Exhibit 10.31 STOCK PURCHASE AGREEMENT This Stock Purchase Agreement, dated as of February 7, 2007, is made and entered into by and between NxStage Medical, Inc., a Delaware corporation (the "Company"), and DaVita Inc., a Delaware corporation (the...Stock Purchase Agreement • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Delaware
Exhibit 10.5 NxStage Medical, Inc. Restricted Stock Agreement Granted Under 2005 Stock Incentive Plan AGREEMENT made this ____ day of _____________, 200[ ], between NxStage Medical, Inc., a Delaware corporation (the "Company"), and...Restricted Stock Agreement • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Delaware
Exhibit 10.27 Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. SUPPLY AGREEMENT This Supply Agreement (the "AGREEMENT") is entered into by and between: NXSTAGE MEDICAL, INC.,...Supply Agreement • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Delaware
Exhibit 10.10 EMPLOYMENT AGREEMENT ROBERT S. BROWN THIS EMPLOYMENT AGREEMENT (the "Agreement") is entered into this 27th day of November 2006 (the "Effective Date") by and between NxStage Medical, Inc. (the "Company"), a Delaware corporation with its...Employment Agreement • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Massachusetts
Exhibit 10.32 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "Agreement") is made and entered into as of February 7, 2007, by and among NxStage Medical, Inc., a Delaware corporation (the "Company"), and DaVita Inc., a Delaware...Registration Rights Agreement • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Delaware
Exhibit 10.28 NxSTAGE/MEDISYSTEMS DISPOSABLES SUPPLY AGREEMENT This agreement ("Agreement"), dated as of January 1, 2007 (the "Effective Date"), is between NxStage Medical, Inc., a Delaware corporation with offices at 439 S. Union Street, 5th Floor,...Medisystems Disposables Supply Agreement • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Washington
NXSTAGE MEDICAL, INC. DAVITA INC. NATIONAL SERVICE PROVIDER AGREEMENT Date of Agreement: February 7, 2007 ("Effective Date")Preferred Provider • March 16th, 2007 • NxStage Medical, Inc. • Electromedical & electrotherapeutic apparatus • Delaware
