| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Sep 2021 | 09 Sep 2021 | 001-39802 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Sep 2021 | 09 Sep 2021 | 001-39802 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2015 | 05 May 2015 | 001-36292 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2015 | 28 Jan 2015 | 001-36292 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2015 | 08 Jan 2015 | 001-36292 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Oct 2014 | 09 Oct 2014 | 001-36292 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2014 | 14 May 2014 | 001-36292 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2014 | 14 May 2014 | 001-36292 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2014 | 10 Feb 2014 | 001-36292 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Feb 2014 | 04 Feb 2014 | 001-36292 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jul 2013 | 15 Jul 2013 | 001-35119 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jul 2013 | 15 Jul 2013 | 001-35119 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2013 | 03 Jun 2013 | 000-54852 |
| 3 | Open Document | Open Filing | FORM 3 | 14 Jan 2013 | 14 Jan 2013 | 000-54852 |
| 4 | Open Document | Open Filing | 4 | 09 Aug 2012 | 07 Aug 2012 | 001-35119 |