| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jun 28, 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2024 | Jun 20, 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2024 | Jan 15, 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2023 | Apr 26, 2023 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2023 | Feb 17, 2023 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 18, 2023 | Jan 15, 2023 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 22, 2022 | Jul 21, 2022 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2022 | Jan 26, 2022 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 18, 2022 | Jan 15, 2022 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2021 | Jun 10, 2021 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2021 | Mar 11, 2021 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2021 | Jan 15, 2021 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2020 | May 7, 2020 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2020 | Jan 15, 2020 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2019 | Sep 13, 2019 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2019 | May 1, 2019 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2019 | Feb 22, 2019 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2019 | Jan 16, 2019 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 27, 2018 | Jul 26, 2018 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2018 | Feb 23, 2018 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 19, 2018 | Jan 19, 2018 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 18, 2018 | Jan 16, 2018 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 29, 2017 | Nov 28, 2017 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 18, 2017 | Jan 17, 2017 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2016 | Aug 19, 2016 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 22, 2016 | Jan 15, 2016 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2015 | Feb 24, 2015 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2015 | Jan 15, 2015 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2014 | Mar 4, 2014 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2014 | Feb 24, 2014 | 000-20278 |