| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Aug 20, 2025 | Aug 20, 2025 | 001-09974 | |
| 4 | Open Document | Open Filing | Jan 17, 2025 | Jan 16, 2025 | 001-09974 | |
| 3 | Open Document | Open Filing | Dec 2, 2024 | Nov 22, 2024 | 001-09974 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 17, 2021 | Aug 13, 2021 | 000-12957 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 TO THE SCHEDULE 13D | Sep 17, 2020 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 26, 2020 | Aug 24, 2020 | 001-36435 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 6, 2020 | Aug 5, 2020 | 001-36435 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 6, 2020 | Aug 3, 2020 | 001-36435 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO THE SCHEDULE 13D | Aug 5, 2020 | ||
| SC 13D | Open Document | Open Filing | THE SCHEDULE 13D | Apr 16, 2020 | ||
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 31, 2020 | Mar 13, 2020 | 001-36435 |
| 4 | Open Document | Open Filing | Mar 27, 2020 | Mar 13, 2020 | 001-36435 | |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 3 TO THE SCHEDULE 13G | Mar 27, 2020 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 14, 2019 | Feb 11, 2019 | 001-36435 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 2 TO THE SCHEDULE 13G | Feb 14, 2019 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 9, 2019 | Apr 13, 2018 | 001-36435 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 9, 2019 | Apr 13, 2018 | 001-36435 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 13, 2018 | Apr 4, 2018 | 001-36435 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13G | Apr 13, 2018 | ||
| SC 13G | Open Document | Open Filing | THE SCHEDULE 13G | May 24, 2017 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 TO THE SCHEDULE 13D | Sep 19, 2014 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO THE SCHEDULE 13D | Aug 25, 2014 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Aug 22, 2014 |