| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2025 | 17 Apr 2025 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2024 | 18 Apr 2024 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Apr 2023 | 20 Apr 2023 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Dec 2022 | 22 Dec 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Sep 2022 | 22 Sep 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jun 2022 | 23 Jun 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Apr 2022 | 21 Apr 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Mar 2022 | 24 Mar 2022 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Apr 2021 | 22 Apr 2021 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2020 | 23 Apr 2020 | 000-20827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2019 | 25 Apr 1982 | 000-20827 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Apr 2019 | 23 Apr 2019 | 000-20827 |