| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 5/14/25 ANNUAL GRANT | May 16, 2025 | May 14, 2025 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2024 | May 15, 2024 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2023 | May 10, 2023 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2022 | May 18, 2022 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2021 | Dec 16, 2021 | 001-36041 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 16, 2021 | Dec 16, 2021 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2021 | Dec 16, 2021 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 13, 2021 | Aug 13, 2021 | 000-55428 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 3, 2021 | Mar 6, 2020 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2020 | Dec 3, 2020 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 6, 2020 | 000-55772 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 6, 2020 | 000-55428 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 6, 2020 | Mar 6, 2020 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 8, 2019 | Nov 7, 2019 | 000-55772 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 10, 2018 | Aug 9, 2018 | 000-55772 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2017 | Aug 9, 2017 | 000-55772 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 21, 2017 | Apr 21, 2017 | 000-55772 |