| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 5, 2023 | Sep 5, 2023 | 001-37474 | |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2022 | May 24, 2022 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2021 | Jun 4, 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2020 | May 14, 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2019 | May 6, 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2018 | May 7, 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2018 | May 2, 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2018 | Apr 26, 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2017 | Jun 20, 2017 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2017 | May 15, 2017 | 001-37474 |
| 4 | Open Document | Open Filing | 4 | Jun 6, 2016 | Jun 2, 2016 | 001-37474 |
| 3 | Open Document | Open Filing | 3 | Jun 30, 2015 | Jun 30, 2015 | 001-37474 |