| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Jan 28, 2025 | Jan 24, 2025 | 000-23837 |
| 4 | Open Document | Open Filing | 4 | Feb 12, 2024 | Feb 8, 2024 | 000-23837 |
| 4 | Open Document | Open Filing | 4 | Feb 7, 2024 | Feb 5, 2024 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2023 | Feb 9, 2023 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2022 | Feb 28, 2022 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 14, 2022 | Feb 10, 2022 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 26, 2021 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2021 | Feb 11, 2021 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2020 | Feb 13, 2020 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2019 | Feb 13, 2019 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 30, 2018 | Aug 28, 2018 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2018 | Aug 16, 2018 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2018 | Mar 29, 2018 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2018 | Feb 22, 2018 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2017 | Feb 14, 2017 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2016 | Aug 15, 2016 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2016 | Aug 1, 2016 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2016 | May 31, 2016 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2016 | May 27, 2016 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2016 | May 16, 2016 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 22, 2015 | Dec 18, 2015 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 9, 2014 | Dec 4, 2014 | 000-02382 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 5, 2014 | Dec 3, 2014 | 000-23837 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 15, 2014 | Aug 13, 2014 | 000-02382 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Aug 15, 2014 | Aug 12, 2014 | 000-02382 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 13, 2014 | Aug 12, 2014 | 000-02382 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Jul 14, 2014 | Jul 2, 2014 | 000-02382 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 7, 2014 | Jul 2, 2014 | 000-02382 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2014 | May 8, 2014 | 000-23837 |