| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 30, 2022 | Dec 29, 2022 | 001-08266 | |
| 4 | Open Document | Open Filing | Feb 18, 2022 | Feb 16, 2022 | 001-08266 | |
| 4 | Open Document | Open Filing | Jan 26, 2022 | Jan 24, 2022 | 001-08266 | |
| 4 | Open Document | Open Filing | Jan 27, 2021 | Jan 25, 2021 | 001-08266 | |
| 4 | Open Document | Open Filing | Dec 14, 2020 | Dec 9, 2020 | 001-08266 | |
| 4 | Open Document | Open Filing | Sep 21, 2020 | Sep 17, 2020 | 001-08266 | |
| 4 | Open Document | Open Filing | Sep 20, 2019 | Sep 18, 2019 | 001-08266 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 16, 2019 | Apr 12, 2019 | 001-08266 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 16, 2019 | Apr 12, 2019 | 001-08266 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2014 | May 6, 2014 | 000-29185 |