| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Dec 11, 2025 | Dec 9, 2025 | 001-15543 |
| 4 | Open Document | Open Filing | Sep 16, 2025 | Sep 12, 2025 | 001-34673 | |
| 144 | Open Document | Open Filing | Sep 12, 2025 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2025 | Jun 13, 2025 | 001-15543 |
| 4 | Open Document | Open Filing | Jan 22, 2025 | Jan 17, 2025 | 001-34673 | |
| 4 | Open Document | Open Filing | Dec 9, 2024 | Dec 6, 2024 | 001-32188 | |
| 144 | Open Document | Open Filing | Dec 6, 2024 | |||
| 4 | Open Document | Open Filing | Sep 20, 2024 | Sep 19, 2024 | 001-32188 | |
| 4/A | Open Document | Open Filing | FORM 4 | Jul 17, 2024 | Jul 15, 2024 | 001-15543 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2024 | Jul 15, 2024 | 001-15543 |
| 4 | Open Document | Open Filing | Mar 20, 2024 | Mar 5, 2024 | 001-34673 | |
| 4 | Open Document | Open Filing | Dec 18, 2023 | Dec 14, 2023 | 001-34673 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2023 | Dec 4, 2023 | 001-15543 |
| 144 | Open Document | Open Filing | Dec 6, 2023 | |||
| 144 | Open Document | Open Filing | Dec 1, 2023 | |||
| 4 | Open Document | Open Filing | Aug 10, 2023 | Aug 8, 2023 | 001-32188 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2023 | Jun 20, 2023 | 001-15543 |
| 4/A | Open Document | Open Filing | May 18, 2023 | May 17, 2023 | 001-34673 | |
| 4 | Open Document | Open Filing | May 17, 2023 | May 17, 2023 | 001-34673 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 18, 2023 | Jan 14, 2023 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 23, 2022 | Dec 21, 2022 | 001-15543 |
| 4 | Open Document | Open Filing | Aug 2, 2022 | Jul 29, 2022 | 001-32188 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2022 | Jun 22, 2022 | 001-15543 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2022 | Feb 22, 2022 | 001-34673 |
| 4 | Open Document | Open Filing | Dec 17, 2021 | Dec 16, 2021 | 001-32188 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2021 | Jun 30, 2021 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2021 | Jun 30, 2021 | 001-15543 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2021 | Jun 22, 2021 | 001-15543 |
| 4 | Open Document | Open Filing | Feb 19, 2021 | Feb 18, 2021 | 001-32188 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2021 | Jan 11, 2021 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2020 | Aug 12, 2020 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 18, 2020 | Jun 16, 2020 | 001-15543 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 25, 2020 | 001-34673 |
| 4 | Open Document | Open Filing | Feb 7, 2020 | Feb 5, 2020 | 001-32188 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2019 | Jul 12, 2019 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2019 | Jun 24, 2019 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 24, 2019 | Jun 20, 2019 | 001-32188 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2019 | Mar 1, 2019 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Mar 1, 2019 | 001-34673 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Mar 1, 2019 | 001-34673 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2018 | Nov 15, 2018 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 1, 2018 | Sep 27, 2018 | 001-32188 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 17, 2018 | Jul 17, 2018 | 001-32188 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2018 | Jun 26, 2018 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2018 | Jun 22, 2018 | 001-32188 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2017 | Dec 12, 2017 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2017 | Jun 22, 2017 | 001-32188 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2017 | Jun 20, 2017 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2017 | Feb 9, 2017 | 001-32188 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2016 | Jun 9, 2016 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2016 | Feb 16, 2016 | 001-32188 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2015 | Dec 15, 2015 | 001-32188 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2015 | Dec 8, 2015 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2015 | Aug 14, 2015 | 000-51173 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2015 | Aug 4, 2015 | 000-51173 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2015 | Jun 25, 2015 | 001-15543 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2015 | Jun 11, 2015 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2015 | Mar 16, 2015 | 001-32188 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 6, 2015 | Dec 31, 2014 | 001-32188 |
| 4 | Open Document | Open Filing | FORM 4 - DUNTON | Dec 12, 2014 | Dec 11, 2014 | 000-51173 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2014 | Jun 25, 2014 | 001-15543 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2014 | Jun 12, 2014 | 000-51173 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2014 | May 30, 2014 | 001-32188 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 27, 2014 | Mar 25, 2014 | 001-32188 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2014 | Mar 20, 2014 | 001-32188 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2014 | Mar 10, 2014 | 001-32188 |