X0306 5 2016-12-31 0 0 0001316175 Anthera Pharmaceuticals Inc ANTH 0001663298 Olson Charles V 25801 INDUSTRIAL BLVD. SUITE B HAYWARD CA 94545 false true false false CHIEF TECHNOLOGY OFFICER Common Stock 2016-06-30 5 A false 1789 2.63 A 9752 D Common Stock 2017-01-11 5 A false 7767 0.55 A 17519 D Represents 1,789 shares acquired under the Issuer's 2010 Employee Stock Purchase Plan for the offering period ended June 30, 2016. Represents 7,767 shares acquired under the Issuer's 2010 Employee Stock Purchase Plan for the offering period ended December 31, 2016. /s/ CHUCK OLSON 2017-02-06