| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2022 | 17 Feb 2022 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2022 | 02 Feb 2022 | 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 | 12 Mar 2019 | 11 Mar 2019 | 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 | 19 Feb 2019 | 19 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 | 14 Nov 2018 | 13 Nov 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2018 | 14 Sep 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2018 | 09 Aug 2018 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Mar 2018 | 19 Mar 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 | 05 Jun 2017 | 02 Jun 2017 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2017 | 13 Apr 2017 | 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 | 19 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 | 11 May 2016 | 10 May 2016 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2016 | 31 Mar 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 | 20 Feb 2015 | 18 Feb 2015 | 000-09881 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2014 | 19 Feb 2014 | 000-09881 |