| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2025 | Jul 26, 2025 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 17, 2024 | Dec 17, 2024 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2024 | Jul 26, 2024 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2023 | Dec 19, 2023 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2023 | Jul 28, 2023 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 20, 2022 | Dec 20, 2022 | 001-35394 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2022 | Jul 29, 2022 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2022 | Apr 26, 2022 | 000-12933 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2021 | Dec 14, 2021 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2021 | Nov 12, 2021 | 000-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2021 | Jul 30, 2021 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2020 | Dec 15, 2020 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2020 | Nov 6, 2020 | 000-12933 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 9, 2020 | Nov 6, 2020 | 001-33155 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Aug 14, 2020 | Sep 6, 2019 | 001-35394 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2020 | Aug 6, 2020 | 000-17795 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2020 | Jul 31, 2020 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2020 | May 28, 2020 | 001-33155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2020 | Apr 23, 2020 | 000-17795 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2020 | Apr 23, 2020 | 000-17795 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 17, 2020 | Apr 16, 2020 | 001-10079 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2019 | Dec 17, 2019 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2019 | Nov 8, 2019 | 000-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2019 | Sep 13, 2019 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2019 | Sep 6, 2019 | 001-35394 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 6, 2019 | Sep 3, 2019 | 001-35394 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 6, 2019 | Sep 6, 2019 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2019 | May 30, 2019 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2019 | May 2, 2019 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2018 | Nov 9, 2018 | 000-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 7, 2018 | Sep 6, 2018 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2018 | Jun 5, 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2018 | May 10, 2018 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2017 | Nov 10, 2017 | 000-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 7, 2017 | Sep 6, 2017 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 7, 2017 | Sep 6, 2017 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 7, 2017 | Sep 6, 2017 | 001-10079 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Sep 7, 2017 | Sep 6, 2017 | 001-10079 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 6, 2017 | Sep 6, 2017 | 001-10079 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 1, 2017 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 15, 2016 | Nov 11, 2016 | 000-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 19, 2016 | Sep 19, 2016 | 001-15181 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2016 | Aug 10, 2016 | 001-15181 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2016 | Aug 2, 2016 | 001-33155 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 7, 2016 | Jul 6, 2016 | 001-33155 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2016 | May 25, 2016 | 001-15181 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2016 | May 12, 2016 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 10, 2015 | Nov 6, 2015 | 000-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2015 | Jun 18, 2015 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2015 | May 20, 2015 | 001-15181 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2015 | Dec 28, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2014 | Nov 17, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 7, 2014 | 000-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2014 | Nov 3, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 22, 2014 | Oct 20, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2014 | Oct 6, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 24, 2014 | Sep 22, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2014 | Sep 8, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 27, 2014 | Aug 25, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2014 | Aug 11, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 30, 2014 | Jul 28, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2014 | Jul 14, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2014 | Jun 30, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2014 | Jun 19, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2014 | Jun 16, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2014 | Jun 2, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2014 | May 19, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2014 | May 7, 2014 | 001-15181 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2014 | May 5, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 26, 2014 | Mar 24, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2014 | Mar 10, 2014 | 000-26734 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2014 | Feb 24, 2014 | 000-26734 |