| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 21, 2022 | Apr 21, 2022 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2021 | Apr 29, 2021 | 001-00584 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 9, 2020 | Dec 9, 2020 | 001-39784 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2020 | Apr 30, 2020 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2019 | May 17, 2019 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2019 | May 9, 2019 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2019 | May 2, 2019 | 001-00584 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2018 | Aug 21, 2018 | 000-07459 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2018 | May 3, 2018 | 001-00584 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 12, 2018 | Jan 10, 2018 | 000-07459 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2017 | Sep 8, 2017 | 000-07459 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 15, 2017 | Sep 8, 2017 | 000-07459 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2017 | Apr 27, 2017 | 001-00584 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2017 | Feb 16, 2017 | 001-00584 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 28, 2016 | Oct 20, 2016 | 001-00584 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 30, 2015 | Oct 28, 2015 | 001-12515 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 21, 2015 | Jul 20, 2015 | 001-12515 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 18, 2015 | Jun 1, 2015 | 001-12515 |