| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jan 31, 2024 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Nov 29, 2023 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jul 8, 2022 | ||
| 4 | Open Document | Open Filing | Apr 22, 2022 | Apr 21, 2022 | 001-37759 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 16 | Apr 22, 2022 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 15 | Feb 1, 2022 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 14 | Dec 1, 2021 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 13 | Feb 2, 2021 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 12 | Mar 24, 2020 | ||
| 4 | Open Document | Open Filing | Mar 23, 2020 | Mar 19, 2020 | 001-37759 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 11 | Feb 27, 2020 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jan 31, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 29, 2020 | Jan 27, 2020 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 31, 2019 | Dec 31, 2019 | 001-37759 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Dec 30, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 30, 2019 | Dec 23, 2019 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 30, 2019 | Sep 30, 2019 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2019 | Jun 30, 2019 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2019 | Jun 17, 2019 | 001-37759 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jun 19, 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Apr 17, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 16, 2019 | Apr 12, 2019 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2019 | Mar 31, 2019 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2019 | Feb 1, 2019 | 001-37759 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Feb 5, 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jan 3, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2019 | Jan 2, 2019 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 31, 2018 | Dec 31, 2018 | 001-37759 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 31, 2018 | Sep 30, 2018 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2018 | Dec 3, 2018 | 001-37759 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2018 | Nov 7, 2018 | 001-37759 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 4 TO SCHEDULE 13D | Nov 9, 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2018 | Sep 30, 2018 | 001-37759 |
| 4 | Open Document | Open Filing | Jul 20, 2018 | Jul 18, 2018 | 001-37759 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 | Jul 20, 2018 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 25, 2018 | Dec 31, 2017 | 001-37759 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 | Jun 25, 2018 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 1, 2017 | Oct 31, 2017 | 001-37759 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | Nov 1, 2017 | ||
| 3/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 25, 2017 | Sep 7, 2017 | 001-37759 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 18, 2017 | Sep 7, 2017 | 001-37759 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Sep 18, 2017 |