| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Nov 8, 2024 | Nov 7, 2024 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2022 | May 2, 2022 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2022 | Apr 21, 2022 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2021 | May 3, 2021 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2021 | Apr 22, 2021 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2020 | May 1, 2020 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2020 | Apr 23, 2020 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2019 | May 1, 2019 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2019 | Apr 25, 2019 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2018 | May 1, 2018 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2018 | Apr 26, 2018 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2017 | Aug 8, 2017 | 001-32548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2017 | May 2, 2017 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2017 | Apr 27, 2017 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2016 | Jun 16, 2016 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2016 | May 28, 2016 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2016 | May 18, 2016 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 22, 2016 | Apr 21, 2016 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2015 | May 26, 2015 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2015 | May 20, 2015 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 27, 2015 | Apr 23, 2015 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2014 | May 29, 2014 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2014 | May 21, 2014 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 28, 2014 | Apr 24, 2014 | 000-15637 |