| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2022 | May 3, 2022 | 001-34603 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2021 | May 4, 2021 | 001-34603 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2020 | May 5, 2020 | 001-34603 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2019 | Apr 30, 2019 | 001-34603 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2019 | Feb 8, 2019 | 001-34603 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 12, 2019 | Feb 5, 2019 | 001-34603 |