| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 20, 2025 | Jun 18, 2025 | 001-37507 | 
| 3 | Open Document | Open Filing | Jun 12, 2025 | Jun 12, 2025 | 001-42699 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2024 | Jun 11, 2024 | 001-37507 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2023 | Jun 13, 2023 | 001-37507 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2023 | Jun 1, 2023 | 001-37507 | 
| 3/A | Open Document | Open Filing | FORM 3/A | Mar 1, 2023 | Mar 9, 2021 | 001-37507 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2022 | Jun 14, 2022 | 001-37507 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2021 | Jun 10, 2021 | 001-37507 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2021 | May 3, 2021 | 001-37507 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 11, 2021 | Mar 9, 2021 | 001-37507 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2016 | Jun 17, 2016 | 001-15795 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2016 | May 26, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2016 | May 23, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2016 | May 16, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2016 | May 10, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2016 | May 5, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2016 | Apr 29, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2016 | May 4, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 20, 2016 | Apr 18, 2016 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2015 | Dec 8, 2015 | 000-50502 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2015 | Aug 21, 2015 | 000-50502 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2015 | Jun 24, 2015 | 000-50502 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2015 | Jun 17, 2015 | 001-15795 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2015 | Oct 18, 2012 | 000-54070 | 
| 3 | Open Document | Open Filing | FORM 3 | Mar 2, 2015 | Oct 18, 2012 | 000-54070 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 30, 2014 | Jul 1, 2014 | 000-50502 | 
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2014 | Mar 19, 2014 | 000-54080 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2014 | Jul 1, 2014 | 001-15795 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2014 | Jun 4, 2014 | 001-15795 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2014 | Jan 2, 2014 | 000-54080 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2014 | Apr 1, 2014 | 001-15795 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2014 | Dec 24, 2013 | 000-54080 |