| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2022 | 15 Apr 2022 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2022 | 30 Mar 2022 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2022 | 29 Mar 2022 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2022 | 25 Feb 2022 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Apr 2021 | 15 Apr 2021 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2021 | 29 Mar 2021 | 001-33582 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Oct 2020 | 29 Mar 2020 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Apr 2020 | 15 Apr 2020 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2020 | 29 Mar 2020 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2019 | 15 Apr 2019 | 001-33582 |
| 4/A | Open Document | Open Filing | FORM 4/A | 11 Apr 2019 | 29 Mar 2019 | 001-33582 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2019 | 29 Mar 2019 | 001-33582 |
| 3 | Open Document | Open Filing | FORM 3 | 08 Aug 2018 | 26 Jul 2018 | 001-33582 |