| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM4-EHRMAN-120525 | Dec 5, 2025 | Dec 3, 2025 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-120325 | Dec 3, 2025 | Dec 1, 2025 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-112625 | Nov 26, 2025 | Nov 25, 2025 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-030425 | Mar 4, 2025 | Mar 3, 2025 | 000-50175 |
| 4/A | Open Document | Open Filing | FORM4A-EHRMAN-121724 | Dec 17, 2024 | Dec 3, 2024 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-121724 | Dec 17, 2024 | Dec 13, 2024 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-120524 | Dec 5, 2024 | Dec 3, 2024 | 000-50175 |
| 4 | Open Document | Open Filing | 061824EHRMAN | Jun 18, 2024 | Jun 17, 2024 | 000-50175 |
| 4 | Open Document | Open Filing | 022124FORM4-EHRMAN | Feb 21, 2024 | Dec 15, 2023 | 000-50175 |
| 4 | Open Document | Open Filing | 121523FORM4-EHRMAN | Dec 18, 2023 | Dec 15, 2023 | 000-50175 |
| 4 | Open Document | Open Filing | 111323EHRMAN | Nov 13, 2023 | Nov 10, 2023 | 000-50175 |
| 4 | Open Document | Open Filing | 121922EHRMAN | Dec 19, 2022 | Dec 15, 2022 | 000-50175 |
| 4 | Open Document | Open Filing | 111422EHRMAN | Nov 14, 2022 | Nov 10, 2022 | 000-50175 |
| 4 | Open Document | Open Filing | 031022FORM4-EHRMAN | Mar 10, 2022 | Mar 9, 2022 | 000-50175 |
| 4 | Open Document | Open Filing | 122021FORM4-EHRMAN | Dec 20, 2021 | Dec 20, 2021 | 000-50175 |
| 4 | Open Document | Open Filing | 120321FORM4-EHRMAN | Dec 7, 2021 | Dec 3, 2021 | 000-50175 |
| 4 | Open Document | Open Filing | 031821FORM4-EHRMAN | Mar 18, 2021 | Mar 16, 2021 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-061820 | Jun 18, 2020 | Jun 18, 2020 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-031320 | Mar 13, 2020 | Mar 12, 2020 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-030320 | Mar 3, 2020 | Mar 3, 2020 | 000-50175 |
| 4/A | Open Document | Open Filing | FORM4-EHRMAN-021020 | Feb 10, 2020 | Dec 2, 2019 | 000-50175 |
| 4 | Open Document | Open Filing | 120219FORM4-EHRMAN | Dec 4, 2019 | Dec 2, 2019 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-081619 | Aug 16, 2019 | Aug 15, 2019 | 000-50175 |
| 4 | Open Document | Open Filing | EHRMANFORM4-051319 | May 13, 2019 | May 10, 2019 | 000-50175 |
| 4 | Open Document | Open Filing | EHRMAN-FORM4-120618 | Dec 6, 2018 | Dec 4, 2018 | 000-50175 |
| 4 | Open Document | Open Filing | EHRMAN-FORM4-081818 | Aug 14, 2018 | Aug 13, 2018 | 000-50175 |
| 4 | Open Document | Open Filing | 051018FORM4-EHRMAN | May 10, 2018 | May 10, 2018 | 000-50175 |
| 4 | Open Document | Open Filing | 112717FORM4-EHRMAN | Nov 28, 2017 | Nov 27, 2017 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4EHRMAN11-17-17 | Nov 17, 2017 | Nov 16, 2017 | 000-50175 |
| 4 | Open Document | Open Filing | EHRMAN-FORM4-070517 | Jul 5, 2017 | Jun 30, 2017 | 000-50175 |
| 4 | Open Document | Open Filing | 030917FORM4EHRMAN | Mar 9, 2017 | Mar 9, 2017 | 000-50175 |
| 4 | Open Document | Open Filing | FORM4-EHRMAN-120516 | Dec 5, 2016 | Dec 1, 2016 | 000-50175 |
| 4 | Open Document | Open Filing | FORM 4 - EHRMAN | Nov 29, 2016 | Nov 29, 2016 | 000-50175 |
| 4 | Open Document | Open Filing | FORM 4-EHRMAN-082516 | Aug 25, 2016 | Aug 25, 2016 | 000-50175 |
| 4 | Open Document | Open Filing | EHRMAN-FORM4-052416 | May 24, 2016 | May 24, 2016 | 000-50175 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2016 | Mar 7, 2016 | 000-50175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2015 | Dec 16, 2015 | 000-50175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2015 | Nov 12, 2015 | 000-50175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2015 | Aug 12, 2015 | 000-50175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2015 | Jun 3, 2015 | 000-50175 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2015 | May 18, 2015 | 000-50175 |