| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 3, 2024 | May 3, 2024 | 001-13245 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2023 | May 25, 2023 | 001-13245 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2022 | May 25, 2022 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2021 | May 27, 2021 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2020 | May 21, 2020 | 001-13245 |
| 4 | Open Document | Open Filing | 4 | Jul 26, 2019 | Jun 14, 2019 | 001-38035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2019 | May 16, 2019 | 001-13245 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2019 | Feb 11, 2019 | 001-38035 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 13, 2019 | Feb 11, 2019 | 001-38035 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2018 | May 17, 2018 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2017 | May 18, 2017 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2016 | May 19, 2016 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2015 | May 20, 2015 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 14, 2014 | Jul 10, 2014 | 001-13245 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2014 | Jul 7, 2014 | 001-13245 |