| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2024 | Mar 15, 2024 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2023 | Mar 17, 2023 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2022 | Jun 13, 2022 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2021 | Mar 19, 2021 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2020 | Jun 15, 2020 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 25, 2020 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 7, 2019 | Oct 3, 2019 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 19, 2019 | Jun 19, 2019 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2019 | May 14, 2019 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2019 | Feb 19, 2019 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2018 | May 15, 2018 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2017 | May 30, 2017 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 8, 2016 | Sep 6, 2016 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2016 | Feb 2, 2016 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2015 | Mar 17, 2015 | 001-15911 |
| 4 | Open Document | Open Filing | FORM 4 JUNE 20, 2014 | Jun 24, 2014 | Jun 20, 2014 | 001-15911 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 11, 2014 | 001-15911 |