CoMark Equity Alliance Data Breach – Investigated by Federman & Sherwood
Oklahoma City, Oklahoma (December 31, 2025) – Federman & Sherwood is investigating a data breach involving CoMark Equity Alliance, following a notification filed with the Maine Attorney General.
According to the filing, CoMark discovered that unauthorized access to its network occurred on or around March 18, 2025. The organization launched an investigation with the assistance of external cybersecurity professionals to assess the scope of the incident. The investigation concluded in December 2025.
The information potentially involved includes individuals’ full names and Social Security numbers. CoMark stated that it is not currently aware of any misuse of the affected information and has offered complimentary credit monitoring and identity protection services to impacted individuals.
Federman & Sherwood is investigating whether CoMark Equity Alliance maintained appropriate data security practices and safeguards and whether individuals impacted by the incident may have legal claims.
The compromised information may have included:
- Full name
- Social Security number
- Other sensitive information
What is CoMark Equity Alliance?
CoMark Equity Alliance (CEA) is a large, federally licensed grain marketing company that serves farmer-owned cooperatives across the U.S. Great Plains.
Those who received a data breach notification or believe their personal information may have been involved are encouraged to contact Federman & Sherwood at 1-800-237-1277 or via email at info@federmanlaw.com to discuss their legal rights.