| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 May 2021 | 17 May 2021 | 001-35328 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2020 | 30 Jun 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2020 | 22 Apr 2020 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2019 | 24 Apr 2019 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2018 | 25 Apr 2018 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2017 | 26 Apr 2017 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2017 | 26 Apr 2017 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2016 | 20 Apr 2016 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2015 | 22 Apr 2015 | 001-35328 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2014 | 23 Apr 2014 | 001-35328 |