| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 13 Jun 2022 | 10 Jun 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Mar 2022 | 10 Mar 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | 22 Feb 2022 | 18 Feb 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Feb 2022 | 10 Feb 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | 11 Feb 2022 | 09 Feb 2022 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Dec 2021 | 10 Dec 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 Sep 2021 | 10 Sep 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Jun 2021 | 10 Jun 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 May 2021 | 12 May 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Mar 2021 | 10 Mar 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | 23 Feb 2021 | 19 Feb 2021 | 001-11261 | |
| 4 | Open Document | Open Filing | 17 Feb 2021 | 12 Feb 2021 | 001-11261 | |
| 4/A | Open Document | Open Filing | 17 Feb 2021 | 12 Feb 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Feb 2021 | 10 Feb 2021 | 001-11261 | |
| 4/A | Open Document | Open Filing | 08 Jan 2021 | 10 Feb 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Dec 2020 | 10 Dec 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Sep 2020 | 10 Sep 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Jun 2020 | 10 Jun 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Mar 2020 | 10 Mar 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 25 Feb 2020 | 21 Feb 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 18 Feb 2020 | 13 Feb 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Feb 2020 | 12 Feb 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 11 Feb 2020 | 10 Feb 2020 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Dec 2019 | 10 Dec 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Sep 2019 | 10 Sep 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Jun 2019 | 10 Jun 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 25 Apr 2019 | 24 Apr 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Mar 2019 | 08 Mar 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 26 Feb 2019 | 22 Feb 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 15 Feb 2019 | 13 Feb 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Feb 2019 | 08 Feb 2019 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Dec 2018 | 10 Dec 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Sep 2018 | 10 Sep 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Jun 2018 | 08 Jun 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 07 Jun 2018 | 05 Jun 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 Mar 2018 | 09 Mar 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 26 Feb 2018 | 23 Feb 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 16 Feb 2018 | 14 Feb 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Feb 2018 | 08 Feb 2018 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Dec 2017 | 08 Dec 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Sep 2017 | 08 Sep 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 Jun 2017 | 09 Jun 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Mar 2017 | 10 Mar 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 22 Feb 2017 | 17 Feb 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Feb 2017 | 10 Feb 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 10 Feb 2017 | 08 Feb 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 26 Jan 2017 | 25 Jan 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 05 Jan 2017 | 04 Jan 2017 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 Dec 2016 | 09 Dec 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 Sep 2016 | 09 Sep 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 28 Jul 2016 | 25 Jul 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Jun 2016 | 10 Jun 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 04 Apr 2016 | 31 Mar 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 15 Mar 2016 | 11 Mar 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Mar 2016 | 10 Mar 2016 | 001-11261 | |
| 4/A | Open Document | Open Filing | 14 Mar 2016 | 11 Feb 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 07 Mar 2016 | 03 Mar 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 23 Feb 2016 | 11 Feb 2016 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Feb 2016 | 10 Feb 2016 | 001-11261 | |
| 4/A | Open Document | Open Filing | 05 Jan 2016 | 11 Feb 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Dec 2015 | 10 Dec 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Sep 2015 | 10 Sep 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Jun 2015 | 10 Jun 2015 | 001-11261 | |
| 4/A | Open Document | Open Filing | 19 Mar 2015 | 11 Feb 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Mar 2015 | 10 Mar 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 24 Feb 2015 | 20 Feb 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 13 Feb 2015 | 11 Feb 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 15 Jan 2015 | 13 Jan 2015 | 001-11261 | |
| 4 | Open Document | Open Filing | 22 Dec 2014 | 19 Dec 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Dec 2014 | 10 Dec 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Sep 2014 | 10 Sep 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 03 Jul 2014 | 01 Jul 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Jun 2014 | 10 Jun 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 23 Apr 2014 | 22 Apr 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Mar 2014 | 10 Mar 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 18 Feb 2014 | 13 Feb 2014 | 001-11261 | |
| 4/A | Open Document | Open Filing | 18 Feb 2014 | 12 Feb 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 14 Feb 2014 | 12 Feb 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 05 Feb 2014 | 03 Feb 2014 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Dec 2013 | 10 Dec 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 28 Oct 2013 | 25 Oct 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Sep 2013 | 10 Sep 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 23 Jul 2013 | 22 Jul 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Jun 2013 | 10 Jun 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Mar 2013 | 08 Mar 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 26 Feb 2013 | 22 Feb 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 15 Feb 2013 | 13 Feb 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 06 Feb 2013 | 04 Feb 2013 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Dec 2012 | 10 Dec 2012 | 001-11261 | |
| 4 | Open Document | Open Filing | 12 Sep 2012 | 10 Sep 2012 | 000-00516 | |
| 4 | Open Document | Open Filing | 12 Jun 2012 | 08 Jun 2012 | 000-00516 | |
| 4 | Open Document | Open Filing | 13 Mar 2012 | 09 Mar 2012 | 000-00516 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2012 | 07 Feb 2012 | 000-00516 |
| 4/A | Open Document | Open Filing | 13 Mar 2012 | 06 Feb 2012 | 000-00516 | |
| 4/A | Open Document | Open Filing | 12 Mar 2012 | 07 Feb 2012 | 000-00516 | |
| 4 | Open Document | Open Filing | 10 Feb 2012 | 08 Feb 2012 | 000-00516 | |
| 4 | Open Document | Open Filing | 09 Feb 2012 | 07 Feb 2012 | 000-00516 | |
| 4 | Open Document | Open Filing | 07 Feb 2012 | 06 Feb 2012 | 000-00516 |