| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2025 | Jan 31, 2025 | 000-07617 | 
| 3 | Open Document | Open Filing | FORM 3 | Aug 8, 2024 | Aug 1, 2024 | 000-07617 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2022 | Apr 6, 2022 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2021 | Jun 23, 2021 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2020 | Jun 23, 2020 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 22, 2019 | Jul 22, 2019 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2019 | Jun 23, 2019 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 15, 2019 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2018 | Jun 23, 2018 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2018 | Feb 15, 2018 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2017 | Jun 23, 2017 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2016 | Sep 2, 2016 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2016 | Jun 23, 2016 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2015 | Jun 23, 2015 | 001-36441 | 
| 4/A | Open Document | Open Filing | FORM 4/A | Aug 18, 2014 | May 7, 2014 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2014 | May 7, 2014 | 001-36441 | 
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2014 | May 7, 2014 | 000-51557 | 
| 3 | Open Document | Open Filing | FORM 3 | May 6, 2014 | May 6, 2014 | 001-36441 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2014 | Feb 23, 2014 | 000-51557 | 
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2014 | Jan 25, 2014 | 000-51557 | 
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2014 | Jan 23, 2014 | 000-51557 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2014 | Jan 25, 2014 | 000-51557 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2014 | Jan 23, 2014 | 000-51557 |