| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2022 | Nov 1, 2022 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2022 | Aug 17, 2022 | 001-33503 |
| 4 | Open Document | Open Filing | SHAPIRO 2021 GRANT | Dec 16, 2021 | Dec 15, 2021 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 19, 2021 | Oct 15, 2021 | 001-36137 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 6, 2021 | Jun 24, 2021 | 001-36137 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 30, 2020 | Dec 29, 2020 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2019 | Dec 16, 2019 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2018 | Dec 21, 2018 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2017 | Dec 18, 2017 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2016 | Dec 15, 2016 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2016 | May 23, 2016 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2015 | Dec 17, 2015 | 001-33503 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2014 | Dec 12, 2014 | 001-33503 |