| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Feb 2022 | 06 Jan 2022 | 001-37916 | |
| 4 | Open Document | Open Filing | 03 Jul 2018 | 29 Jun 2018 | 000-50296 | |
| 4 | Open Document | Open Filing | 04 Oct 2016 | 30 Sep 2016 | 000-50296 | |
| 4 | Open Document | Open Filing | 16 Jun 2016 | 16 Jun 2016 | 000-50296 | |
| 4 | Open Document | Open Filing | 02 Oct 2015 | 30 Sep 2015 | 000-50296 | |
| 4 | Open Document | Open Filing | 13 Aug 2015 | 11 Aug 2015 | 000-50296 | |
| 4 | Open Document | Open Filing | 02 Jul 2015 | 30 Jun 2015 | 000-50296 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2015 | 31 Mar 2015 | 000-50296 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jan 2015 | 22 Jan 2015 | 000-50296 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2014 | 30 Sep 2014 | 000-50296 |