The three Cosi stores in central Ohio have closed. The fast-casual chain, known for its freshly baked flatbread, filed for Chapter 11 bankruptcy reorganization Wednesday and shut down 29 of its 74 company-owned locations nationwide.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-BUSINESS","nativepaywallcategory" : "NATIVE_PREM-BUSINESS"};