| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 29, 2025 | May 28, 2025 | 000-30421 |
| 4 | Open Document | Open Filing | 4 | May 23, 2024 | May 22, 2024 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2023 | May 24, 2023 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2022 | May 25, 2022 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 4, 2022 | Feb 4, 2022 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2021 | May 26, 2021 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 25, 2020 | Sep 23, 2020 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2020 | Mar 24, 2020 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 28, 2019 | Jun 26, 2019 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2018 | Jun 28, 2018 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2017 | Dec 15, 2017 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 31, 2017 | Jul 27, 2017 | 000-30421 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Apr 5, 2016 | Apr 5, 2016 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 24, 2016 | Mar 23, 2016 | 000-30421 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2016 | Feb 3, 2016 | 000-30421 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 11, 2016 | Feb 2, 2016 | 000-30421 |