| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2022 | Feb 9, 2022 | 000-23189 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 4, 2022 | Feb 2, 2022 | 000-23189 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2021 | Feb 3, 2021 | 000-23189 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 31, 2019 | Jan 29, 2019 | 000-23189 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2018 | Jan 31, 2018 | 000-23189 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2017 | Feb 2, 2017 | 000-23189 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 23, 2015 | Sep 1, 2015 | 000-23189 |