| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Apr 16, 2025 | Apr 15, 2025 | 000-23423 | |
| 4 | Open Document | Open Filing | Apr 18, 2024 | Apr 16, 2024 | 000-23423 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 20, 2023 | Apr 18, 2023 | 000-23423 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 20, 2023 | Jan 17, 2023 | 000-23423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2022 | Feb 15, 2022 | 000-23423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2021 | Feb 16, 2021 | 000-23423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2020 | Feb 18, 2020 | 000-23423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2019 | Feb 19, 2019 | 000-23423 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Feb 27, 2018 | Apr 18, 2017 | 000-23423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 18, 2018 | Jan 16, 2018 | 000-23423 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 20, 2017 | Apr 18, 2017 | 000-23423 |