| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP | Mar 7, 2024 | Mar 5, 2024 | 000-54090 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 12, 2020 | Aug 10, 2020 | 000-54090 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 26, 2017 | Apr 17, 2017 | 000-54090 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 19, 2017 | Apr 17, 2017 | 000-54090 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 29, 2016 | Sep 27, 2016 | 001-37406 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 2, 2016 | Aug 31, 2016 | 000-54090 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 28, 2015 | May 28, 2015 | 001-37406 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 28, 2014 | Jan 1, 2014 | 000-54090 |