| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2023 | Aug 4, 2023 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2023 | May 25, 2023 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2023 | May 15, 2023 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2022 | Aug 4, 2022 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2022 | May 25, 2022 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 6, 2021 | Aug 4, 2021 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2020 | Jul 28, 2020 | 000-08822 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 18, 2019 | Jul 9, 2019 | 000-08822 |
| 3 | Open Document | Open Filing | FORM 3 | May 6, 2019 | Apr 25, 2019 | 000-08822 |