| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 4, 2025 | Sep 2, 2025 | 001-38538 | |
| 4 | Open Document | Open Filing | Sep 5, 2024 | Sep 3, 2024 | 001-38538 | |
| 4 | Open Document | Open Filing | Jun 6, 2024 | Jun 5, 2024 | 001-38538 | |
| 4 | Open Document | Open Filing | Aug 8, 2023 | Aug 4, 2023 | 001-38538 | |
| 4 | Open Document | Open Filing | Aug 4, 2023 | Aug 2, 2023 | 001-38538 | |
| 4 | Open Document | Open Filing | Dec 6, 2022 | Dec 2, 2022 | 001-38538 | |
| 4 | Open Document | Open Filing | Dec 8, 2021 | Oct 29, 2021 | 001-10986 | |
| 4 | Open Document | Open Filing | Jul 2, 2021 | Jun 30, 2021 | 001-10986 | |
| 4 | Open Document | Open Filing | Jun 15, 2021 | Jun 11, 2021 | 001-38538 | |
| 4 | Open Document | Open Filing | Jul 2, 2020 | Jun 30, 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | May 20, 2020 | May 14, 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 6, 2020 | Apr 2, 2020 | 001-38538 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 6, 2020 | Apr 2, 2020 | 001-38538 |
| 4 | Open Document | Open Filing | Mar 9, 2020 | Mar 9, 2020 | 001-10986 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 26, 2019 | Nov 22, 2019 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2019 | Apr 18, 2019 | 000-13839 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Apr 22, 2019 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13D | Feb 12, 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2018 | Dec 20, 2018 | 000-13839 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2018 | Nov 14, 2018 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2018 | Aug 1, 2018 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 17, 2018 | 000-13839 |
| 4 | Open Document | Open Filing | 4 | Feb 15, 2018 | Feb 13, 2018 | 001-10986 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2018 | Dec 21, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 26, 2017 | Dec 21, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | 4 | Aug 18, 2017 | Aug 16, 2017 | 001-10986 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Apr 4, 2017 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 14, 2017 | Mar 10, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2017 | Jan 9, 2017 | 000-13839 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 8, 2016 | Feb 4, 2016 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2015 | Dec 17, 2015 | 000-13839 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 22, 2015 | Sep 22, 2015 | 001-10986 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2015 | Feb 11, 2015 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2014 | Dec 18, 2014 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2014 | Sep 2, 2014 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2014 | Aug 18, 2014 | 000-13839 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2014 | Aug 8, 2014 | 000-13839 |