| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 28, 2021 | Jun 24, 2021 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 19, 2020 | Jun 19, 2020 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 25, 2019 | Jun 21, 2019 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 18, 2018 | Jun 15, 2018 | 001-33451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 11, 2018 | Jun 8, 2018 | 001-33451 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 11, 2018 | Jun 8, 2018 | 001-33451 |