| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2022 | 04 Feb 2022 | 001-41130 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2021 | 07 Dec 2021 | 001-41130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Nov 2015 | 12 Nov 2015 | 001-35801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2015 | 28 May 2015 | 001-35801 |
| 4 | Open Document | Open Filing | FORM 4 - | 28 Jul 2014 | 24 Jul 2014 | 001-34357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2014 | 29 May 2014 | 001-35801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Jul 2013 | 18 Jul 2013 | 001-35801 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 14 Feb 2013 | 14 Feb 2013 | 001-35801 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jan 2012 | 03 Jan 2012 | 001-34357 |