| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2021 | 02 Jun 2021 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2021 | 12 Mar 2021 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2021 | 05 Mar 2021 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2021 | 24 Feb 2021 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2020 | 07 Dec 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2020 | 01 Dec 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2020 | 15 Sep 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2020 | 08 Sep 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2020 | 16 Jun 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2020 | 05 Jun 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2020 | 10 Mar 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2020 | 06 Mar 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2020 | 14 Feb 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2020 | 07 Jan 2020 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2019 | 06 Dec 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2019 | 02 Dec 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2019 | 11 Nov 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2019 | 30 Aug 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2019 | 06 Jun 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2019 | 31 May 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2019 | 01 May 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2019 | 13 Mar 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2019 | 01 Mar 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2019 | 19 Feb 2019 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2018 | 01 Oct 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2018 | 04 Sep 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2018 | 01 Aug 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2018 | 02 Jul 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2018 | 01 Jun 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2018 | 03 May 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2018 | 12 Apr 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2018 | 01 Mar 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2018 | 21 Feb 2018 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2017 | 08 Dec 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2017 | 02 Oct 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2017 | 01 Sep 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2017 | 01 Aug 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2017 | 05 Jul 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2017 | 01 Jun 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2017 | 03 May 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2017 | 01 May 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2017 | 03 Apr 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2017 | 01 Mar 2017 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Dec 2016 | 01 Dec 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2016 | 01 Nov 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2016 | 03 Oct 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2016 | 01 Sep 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2016 | 01 Aug 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2016 | 01 Jul 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2016 | 01 Jun 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2016 | 04 May 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2016 | 02 May 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2016 | 01 Apr 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2016 | 01 Mar 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2016 | 01 Feb 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2016 | 04 Jan 2016 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2015 | 01 Dec 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2015 | 02 Nov 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2015 | 01 Oct 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2015 | 01 Sep 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2015 | 03 Aug 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2015 | 01 Jul 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2015 | 01 Jun 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2015 | 01 May 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2015 | 01 Apr 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2015 | 02 Mar 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2015 | 10 Feb 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2015 | 02 Feb 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2015 | 02 Jan 2015 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2014 | 11 Dec 2014 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Dec 2014 | 01 Dec 2014 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2014 | 03 Nov 2014 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2014 | 01 Oct 2014 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2014 | 02 Sep 2014 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Aug 2014 | 29 Aug 2014 | 000-51829 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2014 | 01 Aug 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2014 | 01 Jul 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2014 | 02 Jun 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2014 | 01 May 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2014 | 01 Apr 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2014 | 03 Mar 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2014 | 03 Feb 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2014 | 02 Jan 2014 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2013 | 02 Dec 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2013 | 01 Nov 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2013 | 01 Oct 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Sep 2013 | 03 Sep 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2013 | 08 Aug 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2013 | 01 Aug 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2013 | 12 Jul 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2013 | 01 Jul 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2013 | 07 Jun 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2013 | 03 Jun 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2013 | 26 Apr 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2013 | 11 Apr 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2013 | 01 Feb 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jan 2013 | 15 Jan 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jan 2013 | 11 Jan 2013 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2012 | 06 Dec 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2012 | 29 Nov 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Oct 2012 | 11 Oct 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jul 2012 | 11 Jul 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Apr 2012 | 19 Apr 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2012 | 11 Apr 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2012 | 19 Mar 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2012 | 12 Mar 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2012 | 11 Jan 2012 | 001-31227 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2012 | 03 Jan 2012 | 001-31227 |