| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jul 19, 2023 | Jul 17, 2023 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2023 | Jun 20, 2023 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2023 | Jun 14, 2023 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2022 | Jun 15, 2022 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2022 | Jun 5, 2022 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2021 | Jun 5, 2021 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2021 | Jun 1, 2021 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2021 | May 19, 2021 | 001-15393 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 10, 2020 | May 20, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2020 | Jun 5, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2020 | May 20, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2020 | May 19, 2020 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2019 | Jun 5, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2019 | May 21, 2019 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2018 | Jun 5, 2018 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2018 | May 15, 2018 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2017 | May 16, 2017 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2016 | May 17, 2016 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2015 | Jul 1, 2015 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2015 | May 19, 2015 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 27, 2014 | Jun 3, 2014 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 - | May 22, 2014 | May 21, 2014 | 001-15393 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 8, 2014 | Dec 31, 2013 | 001-15393 |