| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 3 | Aug 8, 2025 | Aug 4, 2025 | 001-36366 | 
| 4 | Open Document | Open Filing | Sep 2, 2022 | Aug 31, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Dec 11, 2018 | Dec 7, 2018 | 001-34761 | |
| 4 | Open Document | Open Filing | Nov 13, 2017 | Nov 8, 2017 | 001-34761 | |
| 4 | Open Document | Open Filing | Nov 13, 2017 | Jun 22, 2017 | 001-34761 | |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 28, 2016 | Nov 28, 2016 | 001-34761 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 28, 2016 | Nov 28, 2016 | 001-34761 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 21, 2016 | Oct 19, 2016 | 001-34761 | 
| 4/A | Open Document | Open Filing | FORM 4 AMENDMENT | May 20, 2016 | Oct 1, 2015 | 001-34761 | 
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 20, 2015 | Apr 27, 2015 | 001-34761 | 
| 3/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 20, 2015 | Apr 27, 2014 | 001-34761 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 5, 2015 | Oct 1, 2015 | 001-34761 | 
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2015 | Apr 27, 2015 | 001-34761 | 
| 3 | Open Document | Open Filing | FORM 3 | May 4, 2015 | Apr 27, 2014 | 001-34761 |