X0306 4/A 2014-02-05 2014-02-06 0 0000874238 STERLING CONSTRUCTION CO INC STRL 0001500905 MANNING BRIAN R 20810 FERNBUSH LANE HOUSTON TX 77073 0 1 0 0 Exec. VP & CBDO Common Stock 2014-02-05 4 A 0 2189 0 A 270860 D Common Stock 34079 I Held in a trust Common Stock 204474 I Held in a trust These shares were awarded to the Reporting Person by the Company as incentive compensation pursuant to the Company's 2013 Incentive Compensation Plan. The shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances. These shares are held in a trust for the Reporting Person's benefit of which he is a co-trustee. These shares are held in six separate trusts of which the Reporting Person is a co-trustee, but in which he has no pecuniary interest. Roger M. Barzun, under a Power of Attorney 2014-03-20