16, 2021 | Jun 14, 2021 | 001-39029 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 26, 2021 | Jan 25, 2021 | 001-39876 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 13, 2021 | Jan 13, 2021 | 001-39876 |
| 4 | Open Document | Open Filing | Mar 3, 2020 | Mar 2, 2020 | 000-23264 | |
| 4 | Open Document | Open Filing | Jan 21, 2020 | Jan 3, 2020 | 001-39029 | |
| 3 | Open Document | Open Filing | Nov 26, 2019 | Nov 26, 2019 | 001-39029 | |
| 4 | Open Document | Open Filing | Nov 13, 2019 | Nov 11, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Nov 5, 2019 | Nov 1, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Oct 31, 2019 | Oct 30, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Jul 30, 2019 | Jul 29, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Jul 24, 2019 | Jul 22, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Jul 16, 2019 | Jul 12, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Jul 12, 2019 | Mar 1, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | May 13, 2019 | May 10, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Jan 30, 2019 | Jan 28, 2019 | 000-23264 | |
| 4 | Open Document | Open Filing | Oct 30, 2018 | Oct 29, 2018 | 000-23264 | |
| 4 | Open Document | Open Filing | Oct 22, 2018 | Oct 18, 2018 | 000-23264 | |
| 4 | Open Document | Open Filing | Jul 31, 2018 | Jul 30, 2018 | 000-23264 | |
| 4 | Open Document | Open Filing | May 14, 2018 | May 10, 2018 | 000-23264 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 000-23264 |
| 4 | Open Document | Open Filing | Jan 30, 2018 | Jan 29, 2018 | 000-23264 | |
| 4 | Open Document | Open Filing | Nov 1, 2017 | Oct 30, 2017 | 000-23264 | |
| 4 | Open Document | Open Filing | Aug 2, 2017 | Jul 31, 2017 | 000-23264 | |
| 4 | Open Document | Open Filing | May 16, 2017 | May 12, 2017 | 000-23264 | |
| 4 | Open Document | Open Filing | Mar 2, 2017 | Mar 1, 2017 | 000-23264 | |
| 4 | Open Document | Open Filing | Jan 31, 2017 | Jan 30, 2017 | 000-23264 | |
| 4/A | Open Document | Open Filing | Nov 2, 2016 | Oct 28, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Nov 1, 2016 | Oct 28, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Oct 28, 2016 | Oct 26, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Oct 26, 2016 | Oct 24, 2016 | 000-23264 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Oct 14, 2016 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Oct 7, 2016 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 30, 2016 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 16, 2016 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Aug 18, 2016 | ||
| 4 | Open Document | Open Filing | Aug 2, 2016 | Aug 1, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | May 9, 2016 | May 6, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Mar 2, 2016 | Mar 1, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Feb 2, 2016 | Feb 1, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Jan 12, 2016 | Jan 11, 2016 | 000-23264 | |
| 4 | Open Document | Open Filing | Nov 9, 2015 | Nov 2, 2015 | 000-23264 | |
| 4 | Open Document | Open Filing | Oct 16, 2015 | Oct 15, 2015 | 000-23264 | |
| 4 | Open Document | Open Filing | Aug 5, 2015 | Aug 3, 2015 | 000-23264 | |
| 4 | Open Document | Open Filing | Jul 14, 2015 | Jul 10, 2015 | 000-23264 | |
| 4 | Open Document | Open Filing | May 12, 2015 | May 8, 2015 | 000-23264 | |
| 4 | Open Document | Open Filing | Mar 4, 2015 | Mar 2, 2015 | 000-23264 | |
| 4/A | Open Document | Open Filing | Feb 23, 2015 | Oct 3, 2013 | 000-23264 | |
| 4/A | Open Document | Open Filing | Feb 23, 2015 | Sep 16, 2013 | 000-23264 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Feb 23, 2015 | ||
| 4 | Open Document | Open Filing | Jan 8, 2015 | Jan 6, 2015 | 000-23264 | |
| 4 | Open Document | Open Filing | Jan 2, 2015 | Dec 30, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Dec 30, 2014 | Dec 29, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Dec 19, 2014 | Dec 17, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Dec 17, 2014 | Dec 15, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Mar 7, 2014 | Mar 5, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Mar 3, 2014 | Mar 1, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Feb 27, 2014 | Feb 25, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Feb 24, 2014 | Feb 21, 2014 | 000-23264 | |
| 4 | Open Document | Open Filing | Feb 21, 2014 | Feb 19, 2014 | 000-23264 |