| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Feb 2023 | 01 Feb 2023 | 001-39868 | |
| 4 | Open Document | Open Filing | 30 Jan 2023 | 30 Jan 2023 | 001-39868 | |
| 3 | Open Document | Open Filing | 12 Jan 2021 | 12 Jan 2021 | 001-39868 | |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A AMENDMENT NO 4 | 08 Dec 2015 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Sep 2015 | 08 Sep 2015 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Dec 2014 | 03 Dec 2014 | 001-34887 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 14 Oct 2014 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Oct 2014 | 30 Sep 2014 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Sep 2014 | 16 Sep 2014 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Dec 2013 | 14 Jun 2013 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Dec 2012 | 31 Dec 2012 | 001-34887 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 03 Dec 2012 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Nov 2012 | 27 Nov 2012 | 001-34887 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Nov 2012 | 25 Oct 2012 | 001-34887 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Nov 2012 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Oct 2012 | 02 Oct 2012 | 001-34887 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 12 Oct 2012 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 02 Oct 2012 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Oct 2012 | 02 Oct 2012 | 000-51108 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jun 2012 | 13 Jun 2012 | 000-51108 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO SCHEDULE 13D | 26 Apr 2012 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Apr 2012 | 20 Apr 2012 | 000-51108 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 23 Feb 2012 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Feb 2012 | 24 Oct 2011 | 000-51108 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Feb 2012 | 31 May 2011 | 000-51108 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SC 13D | 19 Jan 2012 |