| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 6, 2025 | May 2, 2025 | 000-26966 |
| 4 | Open Document | Open Filing | 4 | May 7, 2024 | May 3, 2024 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2023 | Dec 13, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Dec 13, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2023 | Dec 1, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Dec 1, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 16, 2023 | Nov 15, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Nov 15, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2023 | Oct 2, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Oct 2, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 5, 2023 | Sep 1, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Sep 1, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2023 | Aug 1, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Aug 1, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2023 | Jul 3, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Jul 3, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2023 | Jun 7, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Jun 7, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2023 | Jun 1, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | Jun 1, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2023 | May 25, 2023 | 000-26966 |
| 144 | Open Document | Open Filing | May 25, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2023 | May 5, 2023 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2022 | May 9, 2022 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2021 | May 7, 2021 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2021 | Apr 30, 2021 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2020 | May 19, 2020 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2020 | Apr 30, 2020 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2019 | Jun 4, 2019 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2019 | May 21, 2019 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2018 | May 21, 2018 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2018 | May 3, 2018 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2017 | May 4, 2017 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 20, 2016 | Dec 16, 2016 | 001-37900 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 7, 2016 | Oct 7, 2016 | 001-37900 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2016 | May 5, 2016 | 000-26966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2015 | May 7, 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2015 | Feb 17, 2015 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2014 | Dec 9, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 7, 2014 | 001-10658 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 7, 2014 | Nov 6, 2014 | 000-26966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 22, 2014 | Oct 20, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 20, 2014 | Oct 16, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2014 | Oct 13, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 1, 2014 | Sep 30, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 12, 2014 | Sep 10, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2014 | Aug 11, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 10, 2014 | Jul 9, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2014 | Jun 10, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2014 | May 12, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 23, 2014 | Apr 23, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 10, 2014 | Apr 9, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2014 | Mar 7, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 11, 2014 | 001-10658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2014 | Jan 9, 2014 | 001-10658 |