| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Nov 9, 2022 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2022 | Jan 2, 2022 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2021 | Dec 20, 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2021 | Nov 9, 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 2, 2021 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 8, 2020 | Dec 4, 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2020 | Nov 9, 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2019 | Nov 9, 2019 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2019 | May 1, 2019 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2018 | Nov 9, 2018 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2018 | May 1, 2018 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2018 | Jan 2, 2018 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2017 | May 1, 2017 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2017 | Jan 2, 2017 | 000-27754 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2016 | May 1, 2016 | 000-27754 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 3, 2016 | Feb 22, 2016 | 000-27754 |