| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 27 Feb 2023 | 22 Feb 2023 | 000-50070 | |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Feb 2022 | 23 Feb 2022 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 Feb 2021 | 24 Feb 2021 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2020 | 26 Feb 2020 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2019 | 26 Feb 2019 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Mar 2018 | 26 Feb 2018 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Dec 2017 | 21 Dec 2017 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 Dec 2017 | 14 Dec 2017 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 Feb 2017 | 22 Feb 2017 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Nov 2016 | 15 Nov 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Sep 2016 | 09 Sep 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Apr 2016 | 31 Mar 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Mar 2016 | 14 Mar 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 Feb 2016 | 23 Feb 2016 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2015 | 12 Mar 2015 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 Feb 2015 | 24 Feb 2015 | 000-50070 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2014 | 11 Mar 2014 | 000-50070 |