| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2022 | Feb 11, 2022 | 001-13163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2021 | Feb 8, 2021 | 001-13163 |
| 4 | Open Document | Open Filing | Oct 2, 2020 | Sep 30, 2020 | 001-06605 | |
| 4 | Open Document | Open Filing | Jul 1, 2020 | Jun 30, 2020 | 001-06605 | |
| 4 | Open Document | Open Filing | May 11, 2020 | May 7, 2020 | 001-06605 | |
| 4 | Open Document | Open Filing | Apr 3, 2020 | Mar 31, 2020 | 001-06605 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2020 | Feb 10, 2020 | 001-13163 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2019 | May 2, 2019 | 001-06605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2019 | Feb 11, 2019 | 001-13163 |
| 4 | Open Document | Open Filing | Jan 3, 2019 | Dec 31, 2018 | 001-06605 | |
| 4 | Open Document | Open Filing | Oct 2, 2018 | Sep 28, 2018 | 001-06605 | |
| 4 | Open Document | Open Filing | Jul 3, 2018 | Jun 29, 2018 | 001-06605 | |
| 4 | Open Document | Open Filing | May 7, 2018 | May 3, 2018 | 001-06605 | |
| 4 | Open Document | Open Filing | Apr 3, 2018 | Mar 30, 2018 | 001-06605 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2018 | Feb 12, 2018 | 001-13163 |
| 4 | Open Document | Open Filing | Jan 3, 2018 | Dec 29, 2017 | 001-06605 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2017 | Feb 10, 2017 | 001-13163 |
| 4 | Open Document | Open Filing | Oct 3, 2017 | Sep 29, 2017 | 001-06605 | |
| 4 | Open Document | Open Filing | Jul 5, 2017 | Jun 30, 2017 | 001-06605 | |
| 4 | Open Document | Open Filing | May 8, 2017 | May 4, 2017 | 001-06605 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 10, 2017 | 001-13163 |
| 4 | Open Document | Open Filing | Jan 4, 2017 | Jan 3, 2017 | 001-06605 | |
| 3 | Open Document | Open Filing | Jan 4, 2017 | Jan 1, 2017 | 001-06605 | |
| 4 | Open Document | Open Filing | May 5, 2016 | May 3, 2016 | 001-00225 | |
| 4 | Open Document | Open Filing | Feb 23, 2016 | Feb 20, 2016 | 001-00225 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2016 | Feb 5, 2016 | 001-13163 |
| 4 | Open Document | Open Filing | Jan 7, 2016 | Jan 5, 2016 | 001-00225 | |
| 4 | Open Document | Open Filing | Oct 5, 2015 | Oct 2, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | Jul 6, 2015 | Jul 1, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | May 5, 2015 | May 2, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | May 1, 2015 | Apr 29, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | Apr 6, 2015 | Apr 2, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | Mar 2, 2015 | Feb 27, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | Jan 7, 2015 | Jan 5, 2015 | 001-00225 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2014 | Dec 11, 2014 | 001-13163 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2014 | Nov 20, 2014 | 001-13163 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2014 | Nov 20, 2014 | 001-13163 |
| 4 | Open Document | Open Filing | Nov 4, 2014 | Oct 31, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | Oct 6, 2014 | Oct 2, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | Jul 7, 2014 | Jul 2, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | May 5, 2014 | Apr 30, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | Apr 4, 2014 | Apr 2, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | Feb 19, 2014 | Feb 17, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | Jan 29, 2014 | Jan 27, 2014 | 001-00225 | |
| 4 | Open Document | Open Filing | Jan 7, 2014 | Jan 3, 2014 | 001-00225 |