X0303 4 2011-02-18 0 0000808326 EMCORE CORP EMKR 0001265677 WEINSWIG MARK C/O EMCORE CORPORATION 10420 RESEARCH ROAD, SE ALBUQUERQUE NM 87123 0 1 0 0 Chief Financial Officer Common Stock 2011-02-18 4 A 0 625 2.40 A 625 D Shares were purchased under the Company's Director and Officer Share Purchase Plan in a transaction exempt from Section 16b pursuant to Rule 16b-3(d). /s/ Alfredo Gomez, attorney-in-fact 2011-02-23