| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 28, 2023 | Aug 25, 2023 | 001-33551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2023 | May 14, 2023 | 001-33551 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Nov 16, 2022 | May 14, 2021 | 001-33551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2022 | May 14, 2022 | 001-33551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2021 | May 14, 2021 | 001-33551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2020 | May 14, 2020 | 001-33551 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 20, 2019 | May 14, 2019 | 001-33551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2019 | May 14, 2019 | 001-33551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2018 | May 14, 2018 | 001-33551 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 16, 2018 | May 14, 2018 | 001-33551 |