| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2024 | Feb 20, 2024 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2024 | Feb 1, 2024 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2023 | Feb 22, 2023 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2023 | Feb 1, 2023 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2022 | Aug 1, 2022 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2022 | Feb 15, 2022 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2022 | Feb 1, 2022 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2021 | Aug 2, 2021 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 16, 2021 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2021 | Feb 1, 2021 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2020 | Aug 3, 2020 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Feb 11, 2020 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2019 | Aug 1, 2019 | 001-11277 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 31, 2019 | Jul 25, 2019 | 001-11277 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2018 | Oct 3, 2018 | 001-38481 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2018 | Oct 3, 2018 | 001-38481 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2018 | Apr 27, 2018 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2018 | Apr 27, 2018 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 12, 2018 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2018 | Feb 8, 2018 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2018 | Feb 5, 2018 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2018 | Jan 22, 2018 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2017 | Jun 8, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2017 | Jun 8, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2017 | Jun 8, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2017 | May 9, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2017 | May 8, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2017 | May 4, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2017 | Apr 27, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Feb 10, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2017 | Feb 2, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 25, 2017 | Jan 23, 2017 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 25, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 25, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 25, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2016 | May 24, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2016 | Feb 18, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2016 | Feb 12, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2016 | Feb 10, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2016 | Feb 5, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2016 | Jan 25, 2016 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2015 | May 6, 2015 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2015 | May 6, 2015 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2015 | Feb 18, 2015 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2015 | Feb 12, 2015 | 000-04887 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 11, 2015 | 000-04887 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 11, 2015 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 10, 2015 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2015 | Jan 26, 2015 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 31, 2014 | Nov 20, 2013 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2014 | Feb 18, 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2014 | Feb 12, 2014 | 000-04887 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2014 | Feb 10, 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 10, 2014 | 000-04887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2014 | Jan 17, 2014 | 000-04887 |