X0202 4 2005-09-12 0 0000874238 STERLING CONSTRUCTION CO INC STV 0001017999 DAVIES ROBERT M 2751 CENTERVILLE ROAD, SUITE 3131 WILMINGTON DE 19803 1 0 0 0 Common Stock 2005-09-12 4 S 0 10700 24.05 D 118600 D Common Stock 2005-09-12 4 S 0 100 24.04 D 118500 D Common Stock 2005-09-12 4 S 0 1000 24.03 D 117500 D Common Stock 2005-09-12 4 S 0 100 24.02 D 117400 D Common Stock 2005-09-12 4 S 0 5200 24 D 112200 D Common Stock 2005-09-12 4 S 0 5000 23.99 D 107200 D Common Stock 2005-09-12 4 S 0 700 23.98 D 106500 D Common Stock 2005-09-12 4 S 0 1600 23.97 D 104900 D Common Stock 2005-09-12 4 S 0 700 23.96 D 104200 D Common Stock 2005-09-12 4 S 0 2000 23.95 D 102200 D Common Stock 2005-09-12 4 S 0 1300 23.92 D 100900 D Common Stock 2005-09-12 4 S 0 400 23.91 D 100500 D Common Stock 2005-09-12 4 S 0 5500 23.9 D 95000 D Common Stock 2005-09-12 4 S 0 3200 23.89 D 91800 D Common Stock 2005-09-12 4 S 0 1700 23.88 D 90100 D Common Stock 2005-09-12 4 S 0 4500 23.87 D 85600 D Common Stock 2005-09-12 4 S 0 1000 23.86 D 84600 D Common Stock 2005-09-12 4 S 0 4100 23.85 D 80500 D Common Stock 2005-09-12 4 S 0 300 23.84 D 80200 D Common Stock 2005-09-12 4 S 0 500 23.83 D 79700 D Common Stock 2005-09-12 4 S 0 2400 23.82 D 77300 D Common Stock 2005-09-12 4 S 0 800 23.81 D 76500 D Common Stock 2005-09-12 4 S 0 1200 23.8 D 75300 D Common Stock 2005-09-12 4 S 0 100 23.79 D 75200 D Common Stock 2005-09-12 4 S 0 700 23.78 D 74500 D Common Stock 2005-09-12 4 S 0 520 23.76 D 73980 D Common Stock 2005-09-12 4 S 0 7880 23.75 D 66100 D Common Stock 2005-09-12 4 S 0 6500 23.7 D 59600 D Common Stock 2005-09-12 4 S 0 5100 23.69 D 54500 D Common Stock 2005-09-12 4 S 0 100 23.68 D 54400 D This report is the second of three reports, each on a separate Form 4 but all relating to the Reporting Person's transactions on 9/12/05. Karen A. Stempinski, under POA for Robert M. Davies 2005-09-14