| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 21, 2024 | Feb 19, 2024 | 001-38005 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 15, 2024 | Apr 14, 2023 | 001-38005 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 23, 2023 | Feb 21, 2023 | 001-38005 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 28, 2022 | Feb 24, 2022 | 001-38005 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 21, 2021 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 1, 2021 | Feb 25, 2021 | 001-38005 |
| 4 | Open Document | Open Filing | 4 | Mar 3, 2020 | Feb 28, 2020 | 001-38005 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Dec 31, 2018 | ||
| 4 | Open Document | Open Filing | 4 | Dec 11, 2018 | Dec 7, 2018 | 001-38005 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Nov 29, 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Oct 4, 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Aug 3, 2018 | ||
| 4 | Open Document | Open Filing | 4 | Jan 30, 2018 | Jan 26, 2018 | 001-38005 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 1, 2017 | ||
| 4 | Open Document | Open Filing | 4 | May 16, 2017 | May 12, 2017 | 001-38005 |
| SC 13D | Open Document | Open Filing | SC 13D | Feb 17, 2017 | ||
| 4 | Open Document | Open Filing | 4 | Feb 9, 2017 | Feb 8, 2017 | 001-38005 |
| 3 | Open Document | Open Filing | 3 | Feb 2, 2017 | Feb 2, 2017 | 001-38005 |