| 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 | Aug 11, 2025 | Aug 7, 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 | 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 | 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 | 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 | Sep 28, 2022 | Dec 1, 2019 | 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 | 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 | 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 | Jan 3, 2020 | Jan 2, 2020 | 000-06253 | |
| 4 | Open Document | Open Filing | Oct 3, 2019 | Oct 1, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Jul 3, 2019 | Jul 1, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | May 3, 2019 | May 1, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Jan 4, 2019 | Jan 2, 2019 | 000-06253 | |
| 4 | Open Document | Open Filing | Oct 3, 2018 | Oct 1, 2018 | 000-06253 | |
| 4 | Open Document | Open Filing | Aug 3, 2018 | Aug 3, 2018 | 000-06253 | |
| 4 | Open Document | Open Filing | Aug 1, 2018 | Jul 30, 2018 | 000-06253 | |
| 4 | Open Document | Open Filing | Jul 3, 2018 | Jul 2, 2018 | 000-06253 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 7, 2018 | May 3, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 3, 2018 | May 1, 2018 | 000-06253 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2017 | Dec 20, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 13, 2017 | Nov 8, 2017 | 000-06253 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 9, 2017 | Nov 1, 2017 | 000-06253 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 19, 2017 | Oct 19, 2017 | 001-34110 |
| 5 | Open Document | Open Filing | FORM 5 | Feb 14, 2017 | Dec 31, 2016 | 001-34110 |
| 4 | Open Document | Open Filing | FORM | Dec 22, 2016 | Dec 20, 2016 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2016 | May 31, 2016 | 001-34110 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2016 | Feb 17, 2016 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2015 | Dec 15, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2015 | Dec 3, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 4, 2015 | Sep 2, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2015 | Jun 5, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2015 | Feb 23, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2015 | Jan 30, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2015 | Jan 28, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2015 | Jan 23, 2015 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2014 | Dec 17, 2014 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2014 | Nov 18, 2014 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2014 | Nov 10, 2014 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 11, 2014 | Aug 7, 2014 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 31, 2014 | Jul 29, 2014 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 28, 2014 | Jul 28, 2014 | 001-34110 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2014 | May 29, 2014 | 001-34110 |