| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2022 | 08 Aug 2022 | 001-36081 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Sep 2015 | 22 Sep 2015 | 001-36081 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2015 | 12 Jan 2015 | 001-36081 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2015 | 09 Jan 2015 | 001-36081 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2014 | 05 Sep 2014 | 001-36081 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2014 | 18 Feb 2014 | 001-36081 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Oct 2013 | 22 Oct 2013 | 001-36081 |
| 4/A | Open Document | Open Filing | FORM 4/A | 05 Mar 2013 | 04 Mar 2013 | 000-52318 |
| 4/A | Open Document | Open Filing | FORM 4/A | 05 Mar 2013 | 28 Feb 2013 | 000-52318 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2013 | 04 Mar 2013 | 000-52318 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2013 | 28 Feb 2013 | 000-52318 |