| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2022 | May 12, 2022 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2021 | May 13, 2021 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2020 | Aug 28, 2020 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2020 | Aug 24, 2020 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2020 | Aug 20, 2020 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2020 | Aug 19, 2020 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2020 | Aug 10, 2020 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2020 | May 14, 2020 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2019 | May 13, 2019 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2018 | May 14, 2018 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 30, 2017 | Jun 28, 2017 | 001-09583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 17, 2017 | May 15, 2017 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 12, 2016 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2015 | Aug 7, 2015 | 001-09583 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2015 | May 14, 2015 | 001-09583 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2014 | May 15, 2014 | 001-09583 |