| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2022 | Mar 1, 2022 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2022 | Jan 3, 2022 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2021 | Aug 25, 2021 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2021 | May 26, 2021 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2021 | Feb 2, 2021 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 1, 2021 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2020 | Dec 4, 2020 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2020 | Nov 25, 2020 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2020 | Feb 4, 2020 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2020 | Jan 1, 2020 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2019 | Feb 15, 2019 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2019 | Feb 5, 2019 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2018 | Feb 15, 2018 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2018 | Feb 6, 2018 | 001-09278 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 17, 2017 | Feb 15, 2017 | 001-09278 |
| 3 | Open Document | Open Filing | FORM 3 - | Feb 15, 2017 | Feb 15, 2017 | 001-09278 |