| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2024 | May 16, 2024 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2022 | Dec 9, 2022 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2021 | Dec 10, 2021 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2021 | Jan 15, 2021 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2020 | Dec 11, 2020 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 19, 2020 | Oct 15, 2020 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2020 | Jul 15, 2020 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2020 | Apr 15, 2020 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2020 | Jan 15, 2020 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2019 | Dec 13, 2019 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2019 | Oct 15, 2019 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2019 | Aug 21, 2019 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2019 | Jul 15, 2019 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2019 | Jun 29, 2019 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2019 | Apr 15, 2019 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2019 | Apr 1, 2019 | 001-03863 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2019 | Feb 10, 2019 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2019 | Jan 15, 2019 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2019 | Jan 1, 2019 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2018 | Dec 7, 2018 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2018 | Oct 15, 2018 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2018 | Oct 1, 2018 | 001-03863 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2018 | Aug 1, 2018 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2018 | Jul 16, 2018 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2018 | Jul 1, 2018 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2018 | Apr 16, 2018 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2018 | Apr 1, 2018 | 001-03863 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2018 | Feb 10, 2018 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2018 | Jan 16, 2018 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2018 | Jan 1, 2018 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2017 | Dec 8, 2017 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2017 | Oct 16, 2017 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2017 | Oct 1, 2017 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2017 | Jul 17, 2017 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2017 | Jul 1, 2017 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2017 | Apr 17, 2017 | 001-15149 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Apr 7, 2017 | Apr 1, 2017 | 001-03863 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2017 | Apr 1, 2017 | 001-03863 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 14, 2017 | Feb 10, 2017 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2017 | Jan 17, 2017 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2017 | Jan 1, 2017 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2016 | Dec 9, 2016 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2016 | Oct 17, 2016 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2016 | Oct 1, 2016 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2016 | Jul 15, 2016 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2016 | Apr 15, 2016 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2016 | Feb 10, 2016 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2016 | Jan 15, 2016 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2016 | Jan 1, 2016 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2015 | Dec 11, 2015 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2015 | Oct 15, 2015 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2015 | Oct 1, 2015 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2015 | Jul 15, 2015 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2015 | Jul 1, 2015 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2015 | Apr 15, 2015 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2015 | Apr 1, 2015 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2015 | Jan 15, 2015 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2015 | Jan 1, 2015 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2014 | Dec 12, 2014 | 001-15149 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2014 | Oct 15, 2014 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2014 | Oct 1, 2014 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2014 | Jul 15, 2014 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2014 | Jul 1, 2014 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2014 | Apr 15, 2014 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2014 | Apr 1, 2014 | 001-03863 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2014 | Jan 15, 2014 | 001-15149 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2014 | Jan 1, 2014 | 001-03863 |