| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 29, 2022 | Jul 28, 2022 | 001-37548 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 26, 2022 | Jul 25, 2022 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2022 | Feb 17, 2022 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2022 | Feb 10, 2022 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2021 | Nov 2, 2021 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2021 | Oct 21, 2021 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2021 | Sep 1, 2021 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 10, 2021 | Aug 9, 2021 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 15, 2021 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 1, 2020 | Aug 31, 2020 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 21, 2020 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 14, 2020 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 21, 2019 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2019 | Feb 18, 2019 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2019 | Feb 14, 2019 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 28, 2018 | Nov 27, 2018 | 001-37548 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2018 | Mar 19, 2018 | 001-37548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Feb 16, 2017 | 001-37548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2016 | Mar 17, 2016 | 001-37548 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2016 | Mar 4, 2016 | 001-37548 |