| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2025 | Mar 5, 2025 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2025 | Mar 1, 2025 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2025 | Feb 13, 2025 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2025 | Feb 15, 2025 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2024 | Oct 25, 2024 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2024 | Mar 1, 2024 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2024 | Feb 22, 2024 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 20, 2024 | Feb 15, 2024 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2023 | Apr 28, 2023 | 000-24531 |
| 144 | Open Document | Open Filing | Apr 28, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2023 | Mar 15, 2023 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2023 | Mar 1, 2023 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2023 | Feb 14, 2023 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 15, 2022 | Sep 14, 2022 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 1, 2022 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2022 | Feb 15, 2022 | 000-24531 |
| 5 | Open Document | Open Filing | FORM 5 | Feb 9, 2022 | Dec 31, 2021 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2021 | Mar 10, 2021 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 28, 2021 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2021 | Feb 18, 2021 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 15, 2021 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2021 | May 7, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2020 | Aug 26, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2020 | Mar 31, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Feb 29, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 15, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2020 | Feb 6, 2020 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2020 | Dec 31, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2019 | Jul 26, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2019 | Mar 31, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2019 | Mar 15, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2019 | Mar 11, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2019 | Feb 28, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2019 | Feb 7, 2019 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 24, 2018 | Jul 31, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 30, 2018 | Apr 26, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2018 | Mar 31, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2018 | Mar 11, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2018 | Mar 5, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 12, 2017 | Sep 9, 2017 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2017 | May 2, 2017 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2017 | Mar 11, 2017 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2017 | Mar 5, 2017 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Feb 28, 2017 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2016 | Dec 29, 2016 | 000-24531 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 2, 2016 | Mar 11, 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2016 | Mar 11, 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2016 | Mar 5, 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2016 | Feb 28, 2016 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2015 | Dec 9, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2015 | Nov 11, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2015 | Jun 4, 2015 | 001-35000 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2015 | Mar 11, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2015 | Mar 5, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2015 | Feb 28, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2015 | Feb 21, 2015 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2014 | Mar 10, 2014 | 000-24531 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2014 | Jun 5, 2014 | 001-35000 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2014 | Mar 11, 2014 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2014 | Mar 6, 2014 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 4, 2014 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2014 | Feb 28, 2014 | 000-24531 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2014 | Feb 21, 2014 | 000-24531 |