X0303 4 2010-05-25 0001022671 STEEL DYNAMICS INC STLD 0001075973 EDGERLEY PAUL B BAIN CAPITAL 111 HUNTINGTON AVENUE BOSTON MA 02199 1 0 0 0 Common Stock 2010-05-25 4 P 0 8400 13.88 A 44236 D Common Stock 2010-05-25 4 P 0 10700 13.89 A 54936 D Common Stock 2010-05-25 4 P 0 9900 13.90 A 64836 D Common Stock 2010-05-25 4 P 0 6800 13.91 A 71636 D Common Stock 2010-05-25 4 P 0 4200 13.92 A 75836 D Common Stock 2010-05-25 4 P 0 4100 13.93 A 79936 D Common Stock 2010-05-25 4 P 0 5900 13.94 A 85836 D Common Stock 2010-05-25 4 P 0 9600 13.95 A 95435 D Common Stock 2010-05-25 4 P 0 1500 13.96 A 96936 D Common Stock 2010-05-25 4 P 0 2900 19.97 A 99836 D Common Stock 2010-05-25 4 P 0 1200 13.98 A 101036 D Common Stock 2010-05-25 4 P 0 1400 13.99 A 102436 D Common Stock 2010-05-25 4 P 0 7400 14.00 A 109836 D Common Stock 2010-05-26 4 P 0 704 13.88 A 110540 D Common Stock 2010-05-26 4 P 0 13100 13.89 A 123640 D Common Stock 2010-05-26 4 P 0 6300 13.90 A 129940 D Common Stock 2010-05-26 4 P 0 11700 13.91 A 141640 D Common Stock 2010-05-26 4 P 0 28700 13.92 A 170340 D Common Stock 2010-05-26 4 P 0 15316 13.93 A 185656 D Common Stock 2010-05-26 4 P 0 16400 13.94 A 202056 D Common Stock 2010-05-26 4 P 0 14400 13.95 A 216456 D Common Stock 2010-05-26 4 P 0 11044 13.96 A 227500 D Common Stock 2010-05-26 4 P 0 52236 13.98 A 279736 D Common Stock 2010-05-26 4 P 0 15200 13.99 A 294936 D Common Stock 2010-05-26 4 P 0 40900 14.00 A 335836 D Paul B. Edgerley 2010-05-27