| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2021 | May 20, 2021 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2020 | May 20, 2020 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2020 | Mar 20, 2020 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2019 | Dec 20, 2019 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2019 | Oct 31, 2019 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 26, 2019 | Sep 26, 2019 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 24, 2019 | Sep 23, 2019 | 001-15829 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2019 | May 16, 2019 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2019 | Dec 28, 2018 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2018 | Nov 26, 2018 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2018 | Oct 1, 2018 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 25, 2018 | Sep 24, 2018 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 20, 2018 | Sep 19, 2018 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2018 | Jul 2, 2018 | 001-16445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2018 | May 17, 2018 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2018 | Apr 2, 2018 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2018 | Feb 1, 2018 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2018 | Jan 3, 2018 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2017 | Oct 2, 2017 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2017 | Sep 25, 2017 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 31, 2017 | Jul 31, 2017 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2017 | Jul 5, 2017 | 001-16445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2017 | May 18, 2017 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2017 | Apr 3, 2017 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2017 | Feb 2, 2017 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 3, 2017 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2016 | Oct 3, 2016 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2016 | Sep 26, 2016 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 9, 2016 | Aug 5, 2016 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2016 | Jul 5, 2016 | 001-16445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2016 | May 19, 2016 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2016 | Apr 4, 2016 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2016 | Feb 4, 2016 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2016 | Jan 5, 2016 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2015 | Oct 5, 2015 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 28, 2015 | Sep 28, 2015 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 22, 2015 | Sep 21, 2015 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2015 | Jul 6, 2015 | 001-16445 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2015 | May 21, 2015 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2015 | Apr 6, 2015 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2015 | Feb 5, 2015 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2015 | Jan 5, 2015 | 001-16445 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2014 | Sep 29, 2014 | 001-15829 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 23, 2014 | Sep 22, 2014 | 001-15829 |
| 4 | Open Document | Open Filing | May 19, 2014 | May 15, 2014 | 001-11778 | |
| 3 | Open Document | Open Filing | May 19, 2014 | May 15, 2014 | 001-11778 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2014 | Feb 6, 2014 | 001-16445 |