| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 10, 2024 | Jun 6, 2024 | 000-19882 | |
| 4 | Open Document | Open Filing | May 25, 2023 | May 25, 2023 | 000-19882 | |
| 4 | Open Document | Open Filing | May 17, 2023 | May 16, 2023 | 000-19882 | |
| 4 | Open Document | Open Filing | May 26, 2022 | May 26, 2022 | 000-19882 | |
| 4 | Open Document | Open Filing | May 27, 2021 | May 26, 2021 | 000-19882 | |
| 4 | Open Document | Open Filing | Mar 19, 2021 | Mar 17, 2021 | 000-19882 | |
| 4 | Open Document | Open Filing | Jun 2, 2020 | Jun 1, 2020 | 000-19882 | |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2019 | May 21, 2019 | 000-19882 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2018 | May 9, 2018 | 000-19882 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2017 | May 31, 2017 | 000-19882 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2016 | May 16, 2016 | 000-19882 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2016 | May 11, 2016 | 000-19882 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2015 | May 8, 2015 | 000-19882 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2014 | Apr 29, 2014 | 000-19882 |