| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2025 | Sep 3, 2025 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 22, 2025 | Aug 21, 2025 | 000-11559 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 21, 2025 | May 20, 2025 | 001-40140 |
| 144 | Open Document | Open Filing | May 20, 2025 | |||
| 4 | Open Document | Open Filing | Nov 15, 2024 | Nov 15, 2024 | 001-40140 | |
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2024 | Sep 3, 2024 | 000-11559 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 27, 2023 | Nov 22, 2023 | 001-40140 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2022 | Dec 12, 2022 | 001-40140 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 14, 2022 | Dec 12, 2022 | 001-40140 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2022 | Nov 3, 2022 | 000-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2022 | Jul 29, 2022 | 000-11559 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2021 | Dec 3, 2021 | 000-16577 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2021 | Aug 27, 2021 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 30, 2021 | Aug 27, 2021 | 000-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2021 | Jul 23, 2020 | 000-11559 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2020 | Dec 4, 2020 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2020 | Nov 4, 2020 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2020 | May 4, 2020 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2019 | Dec 6, 2019 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2019 | Jul 17, 2019 | 000-16577 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2019 | May 7, 2019 | 000-11559 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2019 | May 1, 2019 | 000-16577 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2019 | Feb 1, 2019 | 000-11559 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2018 | Dec 7, 2018 | 000-16577 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 29, 2018 | Oct 26, 2018 | 000-11559 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2017 | Dec 8, 2017 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 7, 2017 | Nov 6, 2017 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2017 | Aug 22, 2017 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2017 | Mar 6, 2017 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 12, 2016 | Dec 9, 2016 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2015 | Dec 11, 2015 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2015 | Aug 3, 2015 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2015 | May 12, 2015 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2015 | Feb 23, 2015 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2014 | Dec 5, 2014 | 000-16577 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2014 | Jan 14, 2014 | 000-16577 |