| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2022 | 01 Jun 2022 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 01 Jun 2021 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Nov 2020 | 04 Nov 2020 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Sep 2020 | 03 Sep 2020 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Aug 2020 | 12 Aug 2020 | 001-36046 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 12 Jun 2020 | 01 Jun 2020 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Jun 2020 | 01 Jun 2020 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Dec 2019 | 03 Dec 2019 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Nov 2019 | 22 Nov 2019 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Sep 2019 | 03 Sep 2019 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Aug 2019 | 09 Aug 2019 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2018 | 02 Oct 2018 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Aug 2018 | 09 Aug 2018 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jun 2018 | 13 Nov 2017 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2018 | 15 Nov 2017 | 001-37725 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Nov 2017 | 13 Nov 2017 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jun 2017 | 01 Jun 2017 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Jun 2017 | 30 May 2017 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 May 2017 | 22 May 2017 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jan 2017 | 18 Jan 2017 | 001-37725 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Jan 2017 | 29 Dec 2016 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2016 | 13 Sep 2016 | 001-37725 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2016 | 22 Aug 2016 | 001-37725 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 Aug 2016 | 17 Aug 2016 | 001-36046 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 31 May 2016 | 28 Dec 2015 | 001-36046 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Mar 2016 | 30 Mar 2016 | 001-37725 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 Dec 2015 | 28 Dec 2015 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Nov 2015 | 12 Nov 2015 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Nov 2015 | 06 Nov 2015 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2015 | 08 Sep 2015 | 001-36046 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 12 Mar 2015 | 30 Sep 2014 | 001-36046 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | 12 Mar 2015 | 30 Sep 2011 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2015 | 02 Jan 2015 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2014 | 30 Sep 2014 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Aug 2014 | 12 Aug 2014 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Aug 2014 | 08 Aug 2014 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2014 | 06 May 2014 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2014 | 02 Jan 2014 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2013 | 19 Nov 2013 | 001-36046 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Apr 2013 | 01 Jan 2013 | 000-16159 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2013 | 10 May 2011 | 000-16159 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | 28 Feb 2013 | 28 Feb 2013 | 000-16159 |