| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | 13 Mar 2024 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2022 | 28 Oct 2022 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 05 Dec 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2016 | 29 Nov 2016 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2016 | 18 Nov 2016 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2016 | 31 Aug 2016 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2016 | 31 Jul 2016 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 24 Jun 2016 | |||
| SC 13D/A | Open Document | Open Filing | 24 Jun 2016 | |||
| SC 13D/A | Open Document | Open Filing | 16 Jun 2016 | |||
| SC 13D/A | Open Document | Open Filing | 16 Jun 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 30 Apr 2016 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 07 Mar 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2016 | 29 Feb 2016 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 08 Feb 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 28 Jan 2016 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2016 | 31 Dec 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2015 | 30 Nov 2015 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 19 Nov 2015 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2015 | 16 Nov 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2015 | 31 Oct 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2015 | 30 Sep 2015 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 10 Sep 2015 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2015 | 31 Aug 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2015 | 31 Jul 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 30 Jun 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2015 | 31 May 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2015 | 30 Apr 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2015 | 31 Mar 2015 | 000-33067 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2015 | 16 Mar 2015 | 000-33067 |
| SC 13D/A | Open Document | Open Filing | 23 Mar 2015 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2015 | 16 Mar 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2015 | 01 Mar 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2015 | 31 Jan 2015 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2015 | 31 Dec 2014 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2014 | 30 Nov 2014 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Oct 2014 | 31 Oct 2014 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2014 | 30 Sep 2014 | 000-33067 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2014 | 31 Aug 2014 | 000-33067 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2014 | 14 Aug 2014 | 000-33067 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2014 | 31 Aug 2014 | 000-33067 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Aug 2014 | 14 Aug 2014 | 000-33067 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 25 Aug 2014 | ||
| D/A | Open Document | Open Filing | 10 Jan 2014 | 021-189286 |