| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 23, 2023 | Jun 21, 2023 | 001-13251 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 23, 2022 | Jun 21, 2022 | 001-13251 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2021 | Jun 8, 2021 | 001-13251 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2020 | Jun 18, 2020 | 001-13251 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2020 | Jan 28, 2020 | 001-13251 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 24, 2019 | Jun 20, 2019 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2018 | Jun 21, 2018 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2017 | Jun 22, 2017 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2016 | Jun 23, 2016 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 30, 2015 | Oct 28, 2015 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2015 | Jun 26, 2015 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2014 | Jun 26, 2014 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2014 | Apr 30, 2014 | 001-13251 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2014 | Apr 30, 2014 | 001-13251 |