| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2021 | 28 May 2021 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2021 | 27 May 2021 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2021 | 14 May 2021 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2021 | 03 May 2021 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2021 | 11 Mar 2021 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2021 | 31 Jan 2021 | 000-07617 |
| 5 | Open Document | Open Filing | FORM 5 | 22 Jan 2021 | 31 Dec 2020 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2020 | 31 Jan 2020 | 000-07617 |
| 5 | Open Document | Open Filing | FORM 5 | 08 Jan 2020 | 31 Dec 2019 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2019 | 04 Jun 2019 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2019 | 15 Mar 2019 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2019 | 15 Feb 2019 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2019 | 06 Feb 2019 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2019 | 31 Jan 2019 | 000-07617 |
| 5 | Open Document | Open Filing | FORM 5 | 09 Jan 2019 | 31 Dec 2018 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Feb 2018 | 07 Feb 2018 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2018 | 06 Feb 2018 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2018 | 31 Jan 2018 | 000-07617 |
| 5 | Open Document | Open Filing | FORM 5 | 24 Jan 2018 | 31 Dec 2017 | 000-07617 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Mar 2017 | 15 Feb 2017 | 000-07617 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Mar 2017 | 06 Feb 2017 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2017 | 15 Feb 2017 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Feb 2017 | 09 Feb 2017 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Feb 2017 | 06 Feb 2017 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2017 | 31 Jan 2017 | 000-07617 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Jan 2017 | 31 Dec 2016 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2016 | 28 Nov 2016 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2016 | 15 Feb 2016 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Feb 2016 | 09 Feb 2016 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2016 | 06 Feb 2016 | 000-07617 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2016 | 31 Jan 2016 | 000-07617 |
| 5 | Open Document | Open Filing | FORM 5 | 08 Jan 2016 | 31 Dec 2015 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2015 | 15 Feb 2015 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2015 | 10 Feb 2015 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2015 | 06 Feb 2015 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2015 | 31 Jan 2015 | 000-07617 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2015 | 31 Dec 2014 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2014 | 30 Sep 2014 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2014 | 15 Feb 2014 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2014 | 07 Feb 2014 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2014 | 06 Feb 2014 | 000-07617 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2014 | 31 Jan 2014 | 000-07617 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2014 | 31 Dec 2013 | 000-07617 |