| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 5, 2025 | Mar 3, 2025 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 30, 2024 | Dec 12, 2024 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 4, 2024 | Mar 1, 2024 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 15, 2023 | Dec 14, 2023 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 2, 2023 | Mar 1, 2023 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 16, 2022 | Dec 14, 2022 | 001-13777 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 3, 2022 | Mar 1, 2022 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 2, 2022 | Mar 1, 2022 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 16, 2021 | Dec 15, 2021 | 001-13777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 3, 2021 | Mar 1, 2021 | 001-13777 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2020 | Dec 15, 2020 | 001-13777 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 17, 2020 | Dec 14, 2020 | 001-13777 |
| 4 | Open Document | Open Filing | Sep 16, 2020 | Sep 14, 2020 | 001-37420 | |
| 4 | Open Document | Open Filing | May 15, 2020 | May 13, 2020 | 001-37420 | |
| 4 | Open Document | Open Filing | Mar 27, 2020 | Mar 2, 2020 | 001-37420 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 29, 2020 | Jan 27, 2020 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 9, 2019 | Jul 8, 2019 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2019 | May 24, 2019 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2019 | Mar 20, 2019 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2019 | Mar 8, 2019 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 15, 2018 | Aug 13, 2018 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2018 | May 2, 2018 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2018 | Mar 2, 2018 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2017 | Feb 27, 2017 | 001-37420 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2016 | Mar 18, 2016 | 001-37420 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 19, 2015 | Aug 17, 2015 | 001-37420 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2015 | Aug 4, 2015 | 001-12928 |
| 4 | Open Document | Open Filing | Jan 23, 2015 | Jan 21, 2015 | 001-12928 | |
| 4 | Open Document | Open Filing | Feb 13, 2014 | Feb 11, 2014 | 001-12928 | |
| 3 | Open Document | Open Filing | Feb 13, 2014 | Feb 11, 2014 | 001-12928 |