| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2025 | Aug 12, 2025 | 001-02299 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 25, 2024 | Oct 22, 2024 | 001-02299 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2024 | Jul 12, 2024 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2024 | Apr 12, 2024 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2024 | Mar 18, 2024 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2024 | Mar 4, 2024 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2024 | Mar 1, 2024 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2024 | Jan 12, 2024 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2023 | Nov 15, 2023 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2023 | Oct 13, 2023 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2023 | Jul 14, 2023 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2023 | Apr 14, 2023 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2023 | Mar 3, 2023 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2023 | Jan 13, 2023 | 000-16211 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2022 | Nov 15, 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2022 | Nov 15, 2022 | 000-16211 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2022 | Aug 15, 2022 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2021 | Dec 13, 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2021 | Nov 12, 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2021 | Nov 10, 2021 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 10, 2021 | Nov 8, 2021 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2021 | Apr 26, 2021 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2020 | Nov 11, 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2020 | Nov 9, 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2020 | Apr 24, 2020 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2019 | Nov 8, 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 7, 2019 | Nov 6, 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2019 | Apr 24, 2019 | 001-06651 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 9, 2018 | Nov 7, 2018 | 001-06651 |
| 3 | Open Document | Open Filing | FORM 3 | May 10, 2018 | May 8, 2018 | 001-06651 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2017 | Apr 14, 2017 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2017 | Mar 22, 2017 | 000-16211 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2017 | Feb 24, 2017 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2017 | Feb 24, 2017 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2017 | Feb 22, 2017 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2017 | Jan 13, 2017 | 000-16211 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 28, 2016 | Feb 25, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 18, 2016 | Oct 14, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 12, 2016 | Jul 8, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 12, 2016 | Apr 8, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 8, 2016 | Mar 4, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2016 | Feb 29, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2016 | Feb 25, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2016 | Feb 17, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2016 | Jan 8, 2016 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 9, 2015 | Oct 9, 2015 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 14, 2015 | Jul 10, 2015 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2015 | Apr 10, 2015 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2015 | Mar 27, 2015 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2015 | Feb 21, 2015 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2015 | Jan 9, 2015 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 14, 2014 | Oct 10, 2014 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2014 | Jul 11, 2014 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2014 | May 24, 2014 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 14, 2014 | Apr 11, 2014 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2014 | Mar 28, 2014 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2014 | Feb 24, 2014 | 000-16211 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2014 | Jan 10, 2014 | 000-16211 |