| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2022 | May 25, 2022 | 001-13245 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2022 | Mar 31, 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 | PRIMARY DOCUMENT | May 20, 2019 | May 16, 2019 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2018 | May 17, 2018 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2018 | May 9, 2018 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2018 | Feb 22, 2018 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2017 | Dec 4, 2017 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2017 | May 18, 2017 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2017 | Feb 13, 2017 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2016 | Sep 29, 2016 | 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 2, 2016 | Apr 28, 2016 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 3, 2015 | Nov 24, 2015 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2015 | Aug 14, 2015 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2015 | May 20, 2015 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2014 | Jun 27, 2014 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2014 | Jun 13, 2014 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | May 29, 2014 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2014 | May 22, 2014 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2014 | May 9, 2014 | 001-13245 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2014 | Mar 1, 2014 | 001-35653 |