| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2020 | 18 Jun 2020 | 001-34177 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 23 May 2019 | 15 May 2019 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2019 | 15 May 2019 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2019 | 08 May 2019 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2018 | 14 May 2018 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2018 | 10 May 2018 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2017 | 17 May 2017 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Apr 2017 | 18 Apr 2017 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2016 | 19 May 2016 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Apr 2016 | 13 Apr 2016 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2015 | 16 Dec 2015 | 001-34177 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2015 | 13 Aug 2015 | 001-34177 |
| 4 | Open Document | Open Filing | MAY 2015 | 22 May 2015 | 20 May 2015 | 001-34177 |
| 4 | Open Document | Open Filing | 30 Dec 2014 | 21 Nov 2014 | 001-34177 | |
| 4 | Open Document | Open Filing | 20 May 2014 | 16 May 2014 | 001-34177 |