| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Oct 3, 2025 | Oct 1, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Jul 24, 2025 | Jul 23, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Jul 3, 2025 | Jul 1, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | May 14, 2025 | May 12, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Apr 3, 2025 | Apr 1, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Feb 5, 2025 | Feb 3, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Jan 6, 2025 | Jan 2, 2025 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Oct 3, 2024 | Oct 1, 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Jul 3, 2024 | Jul 1, 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | May 3, 2024 | May 1, 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Apr 2, 2024 | Apr 1, 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Feb 5, 2024 | Feb 1, 2024 | 000-06253 |
| 4 | Open Document | Open Filing | 4 | Jan 4, 2024 | Jan 2, 2024 | 000-06253 |
| 4 | Open Document | Open Filing | Oct 4, 2023 | Oct 2, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | Jul 6, 2023 | Jul 3, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | May 5, 2023 | May 3, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | May 2, 2023 | Apr 28, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | Apr 5, 2023 | Apr 3, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 3, 2023 | Feb 1, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 5, 2023 | Jan 3, 2023 | 000-06253 | |
| 4 | Open Document | Open Filing | Oct 5, 2022 | Oct 3, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | Jul 6, 2022 | Jul 1, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | May 5, 2022 | May 3, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | Apr 5, 2022 | Apr 1, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 3, 2022 | Feb 1, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 26, 2022 | Jan 24, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 5, 2022 | Jan 3, 2022 | 000-06253 | |
| 4 | Open Document | Open Filing | Oct 5, 2021 | Oct 1, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Jul 6, 2021 | Jul 1, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Jun 2, 2021 | May 28, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Apr 5, 2021 | Apr 1, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 4, 2021 | Feb 2, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 2, 2021 | Jan 29, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 22, 2021 | Jan 20, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 6, 2021 | Jan 4, 2021 | 000-06253 | |
| 4 | Open Document | Open Filing | Oct 5, 2020 | Oct 1, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Jul 2, 2020 | Jul 1, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | May 5, 2020 | May 1, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Apr 2, 2020 | Mar 31, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 28, 2020 | Feb 26, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 23, 2020 | Jan 21, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 22, 2020 | Jan 17, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Dec 18, 2019 | Dec 16, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 28, 2019 | Feb 26, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 26, 2019 | Feb 24, 2019 | 000-06253 | |
| 4/A | Open Document | Open Filing | Feb 22, 2019 | Jan 28, 2019 | 000-06253 | |
| 4/A | Open Document | Open Filing | Feb 20, 2019 | Jan 19, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 30, 2019 | Jan 28, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 23, 2019 | Jan 18, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 18, 2019 | Jan 16, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 1, 2018 | Apr 27, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 27, 2018 | Mar 25, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 27, 2018 | Feb 24, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 30, 2018 | Jan 27, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 23, 2018 | Jan 19, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 22, 2018 | Jan 18, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 19, 2018 | Jan 17, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2018 | Dec 29, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 10, 2017 | May 9, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 28, 2017 | Mar 25, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 28, 2017 | Feb 24, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 30, 2017 | Jan 27, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 20, 2017 | Jan 19, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 19, 2017 | Jan 17, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 4, 2017 | Dec 31, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 20, 2016 | May 19, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 29, 2016 | Mar 25, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 1, 2016 | Feb 27, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2016 | Feb 24, 2016 | 000-06253 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 9, 2016 | Dec 31, 2015 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 2, 2016 | Jan 27, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 27, 2016 | Jan 26, 2016 | 000-06253 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 27, 2016 | Jan 19, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 21, 2016 | Jan 19, 2016 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 12, 2015 | Aug 10, 2015 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 26, 2015 | May 22, 2015 | 000-06253 |
| 4 | Open Document | Open Filing | Mar 25, 2015 | Mar 25, 2015 | 000-06253 | |
| 4 | Open Document | Open Filing | Feb 13, 2015 | Feb 11, 2015 | 000-06253 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2015 | Jan 2, 2015 | 000-06253 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jul 25, 2014 | Jul 24, 2014 | 000-06253 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 25, 2014 | Feb 24, 2014 | 000-06253 |
| 5 | Open Document | Open Filing | ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP | Feb 13, 2014 | Dec 31, 2013 | 000-06253 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jan 29, 2014 | Jan 27, 2014 | 000-06253 |