| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 4/A | Mar 21, 2025 | Mar 6, 2025 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | Mar 18, 2025 | Mar 16, 2025 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | Mar 7, 2025 | Mar 6, 2025 | 000-26481 |
| 4 | Open Document | Open Filing | 4 | Dec 16, 2024 | Dec 13, 2024 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2024 | Mar 19, 2024 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2024 | Mar 7, 2024 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2023 | May 3, 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 23, 2023 | Mar 21, 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2023 | Feb 25, 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2023 | Feb 8, 2023 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2022 | May 22, 2022 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2022 | Mar 16, 2022 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 21, 2022 | Jan 19, 2022 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 15, 2021 | Sep 14, 2021 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2021 | Mar 19, 2021 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 27, 2021 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2020 | May 5, 2020 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2020 | Feb 25, 2020 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2020 | Feb 22, 2020 | 000-26481 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 18, 2019 | Dec 18, 2019 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2019 | May 22, 2019 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2018 | Feb 27, 2018 | 000-26481 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2017 | Feb 22, 2017 | 000-26481 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 1, 2017 | Jan 25, 2017 | 000-26481 |