| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2021 | 15 Nov 2021 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2020 | 15 Nov 2020 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2019 | 02 Dec 2019 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2019 | 15 Nov 2019 | 000-22513 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2019 | 12 Sep 2019 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2018 | 15 Nov 2018 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Sep 2018 | 31 Aug 2018 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2018 | 01 Aug 2018 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jul 2018 | 29 Jun 2018 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2018 | 15 May 2018 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Apr 2018 | 30 Mar 2018 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jan 2018 | 31 Dec 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Dec 2017 | 19 Dec 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2017 | 15 Nov 2017 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2017 | 30 Sep 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Sep 2017 | 18 Sep 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Jul 2017 | 30 Jun 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Jun 2017 | 20 Jun 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 May 2017 | 12 May 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Apr 2017 | 31 Mar 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 Mar 2017 | 28 Mar 2017 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2017 | 01 Mar 2017 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 01 Jan 2017 | 001-34806 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Dec 2016 | 20 Dec 2016 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2016 | 15 Nov 2016 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Sep 2016 | 22 Sep 2016 | 001-07959 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Sep 2016 | 21 Sep 2016 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jul 2016 | 08 Jul 2016 | 001-35146 |
| 4 | Open Document | Open Filing | 28 Jun 2016 | 24 Jun 2016 | 001-07959 | |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Jun 2016 | 21 Jun 2016 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jun 2016 | 03 Jun 2016 | 001-34062 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2016 | 16 May 2016 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 May 2016 | 12 May 2016 | 001-34062 |
| 3 | Open Document | Open Filing | FORM 3 - | 12 May 2016 | 11 May 2016 | 001-34062 |
| 4 | Open Document | Open Filing | 28 Mar 2016 | 24 Mar 2016 | 001-07959 | |
| 4 | Open Document | Open Filing | 01 Mar 2016 | 26 Feb 2016 | 001-07959 | |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2016 | 16 Feb 2016 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 01 Jan 2016 | 001-34806 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2015 | 15 Nov 2015 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2015 | 17 Aug 2015 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2015 | 09 Jun 2015 | 001-35146 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2015 | 11 May 2015 | 001-35146 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2015 | 01 Apr 2015 | 001-34806 |
| 4 | Open Document | Open Filing | 03 Mar 2015 | 27 Feb 2015 | 001-07959 | |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2014 | 15 Nov 2014 | 000-22513 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2014 | 17 Jun 2014 | 001-35146 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2014 | 12 May 2014 | 001-35146 |
| 4 | Open Document | Open Filing | 12 May 2014 | 09 May 2014 | 001-07959 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2014 | 31 Mar 2014 | 001-34806 |
| 4 | Open Document | Open Filing | 04 Mar 2014 | 28 Feb 2014 | 001-07959 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2014 | 18 Feb 2014 | 001-35146 |