| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2021 | 17 May 2021 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2021 | 18 May 2021 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2020 | 15 Sep 2020 | 001-33660 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2019 | 10 Dec 2019 | 001-33660 |
| 3 | Open Document | Open Filing | FORM 3 | 24 Apr 2019 | 16 Apr 2019 | 001-33660 |