| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 9, 2025 | May 8, 2025 | 000-21810 |
| 4 | Open Document | Open Filing | Aug 27, 2024 | Aug 26, 2024 | 000-20388 | |
| 144 | Open Document | Open Filing | Aug 26, 2024 | |||
| 4 | Open Document | Open Filing | Aug 26, 2024 | Aug 23, 2024 | 000-20388 | |
| 144 | Open Document | Open Filing | Aug 23, 2024 | |||
| 4 | Open Document | Open Filing | Aug 1, 2024 | Jul 31, 2024 | 000-20388 | |
| 144 | Open Document | Open Filing | Jul 31, 2024 | |||
| 4 | Open Document | Open Filing | Jul 19, 2024 | Jul 18, 2024 | 000-20388 | |
| 144 | Open Document | Open Filing | Jul 18, 2024 | |||
| 4 | Open Document | Open Filing | Jul 18, 2024 | Jul 16, 2024 | 000-20388 | |
| 144 | Open Document | Open Filing | Jul 17, 2024 | |||
| 144 | Open Document | Open Filing | Jul 16, 2024 | |||
| 4 | Open Document | Open Filing | 4 | May 20, 2024 | May 16, 2024 | 000-21810 |
| 4 | Open Document | Open Filing | Apr 29, 2024 | Apr 27, 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | Apr 29, 2024 | Apr 25, 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | Apr 23, 2024 | Apr 22, 2024 | 000-20388 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2023 | May 18, 2023 | 000-21810 |
| 4 | Open Document | Open Filing | May 1, 2023 | Apr 28, 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | May 1, 2023 | Apr 27, 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | Apr 25, 2023 | Apr 22, 2023 | 000-20388 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2023 | Feb 14, 2023 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2022 | Jun 2, 2022 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2022 | Apr 28, 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2022 | Apr 26, 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2022 | Apr 22, 2022 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2021 | Nov 16, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2021 | Nov 15, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 22, 2021 | Oct 21, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2021 | May 20, 2021 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2021 | Apr 27, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2021 | Apr 26, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2021 | Apr 23, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2021 | Apr 22, 2021 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2020 | Nov 11, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2020 | Nov 5, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 13, 2020 | Aug 11, 2020 | 000-21810 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Aug 13, 2020 | Aug 11, 2020 | 000-21810 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2020 | Apr 28, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2020 | Apr 26, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 27, 2020 | Apr 23, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 16, 2020 | Jan 14, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2020 | Jan 3, 2020 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2019 | Apr 26, 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2019 | Apr 22, 2019 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2018 | Apr 27, 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2018 | Apr 24, 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2018 | Apr 22, 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2018 | Feb 26, 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2018 | Feb 20, 2018 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2017 | Apr 28, 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 26, 2017 | Apr 25, 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2017 | Apr 22, 2017 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 11, 2017 | Jan 10, 2017 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 3, 2017 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 1, 2016 | Aug 31, 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2016 | Apr 27, 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 28, 2016 | Apr 26, 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 27, 2016 | Apr 25, 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 26, 2016 | Apr 22, 2016 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2015 | Dec 14, 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2015 | Nov 9, 2015 | 000-20388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2015 | Nov 5, 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2015 | Apr 24, 2015 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 7, 2014 | 000-20388 |
| 4 | Open Document | Open Filing | Jun 17, 2014 | Jun 13, 2014 | 001-05375 | |
| 3 | Open Document | Open Filing | Jun 16, 2014 | Jun 6, 2014 | 001-05375 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2014 | Apr 25, 2014 | 000-20388 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2014 | Jan 10, 2014 | 000-20388 |