| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2022 | Mar 25, 2022 | 001-09712 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Mar 1, 2022 | 001-09712 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2021 | Mar 23, 2021 | 001-09712 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Mar 1, 2021 | 001-09712 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2020 | Mar 23, 2020 | 001-09712 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2020 | Mar 2, 2020 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2019 | Mar 20, 2019 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Mar 1, 2019 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2018 | Mar 26, 2018 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2017 | May 1, 2017 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Mar 1, 2017 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2016 | May 2, 2016 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2016 | Mar 1, 2016 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2015 | Mar 23, 2015 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Mar 2, 2015 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2014 | Apr 1, 2014 | 001-09712 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2014 | Mar 3, 2014 | 001-09712 |