| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2025 | May 13, 2025 | 000-14690 |
| 4 | Open Document | Open Filing | 4 | Aug 1, 2024 | Jul 31, 2024 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2024 | May 14, 2024 | 000-14690 |
| 4 | Open Document | Open Filing | 4 | May 10, 2024 | May 9, 2024 | 001-35416 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2023 | May 11, 2023 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2023 | May 9, 2023 | 000-14690 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2022 | Dec 16, 2022 | 001-35416 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 16, 2022 | May 12, 2022 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2022 | May 10, 2022 | 000-14690 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2021 | May 13, 2021 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2021 | May 11, 2021 | 000-14690 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2021 | May 7, 2021 | 001-35416 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 8, 2021 | May 7, 2020 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2020 | May 12, 2020 | 000-14690 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2020 | May 7, 2020 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2019 | May 14, 2019 | 000-14690 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2019 | May 9, 2019 | 001-35416 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2018 | May 10, 2018 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2018 | May 8, 2018 | 000-14690 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 9, 2018 | May 4, 2018 | 001-35416 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 8, 2018 | May 4, 2018 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2018 | Apr 24, 2018 | 000-14690 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2018 | Feb 26, 2018 | 001-35416 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2017 | Aug 15, 2017 | 001-35416 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 17, 2017 | Aug 15, 2017 | 001-35416 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2017 | May 9, 2017 | 000-14690 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2017 | May 9, 2017 | 000-14690 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2016 | Nov 18, 2016 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2016 | Jun 3, 2016 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2016 | Feb 4, 2016 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2016 | Feb 2, 2016 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2015 | Nov 17, 2015 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2015 | May 22, 2015 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2015 | Feb 5, 2015 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2015 | Feb 3, 2015 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2014 | Aug 29, 2014 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2014 | Mar 11, 2014 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2014 | Feb 6, 2014 | 001-06075 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2014 | Feb 4, 2014 | 001-06075 |