| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2025 | Feb 28, 2025 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2025 | Feb 25, 2025 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2025 | Feb 14, 2025 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2025 | Jan 1, 2025 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2024 | Mar 1, 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2024 | Feb 15, 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2024 | Jan 30, 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2024 | Jan 1, 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2023 | Mar 27, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2023 | Mar 14, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2023 | Feb 28, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2023 | Feb 21, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2023 | Feb 15, 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2022 | Mar 25, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2022 | Mar 7, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2022 | Feb 28, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 15, 2022 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 30, 2021 | Mar 26, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2021 | Mar 18, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 26, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 15, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2021 | Jan 7, 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2020 | Jul 2, 2020 | 000-20288 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 12, 2020 | Feb 27, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Feb 28, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2020 | Feb 27, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2020 | Feb 24, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2020 | Feb 21, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 3, 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2019 | Jul 1, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2019 | Apr 26, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2019 | Mar 27, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 27, 2019 | Mar 25, 2019 | 000-20288 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 14, 2019 | Feb 27, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2019 | Feb 27, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2019 | Feb 22, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2018 | Jul 5, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 27, 2018 | Mar 23, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2018 | Mar 9, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Feb 28, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Feb 28, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2018 | Feb 26, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2018 | Feb 23, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2018 | Jan 8, 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2017 | Jul 3, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2017 | Jun 15, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2017 | Apr 26, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 28, 2017 | Mar 24, 2017 | 000-20288 |
| 4/A | Open Document | Open Filing | FORM 4/A | Mar 9, 2017 | Mar 8, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2017 | Feb 27, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2017 | Feb 24, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2017 | Feb 22, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2017 | Feb 22, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2017 | Jan 6, 2017 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2016 | Jul 1, 2016 | 000-20288 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 29, 2016 | Feb 26, 2016 | 000-20288 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2016 | Feb 24, 2016 | 000-20288 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2016 | Feb 24, 2016 | 000-20288 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2016 | Jan 14, 2016 | 000-20288 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2015 | Jul 2, 2015 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 27, 2015 | Mar 25, 2015 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2015 | Jan 6, 2015 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2014 | Jul 1, 2014 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2014 | Feb 26, 2014 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 10, 2014 | Jan 9, 2014 | 000-20288 |