| 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 | Jun 6, 2024 | Jun 4, 2024 | 001-08462 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 21, 2024 | May 17, 2024 | 001-08462 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 24, 2023 | May 23, 2023 | 001-08462 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 18, 2023 | May 17, 2023 | 001-08462 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 24, 2022 | May 23, 2022 | 001-08462 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 11, 2022 | Feb 10, 2022 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2021 | Jun 1, 2021 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2020 | Jun 9, 2020 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2019 | May 29, 2019 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | May 30, 2018 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2017 | May 31, 2017 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2016 | May 24, 2016 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2015 | May 28, 2015 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 11, 2014 | Sep 10, 2014 | 001-08462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | May 29, 2014 | 001-08462 |