| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP | 14 Mar 2022 | 31 Dec 2021 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2018 | 22 Feb 2018 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2017 | 17 Aug 2017 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2016 | 09 Dec 2016 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Nov 2016 | 23 Nov 2016 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2016 | 25 Jul 2016 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2016 | 31 May 2016 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2016 | 21 Apr 2016 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2016 | 23 Mar 2016 | 001-08429 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 03 Feb 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 27 Feb 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 22 Jan 2016 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2015 | 29 Oct 2015 | 001-08429 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2015 | 19 Oct 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2015 | 19 Oct 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2015 | 17 Sep 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Sep 2015 | 14 Sep 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Aug 2015 | 28 Aug 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2015 | 11 Aug 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2015 | 05 Aug 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2015 | 14 May 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2015 | 27 Feb 2015 | 001-08429 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2015 | 24 Mar 2014 | 001-08429 |