| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2021 | 09 Jun 2021 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2021 | 03 Jun 2021 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2021 | 18 Feb 2021 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Feb 2021 | 04 Feb 2021 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2020 | 25 Feb 2020 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2020 | 20 Feb 2020 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2020 | 05 Feb 2020 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2019 | 26 Feb 2019 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2019 | 21 Feb 2019 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2019 | 29 Jan 2019 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2018 | 03 Dec 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2018 | 19 Nov 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2018 | 08 Nov 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2018 | 20 Feb 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2018 | 15 Feb 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2018 | 29 Jan 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2017 | 22 Feb 2017 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2017 | 18 Feb 2017 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2017 | 16 Feb 2017 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2016 | 22 Jun 2016 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2016 | 18 Feb 2016 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2016 | 16 Feb 2016 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Oct 2015 | 23 Oct 2015 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Sep 2015 | 17 Sep 2015 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2015 | 20 Feb 2015 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2015 | 18 Feb 2015 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jun 2014 | 21 Jun 2014 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2014 | 25 Mar 2014 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2014 | 21 Feb 2014 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2014 | 19 Feb 2014 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2014 | 18 Feb 2014 | 000-09881 |