| 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/A | Open Document | Open Filing | FORM 4/A | Dec 15, 2020 | Dec 11, 2020 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2020 | Dec 11, 2020 | 001-34527 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2019 | Dec 6, 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2019 | Aug 19, 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2019 | May 7, 2019 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2018 | Dec 7, 2018 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2017 | Dec 8, 2017 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2016 | Dec 12, 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2016 | Dec 7, 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2016 | Dec 7, 2016 | 000-03755 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2016 | Nov 4, 2016 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2015 | Dec 11, 2015 | 001-34527 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2015 | Jun 10, 2015 | 001-34527 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 8, 2015 | Jan 1, 2015 | 001-34527 |