X0306 4 2017-04-28 0 0000874238 STERLING CONSTRUCTION CO INC STRL 0001671928 CUTILLO JOSEPH A 1800 HUGHES LANDING BLVD. THE WOODLANDS TX 77380 1 1 0 0 Chief Executive Officer Common Stock 2017-04-28 4 A 0 50000 0 A 110272 D These shares were awarded to the Reporting Person by the Company in connection with his election as Chief Executive Officer of the Company. The shares are subject to restrictions on their sale or other transfer and to forfeiture under certain circumstances. Of these shares, 85,272 shares are subject to restrictions on their sale or other transfer, and to forfeiture under certain circumstances. Roger M. Barzun under a Power of Attorney 2017-05-02