| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2022 | Mar 30, 2022 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 27, 2021 | Dec 22, 2021 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2021 | Mar 4, 2021 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2021 | Jan 4, 2021 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 31, 2020 | Jan 29, 2020 | 001-33038 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2020 | Jan 2, 2020 | 001-33038 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 24, 2019 | Jun 13, 2019 | 001-33038 |