| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 20, 2021 | Aug 18, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2021 | May 21, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2021 | May 19, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2021 | Mar 2, 2021 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2020 | Aug 20, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2020 | May 21, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2020 | Mar 2, 2020 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 30, 2019 | May 28, 2019 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2019 | May 24, 2019 | 001-33891 |
| 4 | Open Document | Open Filing | FORM 4 | May 28, 2019 | May 24, 2019 | 001-33891 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 5, 2019 | Mar 28, 2019 | 001-33891 |