| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2025 | Jun 16, 2025 | 000-03134 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Aug 22, 2024 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2024 | Jun 26, 2024 | 000-03134 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | May 9, 2024 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Mar 6, 2024 | ||
| 4 | Open Document | Open Filing | 4 | Nov 3, 2023 | Nov 1, 2023 | 001-15103 |
| 4 | Open Document | Open Filing | 4 | Sep 19, 2023 | Sep 15, 2023 | 001-15103 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 19, 2023 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2023 | May 31, 2023 | 000-03134 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | May 24, 2023 | ||
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 23, 2023 | May 5, 2023 | 001-15103 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2023 | May 5, 2023 | 001-15103 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Nov 22, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 21, 2022 | Nov 17, 2022 | 001-15103 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 16, 2022 | Nov 14, 2022 | 001-15103 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Aug 25, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 24, 2022 | Aug 22, 2022 | 001-15103 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 27, 2022 | Jun 21, 2022 | 001-15103 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2022 | Jun 14, 2022 | 000-03134 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jun 8, 2022 | Jun 3, 2022 | 001-15103 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Jun 8, 2022 | Jun 3, 2022 | 001-15103 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2022 | Jun 3, 2022 | 001-15103 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 7, 2022 | Jun 3, 2022 | 001-15103 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jun 7, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2022 | May 9, 2022 | 001-39704 |
| SC 13D | Open Document | Open Filing | SC 13D | May 2, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jun 23, 2021 | Jun 22, 2021 | 000-03134 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 16, 2020 | Nov 16, 2020 | 001-39704 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2020 | Jun 10, 2020 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 20, 2020 | Mar 18, 2020 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2019 | May 9, 2019 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2018 | May 10, 2018 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2017 | May 11, 2017 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2016 | May 19, 2016 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 18, 2015 | Sep 16, 2015 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2015 | Jun 5, 2015 | 000-03134 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2014 | Jun 12, 2014 | 000-03134 |