| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2021 | 07 May 2021 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2021 | 30 Apr 2021 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Oct 2020 | 22 Oct 2020 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2020 | 14 Oct 2020 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2020 | 20 May 2020 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2020 | 22 Apr 2020 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Oct 2019 | 14 Oct 2019 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Oct 2019 | 10 Oct 2019 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2019 | 13 Sep 2019 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2019 | 22 May 2019 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2019 | 25 Apr 2019 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2018 | 10 Oct 2018 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2018 | 16 May 2018 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2018 | 23 Apr 2018 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2017 | 09 Oct 2017 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2017 | 25 May 2017 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2017 | 17 May 2017 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Apr 2017 | 13 Apr 2017 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Oct 2016 | 04 Oct 2016 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2016 | 18 May 2016 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2016 | 05 Apr 2016 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Oct 2015 | 06 Oct 2015 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2015 | 20 May 2015 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Apr 2015 | 03 Apr 2015 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Oct 2014 | 22 Oct 2014 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2014 | 20 May 2014 | 000-11917 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Apr 2014 | 01 Apr 2014 | 000-11917 |