| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 1, 2022 | Jan 28, 2022 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 26, 2022 | Jan 24, 2022 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 23, 2021 | Aug 19, 2021 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2021 | Jan 29, 2021 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 26, 2021 | Jan 22, 2021 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 4, 2021 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2020 | Jan 31, 2020 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2020 | Jan 24, 2020 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 29, 2019 | Aug 29, 2019 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2019 | Apr 26, 2019 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2019 | Feb 1, 2019 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2019 | Jan 24, 2019 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 13, 2018 | Apr 10, 2018 | 001-07615 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 22, 2018 | 001-07615 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 8, 2017 | Dec 4, 2017 | 001-07615 |