| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 6, 2025 | May 5, 2025 | 001-08524 |
| 4 | Open Document | Open Filing | 4 | Dec 6, 2024 | Dec 5, 2024 | 001-08524 |
| 4 | Open Document | Open Filing | 4 | May 13, 2024 | May 9, 2024 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 28, 2023 | Apr 27, 2023 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2023 | Mar 8, 2023 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2022 | Apr 28, 2022 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2022 | Mar 16, 2022 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2021 | Apr 29, 2021 | 001-08524 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 21, 2021 | Jan 21, 2021 | 001-39922 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2020 | Nov 19, 2020 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2020 | Apr 29, 2020 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 26, 2019 | Apr 24, 2019 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 14, 2018 | Sep 12, 2018 | 001-08524 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 14, 2018 | Sep 12, 2018 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2018 | Mar 15, 2018 | 001-38054 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 8, 2018 | Feb 7, 2018 | 001-38054 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2018 | Jan 1, 2018 | 001-38054 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2017 | Nov 9, 2017 | 001-38054 |
| 4 | Open Document | Open Filing | May 12, 2017 | Apr 5, 2017 | 001-38054 | |
| 3 | Open Document | Open Filing | Apr 5, 2017 | Apr 5, 2017 | 001-38054 |