| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2023 | Feb 8, 2023 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2022 | Mar 3, 2022 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 1, 2022 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2021 | Mar 10, 2021 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2021 | Mar 3, 2021 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2020 | Dec 9, 2020 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2020 | Mar 3, 2020 | 001-37427 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2019 | Dec 9, 2019 | 001-37427 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 11, 2019 | Dec 4, 2019 | 001-37427 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2018 | Nov 13, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2018 | Mar 12, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2018 | Mar 8, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2018 | Mar 8, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2018 | Mar 7, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2018 | Mar 6, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2017 | Aug 31, 2017 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2017 | Mar 7, 2017 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2017 | Mar 1, 2017 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2017 | Mar 6, 2017 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2016 | Aug 31, 2016 | 001-06615 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2016 | Mar 6, 2016 | 001-06615 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2016 | Mar 7, 2016 | 001-06615 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2015 | Aug 31, 2015 | 001-06615 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2015 | Mar 6, 2015 | 001-06615 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 3, 2014 | Aug 31, 2014 | 001-06615 |
| 3 | Open Document | Open Filing | FORM 3 - | Sep 3, 2014 | Aug 31, 2014 | 001-06615 |