X0306 4 2019-01-29 0001228627 REXAHN PHARMACEUTICALS, INC. RNN 0001417915 Price Ben Gil C/O REXAHN PHARMACEUTICALS, INC. 15245 SHADY GROVE ROAD, SUITE 455 ROCKVILLE MD 20850 true Common Stock 2019-01-29 4 P 0 15000 0.6094 A 15000 D The price of $0.6094 per share represents a weighted average of purchase prices ranging from $0.6016 to $0.6100 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. /s/ Douglas J. Swirsky, as attorney-in-fact for Ben Gil Price 2019-01-31