Press release content from Business Wire. The AP news staff was not involved in its creation. Athersys Announces Cooperation Agreement With HEALIOS K.K. February 16, 2021 GMT CLEVELAND--(BUSINESS WIRE)--Feb 16, 2021-- Athersys, Inc. (NASDAQ: ATHX), a regenerative medicine company developing MultiStem ® cell therapy, today announced that it has entered into a cooperation agreement with HEALIOS K.K. (“Healios”), the Company’s largest shareholder and one of its commercial partners, and Dr. Hardy TS Kagimoto, a member of the Company’s Board and the Chairman and Chief Executive Officer of...