| 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 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2021 | 12 Mar 2021 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2021 | 17 Feb 2021 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2021 | 12 Feb 2021 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Feb 2021 | 10 Feb 2021 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2021 | 05 Feb 2021 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2021 | 03 Feb 2021 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2021 | 29 Jan 2021 | 001-33653 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Nov 2020 | 04 Nov 2020 | 001-33653 |