| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2023 | Jan 1, 2023 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2021 | Dec 10, 2021 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2020 | Dec 11, 2020 | 001-34527 |
| 4/A | Open Document | Open Filing | FORM 4/A | Dec 9, 2019 | Dec 6, 2019 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2019 | Dec 6, 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2018 | Dec 7, 2018 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2017 | Dec 8, 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2017 | Jun 19, 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2017 | Jun 2, 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2017 | May 22, 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2017 | May 17, 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2016 | Dec 7, 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 12, 2016 | Sep 8, 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2015 | Dec 11, 2015 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2014 | Dec 5, 2014 | 001-34527 |