| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jul 25, 2024 | Jul 25, 2024 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2024 | Mar 29, 2024 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2024 | Mar 22, 2024 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2024 | Mar 5, 2024 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 10, 2023 | Apr 7, 2023 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2023 | Mar 31, 2023 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2022 | Apr 8, 2022 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Mar 30, 2022 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2022 | Mar 21, 2022 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 1, 2022 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2021 | May 6, 2021 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 13, 2021 | Apr 8, 2021 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 30, 2021 | Mar 29, 2021 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2021 | Mar 22, 2021 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2021 | Mar 5, 2021 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 19, 2020 | May 6, 2020 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 9, 2020 | Apr 7, 2020 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 30, 2020 | Mar 27, 2020 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2020 | Mar 23, 2020 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2020 | Mar 16, 2020 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2019 | Nov 22, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2019 | Nov 5, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2019 | May 6, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2019 | Mar 27, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2019 | Mar 21, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2019 | Mar 20, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2019 | Mar 15, 2019 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 29, 2018 | Mar 27, 2018 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2018 | Mar 18, 2018 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2017 | Mar 22, 2017 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2017 | Mar 20, 2017 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2017 | Mar 15, 2017 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2016 | Jun 6, 2016 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2016 | Mar 14, 2016 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2016 | Mar 10, 2016 | 000-20969 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2015 | Mar 16, 2015 | 000-20969 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 6, 2014 | Sep 29, 2014 | 000-20969 |