| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2024 | May 7, 2024 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2024 | Feb 26, 2024 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2023 | Feb 27, 2023 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 21, 2022 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2021 | Feb 22, 2021 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2020 | Feb 24, 2020 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2019 | Feb 5, 2019 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2018 | Dec 14, 2018 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2018 | Feb 9, 2018 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2017 | Jan 18, 2017 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2016 | Jan 20, 2016 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2015 | Dec 14, 2015 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2015 | May 13, 2015 | 001-08641 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2014 | Mar 4, 2014 | 001-08641 |