| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Mar 21, 2025 | Mar 20, 2025 | 001-16197 |
| 4 | Open Document | Open Filing | 4 | Mar 22, 2024 | Mar 20, 2024 | 001-16197 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2023 | Mar 20, 2023 | 001-16197 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2022 | Mar 20, 2022 | 001-16197 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2021 | Mar 20, 2021 | 001-16197 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 20, 2020 | 001-16197 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 19, 2020 | Mar 19, 2020 | 001-16197 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2019 | Mar 20, 2019 | 001-16197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2018 | Mar 20, 2018 | 001-16197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Mar 11, 2017 | 001-16197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2016 | Mar 11, 2016 | 001-16197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2016 | Nov 20, 2015 | 001-16197 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2015 | Mar 11, 2015 | 001-16197 |
| 3 | Open Document | Open Filing | Aug 29, 2014 | Aug 21, 2014 | 001-16197 |