| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2022 | 28 Mar 2022 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2021 | 28 Dec 2021 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2021 | 28 Sep 2021 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2021 | 28 Jun 2021 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2021 | 20 May 2021 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2021 | 26 Mar 2021 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Dec 2020 | 28 Dec 2020 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Sep 2020 | 28 Sep 2020 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2020 | 26 Jun 2020 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2020 | 22 May 2020 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2020 | 27 Mar 2020 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 15 May 2019 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2018 | 29 May 2018 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 17 May 2018 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2017 | 01 Nov 2017 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2017 | 18 May 2017 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2016 | 19 May 2016 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Jul 2015 | 08 Jul 2015 | 001-35868 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2015 | 21 May 2015 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Jun 2014 | 19 Jun 2014 | 001-35868 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Jun 2014 | 12 Jun 2014 | 001-35868 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2014 | 22 May 2014 | 001-03034 |
| 4 | Open Document | Open Filing | 4 | 12 Dec 2013 | 10 Dec 2013 | 001-35868 |
| 4 | Open Document | Open Filing | 4 | 02 Jul 2013 | 28 Jun 2013 | 001-35868 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2013 | 23 May 2013 | 001-03034 |
| 4/A | Open Document | Open Filing | 4/A | 23 Apr 2013 | 17 Apr 2013 | 001-35868 |
| 4 | Open Document | Open Filing | 4 | 18 Apr 2013 | 17 Apr 2013 | 001-35868 |
| 3 | Open Document | Open Filing | 3 | 11 Apr 2013 | 11 Apr 2013 | 001-35868 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2013 | 01 Feb 2013 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2012 | 17 May 2012 | 001-03034 |