| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Jul 10, 2025 | Jul 10, 2025 | 000-22496 |
| 4 | Open Document | Open Filing | 4 | Nov 12, 2024 | Nov 8, 2024 | 000-22496 |
| 3 | Open Document | Open Filing | 3 | Nov 8, 2024 | Nov 1, 2024 | 000-22496 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2022 | Apr 26, 2022 | 001-16463 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 9, 2022 | Jan 4, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2022 | Feb 23, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 17, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2022 | Jan 4, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Jan 2, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2021 | Sep 15, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2021 | Feb 18, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2021 | Feb 9, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2021 | Jan 5, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 2, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 10, 2020 | Apr 8, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2020 | Apr 3, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2020 | Feb 12, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2020 | Feb 9, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2020 | Jan 7, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2019 | Nov 29, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 13, 2019 | Sep 11, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 4, 2019 | Sep 1, 2019 | 001-16463 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 19, 2019 | Aug 7, 2019 | 001-16463 |