| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Apr 25, 2025 | Apr 25, 2025 | 001-06747 | 
| 5 | Open Document | Open Filing | 5 | Feb 14, 2025 | Dec 31, 2024 | 001-06747 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 7, 2025 | Jan 3, 2025 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 11, 2024 | Jul 9, 2024 | 000-09143 | 
| 4 | Open Document | Open Filing | 4 | May 9, 2024 | May 8, 2024 | 001-06747 | 
| 5 | Open Document | Open Filing | 5 | Feb 14, 2024 | Dec 31, 2023 | 001-06747 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 5, 2024 | Jan 3, 2024 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 15, 2023 | Sep 13, 2023 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2023 | Jul 3, 2023 | 001-06747 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2023 | Dec 31, 2022 | 001-06747 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2023 | Jan 4, 2023 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 4, 2023 | Jan 3, 2023 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2023 | Jan 2, 2023 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 7, 2022 | Dec 5, 2022 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2022 | Jul 1, 2022 | 001-06747 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2022 | Dec 31, 2021 | 001-06747 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2022 | Jan 5, 2022 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 4, 2022 | Jan 2, 2022 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 14, 2021 | Dec 13, 2021 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2021 | Jul 1, 2021 | 001-06747 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 12, 2021 | Dec 31, 2020 | 001-06747 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 2, 2021 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2020 | Jul 1, 2020 | 001-06747 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 12, 2020 | Dec 31, 2019 | 001-06747 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2020 | Jan 2, 2020 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2019 | Jul 1, 2019 | 001-06747 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 1, 2019 | Apr 25, 2019 | 001-06747 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2019 | Jan 4, 2019 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2018 | Jan 12, 2018 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2018 | Jan 5, 2018 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2018 | Jan 3, 2018 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 11, 2017 | Jan 10, 2017 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2017 | Jan 4, 2017 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 11, 2016 | Jan 11, 2016 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2016 | Jan 6, 2016 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2016 | Jan 4, 2016 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2015 | Dec 14, 2015 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 12, 2015 | Jan 12, 2015 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2015 | Jan 6, 2015 | 000-09143 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2014 | Dec 15, 2014 | 000-09143 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 14, 2014 | Dec 23, 2013 | 000-09143 |