Exhibit 10.11 COMMERCIAL TENANCY-AT-WILL AGREEMENT THIS COMMERCIAL TENANCY AT WILL AGREEMENT ("AGREEMENT") is entered into as of March 14, 2005 by and between 1600 Osgood St., LLC, a Massachusetts Limited Liability Company, ("LANDLORD") and NxSTAGE...Commercial Tenancy-at-Will Agreement • July 19th, 2005 • NxStage Medical, Inc.
