Results of Operations and Financial Condition.

On February 28, 2017, NxStage Medical, Inc. issued a press release announcing its financial results for the quarter and year ended December 31, 2016, which is furnished as Exhibit 99 to this report.

The information furnished in this report, including Exhibit 99, shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act or the Exchange Act.

Item 9.01 Financial Statements and Exhibits.

The exhibit listed in the Exhibit Index is furnished as part of this report.

About NxSTAGE MEDICAL, INC. (NASDAQ:NXTM)

NxStage Medical, Inc. is a medical technology company. The Company is engaged in the development, manufacturing and marketing of products and services for patients suffering from chronic or acute kidney failure. The Company operates through three segments: System One, In-Center and Services. It offers its products and services to various markets, such as home, critical care and in-center. The System One segment is engaged in the sale and rental of the System One and PureFlow SL dialysate preparation equipment, and the sale of disposable products in the home and critical care markets. The In-Center segment is engaged in the sale of blood tubing sets and needles for hemodialysis, primarily for the treatment of end-stage renal disease (ESRD) patients at dialysis clinics, and needles for apheresis. The Services segment offers dialysis services provided to patients at its NxStage Kidney Care dialysis centers.

NxSTAGE MEDICAL, INC. (NASDAQ:NXTM) Recent Trading Information

NxSTAGE MEDICAL, INC. (NASDAQ:NXTM) closed its last trading session 00.00 at 29.49 with 632,790 shares trading hands.