X0306 4 2013-02-08 0000808326 EMCORE CORP EMKR 0001035939 RICHARDS REUBEN F JR C/O EMCORE CORP 10420 RESEARCH ROAD SE ALBUQUERQUE NM 87123 true true false false Exec Chairman & Chair of Board Common Stock 2013-02-08 4 D false 11000 6.5559 D 161886 D Common Stock 43750 I By Spouse Common Stock 2500 I By Spouse In Pension Fund Common Stock 2500 I By Trust For Benefit Of Daughter Reflects aggregate reporting of multiple open market transactions. The price reported is the weighted average sale price of sales ranging from $6.55 to $6.59 per share. The reporting person hereby undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each price. /s/ Alfredo Gomez, attorney-in-fact 2013-02-11