| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Apr 17, 2025 | Apr 17, 2025 | 000-20572 |
| 4 | Open Document | Open Filing | 4 | Dec 17, 2024 | Dec 13, 2024 | 000-20572 |
| 4 | Open Document | Open Filing | 4 | Nov 13, 2024 | Nov 12, 2024 | 000-20572 |
| 4 | Open Document | Open Filing | 4 | Jul 3, 2024 | Jul 1, 2024 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2023 | Dec 15, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 16, 2023 | Nov 14, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 18, 2023 | Jul 14, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2023 | Jul 1, 2023 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2022 | Dec 15, 2022 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2022 | Aug 7, 2022 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2022 | Jul 1, 2022 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2021 | Sep 30, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2021 | Aug 7, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2021 | Jul 1, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2021 | Jun 30, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 15, 2021 | Jun 11, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 27, 2021 | Apr 24, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2021 | Mar 31, 2021 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2020 | Sep 30, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 22, 2020 | Sep 21, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2020 | Aug 7, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 16, 2020 | Jul 14, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2020 | Jul 1, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2020 | Jun 30, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 15, 2020 | Jun 11, 2020 | 000-20572 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | May 7, 2020 | Apr 25, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2020 | Mar 31, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2020 | Jan 2, 2020 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2019 | Sep 30, 2019 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 24, 2019 | Sep 21, 2019 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2019 | Aug 7, 2019 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2019 | Jun 28, 2019 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2019 | Mar 29, 2019 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2019 | Jan 2, 2019 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 24, 2018 | Sep 21, 2018 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2018 | Aug 7, 2018 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2018 | Jul 1, 2018 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2018 | Jun 11, 2018 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2018 | Apr 2, 2018 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2018 | Dec 31, 2017 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 25, 2017 | Sep 21, 2017 | 000-20572 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2017 | Aug 7, 2017 | 000-20572 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 21, 2017 | Jul 11, 2017 | 000-20572 |