| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 28, 2025 | Apr 24, 2025 | 001-37994 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 29, 2024 | Apr 25, 2024 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2023 | Oct 30, 2023 | 000-24531 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 30, 2023 | Jun 30, 2023 | 001-37994 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 5, 2023 | May 4, 2023 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2022 | Sep 14, 2022 | 000-24531 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 3, 2022 | Apr 29, 2022 | 001-37994 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 11, 2022 | Dec 31, 2021 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2021 | Sep 15, 2021 | 000-24531 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 3, 2021 | Apr 29, 2021 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 25, 2020 | Sep 24, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | 4 | May 4, 2020 | Apr 30, 2020 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2020 | Dec 26, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 23, 2019 | Sep 19, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | 4 | May 6, 2019 | May 2, 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | Mar 29, 2019 | Mar 27, 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | Mar 25, 2019 | Mar 21, 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | Mar 20, 2019 | Mar 18, 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | Mar 13, 2019 | Mar 11, 2019 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | Jan 4, 2019 | Jan 2, 2019 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 24, 2018 | Sep 20, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | 4 | Aug 7, 2018 | Aug 6, 2018 | 001-37994 |
| 4 | Open Document | Open Filing | 4 | May 7, 2018 | May 3, 2018 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 14, 2017 | Sep 13, 2017 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 20, 2017 | Jul 18, 2017 | 001-37994 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 20, 2017 | Jul 18, 2017 | 001-37994 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2016 | Sep 15, 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2016 | Aug 1, 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 11, 2015 | Sep 9, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2014 | Sep 11, 2014 | 000-24531 |