| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 14 Feb 2022 | 31 Dec 2021 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2021 | 16 Feb 2021 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 10 Feb 2021 | 31 Dec 2020 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2020 | 21 May 2020 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2020 | 02 Mar 2020 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 12 Feb 2020 | 31 Dec 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2019 | 02 Dec 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2019 | 03 Sep 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2019 | 03 Jun 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2019 | 16 May 2019 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2019 | 01 Mar 2019 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 12 Feb 2019 | 31 Dec 2018 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2018 | 03 Dec 2018 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2018 | 04 Sep 2018 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2018 | 01 Jun 2018 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2018 | 17 May 2018 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2018 | 01 Mar 2018 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 14 Feb 2018 | 31 Dec 2017 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Dec 2017 | 22 Dec 2017 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Dec 2017 | 01 Dec 2017 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2017 | 01 Sep 2017 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2017 | 01 Jun 2017 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2017 | 18 May 2017 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2017 | 01 Mar 2017 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 09 Feb 2017 | 31 Dec 2016 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Dec 2016 | 01 Dec 2016 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2016 | 01 Sep 2016 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2016 | 01 Jun 2016 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2016 | 19 May 2016 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2016 | 01 Mar 2016 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 16 Feb 2016 | 31 Dec 2015 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Dec 2015 | 01 Dec 2015 | 001-03950 |
| 4 | Open Document | Open Filing | 14 Oct 2015 | 12 Oct 2015 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Sep 2015 | 01 Sep 2015 | 001-03950 |
| 4 | Open Document | Open Filing | 02 Jul 2015 | 01 Jul 2015 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2015 | 01 Jun 2015 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2015 | 21 May 2015 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Mar 2015 | 20 Mar 2015 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 02 Mar 2015 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 13 Feb 2015 | 31 Dec 2014 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Dec 2014 | 01 Dec 2014 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Sep 2014 | 02 Sep 2014 | 001-03950 |
| 4 | Open Document | Open Filing | 03 Jul 2014 | 01 Jul 2014 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2014 | 02 Jun 2014 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2014 | 15 May 2014 | 001-03950 |
| 4 | Open Document | Open Filing | 21 Apr 2014 | 17 Apr 2014 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2014 | 03 Mar 2014 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 06 Feb 2014 | 31 Dec 2013 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2014 | 31 Dec 2013 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2013 | 02 Dec 2013 | 001-03950 |
| 4 | Open Document | Open Filing | 11 Oct 2013 | 08 Oct 2013 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2013 | 30 Sep 2013 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2013 | 03 Sep 2013 | 001-03950 |
| 4 | Open Document | Open Filing | 03 Jul 2013 | 01 Jul 2013 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2013 | 30 Jun 2013 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2013 | 03 Jun 2013 | 001-03950 |
| 4 | Open Document | Open Filing | 16 Apr 2013 | 15 Apr 2013 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2013 | 31 Mar 2013 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2013 | 18 Mar 2013 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2013 | 01 Mar 2013 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 12 Feb 2013 | 31 Dec 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2013 | 31 Dec 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Dec 2012 | 20 Dec 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2012 | 03 Dec 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2012 | 30 Sep 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2012 | 04 Sep 2012 | 001-03950 |
| 4 | Open Document | Open Filing | 03 Jul 2012 | 02 Jul 2012 | 000-02384 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2012 | 30 Jun 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2012 | 01 Jun 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2012 | 31 Mar 2012 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2012 | 01 Mar 2012 | 001-03950 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 10 Feb 2012 | 31 Dec 2011 | 001-03950 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2012 | 31 Dec 2011 | 001-03950 |