| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 6, 2023 | Mar 2, 2023 | 001-04448 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 3, 2023 | Mar 1, 2023 | 001-04448 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 15, 2023 | Feb 13, 2023 | 001-04448 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Mar 4, 2022 | Mar 2, 2022 | 001-04448 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 14, 2022 | Feb 10, 2022 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2021 | Mar 3, 2021 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2021 | Feb 16, 2021 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 3, 2020 | Sep 1, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2020 | Jun 8, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2020 | Mar 20, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2020 | Mar 17, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2019 | Sep 3, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Feb 28, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2019 | Feb 19, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2018 | Sep 4, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2018 | Mar 1, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 6, 2017 | Sep 1, 2017 | 001-04448 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 6, 2017 | Sep 1, 2017 | 001-04448 |