| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2023 | Jun 1, 2023 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 8, 2022 | Jul 6, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2022 | Jun 30, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 16, 2022 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2021 | Nov 29, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 19, 2021 | Nov 17, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 19, 2021 | Aug 18, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 14, 2021 | Jul 12, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2021 | Jun 30, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2021 | Jun 1, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | May 17, 2021 | 000-03279 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 21, 2020 | Oct 19, 2020 | 000-03279 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 20, 2020 | Oct 19, 2020 | 000-03279 |