| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2024 | Dec 31, 2023 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2023 | Feb 28, 2023 | 001-10853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2022 | Feb 22, 2022 | 001-10853 |
| 4 | Open Document | Open Filing | Feb 25, 2021 | Feb 23, 2021 | 001-10853 | |
| 4 | Open Document | Open Filing | Feb 27, 2020 | Feb 25, 2020 | 001-10853 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 10, 2019 | Dec 6, 2019 | 001-10853 |
| 3 | Open Document | Open Filing | Dec 10, 2019 | Dec 6, 2019 | 001-10853 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2019 | Dec 6, 2019 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 24, 2019 | Apr 1, 2019 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2019 | Apr 23, 2019 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 16, 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2018 | Apr 24, 2018 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2017 | Apr 25, 2017 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2017 | Jan 31, 2017 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2016 | Dec 16, 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 13, 2016 | Oct 11, 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 7, 2016 | Jul 5, 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2016 | Apr 26, 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2016 | Apr 4, 2016 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 23, 2015 | Dec 21, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2015 | Sep 30, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2015 | Aug 18, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2015 | Aug 12, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 28, 2015 | Jul 27, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 29, 2015 | Jun 26, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2015 | Jun 10, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2015 | Jun 1, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2015 | May 27, 2015 | 001-08918 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2015 | Apr 28, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2015 | Apr 28, 2015 | 001-08918 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 23, 2014 | Apr 22, 2014 | 001-08918 |