| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Nov 2021 | 03 Nov 2021 | 001-41015 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Sep 2014 | 28 Aug 2014 | 001-36100 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 May 2014 | 19 May 2014 | 001-36100 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Dec 2013 | 02 Dec 2013 | 001-36100 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Jan 2012 | 30 Dec 2011 | 000-32037 |