| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2022 | 15 Feb 2022 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2021 | 16 Feb 2021 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2020 | 18 Feb 2020 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Apr 2019 | 16 Apr 2019 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2019 | 07 Mar 2019 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2019 | 19 Feb 2019 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2019 | 15 Feb 2019 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2018 | 20 Feb 2018 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2017 | 02 Mar 2017 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2017 | 28 Feb 2017 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2016 | 01 Mar 2016 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Feb 2016 | 12 Feb 2016 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2015 | 09 Mar 2015 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2015 | 18 Feb 2015 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2014 | 05 Mar 2014 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2014 | 21 Feb 2014 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2013 | 20 Feb 2013 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2013 | 02 Jan 2013 | 001-34728 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2012 | 22 Feb 2012 | 001-34734 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2012 | 02 Jan 2012 | 001-34728 |