X0202 4 2007-02-05 0 0000874238 STERLING CONSTRUCTION CO INC STRL 0001017996 ABERNATHY JOHN D 1840 TURNBULL LAKES DR NEW SMYRNA BEACH FL 32168 1 0 0 0 Common stock 2007-02-05 4 M 0 10000 0.875 A 20203 D Common stock 2007-02-05 4 S 0 400 20.86 D 19803 D Common stock 2007-02-05 4 S 0 1100 20.87 D 18703 D Common stock 2007-02-05 4 S 0 708 20.88 D 17995 D Common stock 2007-02-05 4 S 0 592 20.89 D 17403 D Common stock 2007-02-05 4 S 0 1400 20.90 D 16003 D Common stock 2007-02-05 4 S 0 300 20.91 D 15703 D Common stock 2007-02-05 4 S 0 200 20.94 D 15503 D Common stock 2007-02-05 4 S 0 200 20.95 D 15303 D Common stock 2007-02-05 4 S 0 500 20.96 D 14803 D Common stock 2007-02-05 4 S 0 100 21.0 D 14703 D Common stock 2007-02-05 4 S 0 100 21.01 D 14603 D Common stock 2007-02-05 4 S 0 900 21.04 D 13703 D Common stock 2007-02-05 4 S 0 400 21.09 D 13303 D Common stock 2007-02-05 4 S 0 100 21.10 D 13203 D Common stock 2007-02-05 4 S 0 100 21.13 D 13103 D Common stock 2007-02-05 4 S 0 100 21.14 D 13003 D Common stock 2007-02-05 4 S 0 2 21.16 D 13001 D Common stock 2007-02-05 4 S 0 98 21.17 D 12903 D Common stock 2007-02-05 4 S 0 892 21.27 D 12011 D Common stock 2007-02-05 4 S 0 216 21.28 D 11795 D Common stock 2007-02-05 4 S 0 292 21.29 D 11503 D Common stock 2007-02-05 4 S 0 200 21.30 D 11303 D Common stock 2007-02-05 4 S 0 200 21.32 D 11103 D Common stock 2007-02-05 4 S 0 100 21.35 D 11003 D Common stock 2007-02-05 4 S 0 100 21.37 D 10903 D Common stock 2007-02-05 4 S 0 400 21.50 D 10503 D Common stock 2007-02-05 4 S 0 200 21.51 D 10303 D Common stock 2007-02-05 4 S 0 100 21.54 D 10203 D Stock Option (right to buy) 0.875 2007-02-05 4 M 0 10000 0 D 1998-01-13 2008-01-13 Common stock 10000 25000 D These shares were sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on June 5, 2006 Karen A. Stempinski, under POA 2007-02-05