| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2023 | Feb 27, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2023 | Feb 15, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Feb 28, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2022 | Feb 25, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 15, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 26, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2021 | Feb 25, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 15, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 28, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 27, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 24, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2020 | Feb 21, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2019 | Feb 27, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2019 | Feb 25, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2019 | Feb 22, 2019 | 000-20288 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 1, 2018 | Jun 1, 2018 | 000-20288 |