| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 10, 2023 | Apr 6, 2023 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2023 | Mar 22, 2023 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2022 | Apr 6, 2022 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2022 | Apr 1, 2022 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Mar 30, 2022 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2022 | Mar 22, 2022 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2022 | Mar 11, 2022 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2021 | Apr 6, 2021 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2021 | Mar 31, 2021 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2021 | Mar 11, 2021 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2020 | Apr 6, 2020 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2020 | Apr 1, 2020 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2020 | Mar 11, 2020 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2020 | Mar 9, 2020 | 001-08897 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2019 | Apr 3, 2019 | 001-08897 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 25, 2019 | Mar 18, 2019 | 001-08897 |