| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2024 | May 14, 2024 | 000-50307 |
| 144 | Open Document | Open Filing | May 14, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | May 30, 2023 | May 19, 2023 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2022 | May 27, 2022 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2022 | May 14, 2022 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | May 14, 2021 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2020 | May 15, 2020 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 17, 2019 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 30, 2018 | May 26, 2018 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2018 | May 18, 2018 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2017 | May 26, 2017 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2017 | May 20, 2017 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Mar 10, 2017 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2017 | Jan 22, 2017 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2016 | Nov 15, 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 24, 2016 | Oct 24, 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2016 | Aug 3, 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 29, 2016 | Jul 28, 2016 | 000-14864 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2016 | May 20, 2016 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2016 | May 2, 2016 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2016 | Apr 22, 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2016 | Jan 22, 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 26, 2015 | Oct 24, 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2015 | Aug 3, 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2015 | May 18, 2015 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2015 | May 1, 2015 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2015 | Apr 21, 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2015 | Apr 16, 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2015 | Jan 22, 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2014 | Oct 24, 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2014 | Aug 6, 2014 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2014 | Aug 3, 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2014 | May 22, 2014 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2014 | May 16, 2014 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2014 | Apr 21, 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2014 | Feb 13, 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2014 | Jan 21, 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2014 | Jan 16, 2014 | 000-14864 |