| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Mar 20, 2025 | Mar 18, 2025 | 000-19961 |
| 4 | Open Document | Open Filing | 4 | Mar 5, 2025 | Mar 3, 2025 | 000-19961 |
| 3 | Open Document | Open Filing | 3 | Jun 26, 2024 | Jun 18, 2024 | 000-19961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2021 | May 7, 2021 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2021 | Apr 30, 2021 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 14, 2021 | Apr 12, 2021 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2021 | Feb 10, 2021 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 4, 2020 | Aug 1, 2020 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2020 | Mar 1, 2020 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2019 | Mar 1, 2019 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 7, 2019 | Feb 6, 2019 | 000-50744 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 4, 2019 | Feb 1, 2019 | 000-50744 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 9, 2019 | Jan 1, 2019 | 000-50744 |