| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2022 | Feb 24, 2022 | 001-13245 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2021 | Nov 9, 2021 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2021 | May 27, 2021 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2021 | Mar 17, 2021 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2020 | Dec 17, 2020 | 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 30, 2018 | May 29, 2018 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2018 | May 17, 2018 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2017 | Dec 11, 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 | Aug 8, 2016 | Aug 4, 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 22, 2015 | May 20, 2015 | 001-13245 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2014 | May 28, 2014 | 001-13245 |