| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2022 | Dec 19, 2022 | 001-38131 |
| 4/A | Open Document | Open Filing | FORM 4/A | Dec 15, 2021 | Dec 16, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2021 | Dec 9, 2021 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2020 | Dec 16, 2020 | 001-38131 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 1, 2020 | May 27, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 29, 2020 | May 27, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2020 | May 14, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 21, 2020 | Mar 17, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 20, 2020 | Apr 16, 2020 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2019 | Dec 19, 2019 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2018 | Dec 10, 2018 | 001-38131 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2018 | Jan 23, 2018 | 001-38131 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 26, 2017 | Jun 26, 2017 | 001-38131 |