| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | 16 Feb 2022 | 31 Dec 2021 | 000-31380 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2018 | 11 Jun 2018 | 000-31380 |
| 4/A | Open Document | Open Filing | FORM 4/A | 25 May 2017 | 23 May 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2017 | 23 May 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2017 | 08 Feb 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2017 | 03 Feb 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2017 | 25 Jan 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2017 | 17 Jan 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2017 | 10 Jan 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2016 | 29 Nov 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Oct 2016 | 31 Oct 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Oct 2016 | 25 Oct 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Oct 2016 | 24 Oct 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Oct 2016 | 17 Oct 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Sep 2016 | 16 Sep 2016 | 000-31380 |
| 4/A | Open Document | Open Filing | FORM 4/A | 21 Sep 2016 | 08 Sep 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2016 | 08 Sep 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2016 | 01 Aug 2016 | 000-31380 |
| 4/A | Open Document | Open Filing | FORM 4/A | 08 Jul 2016 | 06 Jul 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jul 2016 | 06 Jul 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jul 2016 | 07 Jul 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2016 | 11 May 2016 | 000-31380 |
| 4/A | Open Document | Open Filing | FORM 4/A | 09 May 2016 | 12 Nov 2015 | 000-31380 |
| 4/A | Open Document | Open Filing | FORM 4/A | 09 May 2016 | 01 Oct 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2016 | 01 Jan 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2016 | 29 Jan 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jan 2016 | 06 Jan 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2016 | 06 Jan 2016 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2015 | 12 Nov 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Oct 2015 | 01 Oct 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2015 | 17 Aug 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2015 | 01 Jul 2015 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2015 | 12 Feb 2015 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2014 | 14 Mar 2014 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2014 | 30 Dec 2013 | 000-31380 |