| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2025 | Jun 26, 2024 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2024 | Jul 14, 2023 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2023 | Jul 13, 2022 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2022 | Jun 9, 2022 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2021 | Jun 10, 2021 | 001-13901 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2020 | Jun 12, 2020 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2018 | Aug 1, 2018 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 16, 2018 | 001-13901 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2018 | Sep 6, 2017 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2017 | Sep 6, 2017 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2017 | May 31, 2017 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2017 | May 17, 2017 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2016 | May 18, 2016 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2015 | Aug 5, 2015 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2015 | May 6, 2015 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2014 | Dec 16, 2014 | 001-13901 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2014 | May 16, 2014 | 001-13901 |