| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2022 | 01 Feb 2022 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2022 | 24 Jan 2022 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2021 | 16 Feb 2021 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2021 | 01 Feb 2021 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Feb 2020 | 11 Feb 2020 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2020 | 05 Feb 2020 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2019 | 12 Feb 2019 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2019 | 01 Feb 2019 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2019 | 24 Jan 2019 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2018 | 01 Feb 2018 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2018 | 24 Jan 2018 | 001-11277 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2017 | 24 Jan 2017 | 001-11277 |
| 3 | Open Document | Open Filing | FORM 3 | 27 May 2016 | 20 May 2016 | 001-11277 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2016 | 31 Dec 2015 | 000-50567 |
| 3 | Open Document | Open Filing | 10 Sep 2014 | 09 Sep 2014 | 000-50567 |