| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 12, 2025 | May 10, 2025 | 000-06966 | |
| 4 | Open Document | Open Filing | May 9, 2025 | May 7, 2025 | 000-06966 | |
| 4 | Open Document | Open Filing | May 10, 2024 | May 8, 2024 | 000-06966 | |
| 4 | Open Document | Open Filing | Mar 5, 2024 | Mar 2, 2024 | 000-06966 | |
| 4 | Open Document | Open Filing | May 12, 2023 | May 10, 2023 | 000-06966 | |
| 4 | Open Document | Open Filing | Mar 6, 2023 | Mar 2, 2023 | 000-06966 | |
| 4/A | Open Document | Open Filing | Mar 7, 2022 | Mar 2, 2022 | 000-06966 | |
| 4 | Open Document | Open Filing | Mar 4, 2022 | Mar 2, 2022 | 000-06966 | |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 25, 2021 | Aug 24, 2021 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 8, 2021 | Mar 4, 2021 | 000-06966 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Mar 26, 2020 | Mar 6, 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 9, 2020 | Mar 6, 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 5, 2020 | Mar 4, 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 13, 2019 | Sep 11, 2019 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 9, 2019 | Sep 5, 2019 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 8, 2019 | Mar 6, 2019 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 4, 2019 | Mar 2, 2019 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2018 | Nov 19, 2018 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 22, 2018 | Aug 21, 2018 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | May 30, 2018 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2018 | Mar 8, 2018 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2018 | Mar 2, 2018 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2018 | Feb 26, 2018 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2017 | May 31, 2017 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2017 | Mar 2, 2017 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2017 | Feb 26, 2017 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2016 | May 5, 2016 | 000-06966 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2016 | Feb 26, 2016 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2016 | Feb 26, 2016 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2015 | Oct 6, 2015 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 14, 2015 | Jul 14, 2015 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2015 | Apr 2, 2015 | 000-06966 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2015 | Feb 27, 2015 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 27, 2015 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 2, 2015 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2014 | Dec 26, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 8, 2014 | Oct 6, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2014 | Jul 14, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2014 | May 16, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 25, 2014 | Mar 24, 2014 | 000-06966 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 5, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 5, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2014 | Feb 27, 2014 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2014 | Dec 30, 2013 | 000-06966 |