Ra Pharma® is a clinical-stage biopharmaceutical company using a proprietary peptide chemistry platform to develop novel therapeutics for the treatment of serious diseases that are caused by excessive or uncontrolled activation of the complement system, a critical component of the immune system.

NASDAQ RARX (Common Stock)
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Stock chart for: RARX.O.  Currently trading at $16.36 with a 52 week high of $17.90 and a 52 week low of $4.78.

Recent News

Ra Pharma Announces Completion of End-of-Phase 2 Interactions with FDA and Design of Phase 3 PNH Program

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Contact Us

Ra Pharmaceuticals, Inc.
87 Cambridge Park Drive
Cambridge, MA 02140
Phone: (617) 401-4060
Fax: (617) 401-4061