| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 2, 2025 | Aug 29, 2025 | 000-21660 | |
| 4 | Open Document | Open Filing | Jun 2, 2025 | May 30, 2025 | 000-21660 | |
| 4 | Open Document | Open Filing | May 13, 2025 | May 12, 2025 | 000-21660 | |
| 4 | Open Document | Open Filing | Feb 24, 2025 | Feb 21, 2025 | 000-21660 | |
| 4 | Open Document | Open Filing | Dec 2, 2024 | Nov 29, 2024 | 000-21660 | |
| 4 | Open Document | Open Filing | Sep 4, 2024 | Aug 30, 2024 | 000-21660 | |
| 4 | Open Document | Open Filing | Jun 4, 2024 | May 31, 2024 | 000-21660 | |
| 4 | Open Document | Open Filing | May 14, 2024 | May 13, 2024 | 000-21660 | |
| 4 | Open Document | Open Filing | Feb 27, 2024 | Feb 23, 2024 | 000-21660 | |
| 4 | Open Document | Open Filing | Nov 28, 2023 | Nov 24, 2023 | 000-21660 | |
| 4 | Open Document | Open Filing | Nov 8, 2023 | Nov 6, 2023 | 000-21660 | |
| 3 | Open Document | Open Filing | Oct 26, 2023 | Oct 24, 2023 | 000-21660 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2023 | Mar 22, 2023 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2023 | Feb 27, 2023 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2023 | Jan 31, 2023 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2022 | Mar 23, 2022 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2022 | Feb 27, 2022 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2022 | Jan 31, 2022 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 20, 2021 | Aug 19, 2021 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2021 | Mar 24, 2021 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2021 | Feb 27, 2021 | 001-08207 |
| 3 | Open Document | Open Filing | FORM 3 | May 29, 2020 | May 21, 2020 | 001-08207 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2019 | Sep 16, 2019 | 001-14704 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 15, 2019 | Feb 13, 2019 | 001-14704 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 6, 2018 | Dec 5, 2018 | 001-14704 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 3, 2016 | Mar 3, 2016 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 8, 2015 | Dec 6, 2015 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 3, 2015 | Dec 1, 2015 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 24, 2015 | Nov 20, 2015 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 24, 2015 | Mar 22, 2015 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 10, 2015 | Mar 7, 2015 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 9, 2014 | Dec 6, 2014 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 3, 2014 | Dec 1, 2014 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 24, 2014 | Nov 20, 2014 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 25, 2014 | Mar 22, 2014 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 11, 2014 | Mar 7, 2014 | 001-12340 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 12, 2014 | Feb 11, 2014 | 001-12340 |