| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2022 | 08 Mar 2022 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2022 | 01 Mar 2022 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Dec 2021 | 01 Dec 2021 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Nov 2021 | 09 Nov 2021 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2021 | 05 Mar 2021 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2021 | 02 Mar 2021 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2021 | 26 Feb 2021 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Dec 2020 | 08 Dec 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Dec 2020 | 01 Dec 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2020 | 02 Oct 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2020 | 17 Mar 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2020 | 28 Feb 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Oct 2019 | 02 Oct 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2019 | 28 Feb 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2019 | 19 Mar 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2019 | 09 Mar 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2019 | 01 Mar 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Oct 2018 | 02 Oct 2018 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2018 | 08 Mar 2018 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2018 | 01 Mar 2018 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 02 Oct 2017 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2017 | 14 Mar 2017 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2017 | 09 Mar 2017 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2017 | 28 Feb 2017 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2016 | 15 Mar 2016 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2016 | 09 Mar 2016 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2015 | 26 May 2015 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2015 | 09 Mar 2015 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Dec 2014 | 12 Dec 2014 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2014 | 18 Mar 2014 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2014 | 10 Mar 2014 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2014 | 04 Mar 2014 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2014 | 02 Jan 2014 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2013 | 10 May 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2013 | 08 May 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Apr 2013 | 19 Apr 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2013 | 12 Apr 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Apr 2013 | 08 Apr 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Mar 2013 | 25 Mar 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2013 | 14 Mar 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2013 | 09 Mar 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Feb 2013 | 06 Feb 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Sep 2012 | 05 Sep 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2012 | 02 Jul 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2012 | 01 Jun 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2012 | 01 May 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2012 | 02 Apr 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2012 | 15 Mar 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2012 | 09 Mar 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2012 | 05 Mar 2012 | 000-16914 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 24 Feb 2012 | 24 Feb 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2012 | 24 Feb 2012 | 000-16914 |