X0206 3 2013-08-21 0 0001311596 Regado Biosciences Inc RGDO 0001579210 Gopka Anton 120 MOUNTAIN VIEW BOULEVARD BASKING RIDGE NJ 07920 1 0 1 0 Series E Preferred Stock 2012-12-18 Common Stock, par value $0.001 per share 941241 I See footnote Series E Preferred Stock 2013-04-26 Common Stock, par value $0.001 per share 428747 I See footnote The shares of Series E Preferred Stock have no expiration date and shall automatically convert upon the consummation of the Issuer's initial public offering at a conversion ratio of 1 share of Series E Preferred Stock to 0.05988024 shares of common stock, for no additional consideration. The reportable securities are directly held by RMI Investments, S.a.r.l ("RMII"). The Reporting Person is a managing director of D-Pharma, the management company of RusnanoMedInvest, LLC ("RMI LLC"). RMII is a wholly-owned subsidiary of RMI LLC. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report is not an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. /s/ Anton Gopka 2013-08-21