| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 FOR 12-15-2021 | Dec 16, 2021 | Dec 15, 2021 | 001-39086 |
| 4 | Open Document | Open Filing | FORM 4 FOR 12-15-2020 | Dec 17, 2020 | Dec 15, 2020 | 001-39086 |
| 4 | Open Document | Open Filing | FORM 4 FOR 01-07-2020 | Jan 8, 2020 | Jan 7, 2020 | 001-39086 |
| 4 | Open Document | Open Filing | FORM 4 FOR 08-02-2019 | Aug 6, 2019 | Aug 2, 2019 | 000-12305 |
| 4 | Open Document | Open Filing | FORM 4 FOR 01-29-2019 | Feb 4, 2019 | Jan 29, 2019 | 000-12305 |
| 3 | Open Document | Open Filing | FORM 3 FOR 12-05-2018 | Dec 14, 2018 | Dec 5, 2018 | 000-12305 |