| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Nov 20, 2025 | Nov 18, 2025 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | Jul 23, 2025 | Jul 21, 2025 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | Dec 23, 2024 | Dec 19, 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | Dec 20, 2024 | Dec 18, 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | Jul 24, 2024 | Jul 22, 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | Jul 22, 2024 | Jul 18, 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | Jul 18, 2024 | Jul 17, 2024 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 1, 2024 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 27, 2023 | Dec 22, 2023 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2023 | Dec 4, 2023 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 19, 2023 | Jul 17, 2023 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 23, 2023 | Jun 22, 2023 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 7, 2023 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2022 | Dec 13, 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 8, 2022 | Dec 6, 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 20, 2022 | Jul 18, 2022 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 11, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 19, 2022 | Jan 14, 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 12, 2022 | Jan 10, 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2021 | Dec 8, 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 25, 2021 | Oct 21, 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 22, 2021 | Oct 20, 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 21, 2021 | Jul 19, 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2021 | Jun 14, 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 28, 2021 | Apr 27, 2021 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 4, 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2020 | Dec 11, 2020 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 23, 2020 | Jul 21, 2020 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 10, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 18, 2019 | Dec 18, 2019 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 24, 2019 | Jul 22, 2019 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2018 | Dec 14, 2018 | 000-12906 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 22, 2018 | Aug 20, 2018 | 000-12906 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 22, 2018 | Aug 20, 2018 | 000-12906 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 11, 2017 | Oct 9, 2017 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | AMENDED ACQUISITION OF BENEFICIAL OWNERSHIP | Jan 6, 2017 | ||
| SC 13G/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13G | Aug 29, 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2014 | Aug 15, 2014 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jan 30, 2014 |