STEEL DYNAMICS INC - Director's Dealing 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEEL DYNAMICS INC (STLD)
CIK: 0001022671
Period of Report: 2012-12-19

Reporting Person: BUSSE KEITH E (Director)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-19	Common Stock	S	2400	$13.80	Disposed	1279778	Direct
2012-12-19	Common Stock	S	1200	$13.81	Disposed	1278578	Direct
2012-12-19	Common Stock	S	2100	$13.82	Disposed	1276478	Direct
2012-12-19	Common Stock	S	7300	$13.83	Disposed	1269178	Direct
2012-12-19	Common Stock	S	10700	$13.84	Disposed	1258478	Direct
2012-12-19	Common Stock	S	2300	$13.85	Disposed	1256178	Direct
2012-12-19	Common Stock	S	1100	$13.86	Disposed	1255078	Direct
2012-12-19	Common Stock	S	3182	$13.87	Disposed	1251896	Direct
2012-12-19	Common Stock	S	3826	$13.88	Disposed	1248070	Direct
2012-12-19	Common Stock	S	6964	$13.89	Disposed	1241106	Direct
2012-12-19	Common Stock	S	11728	$13.90	Disposed	1229378	Direct
2012-12-19	Common Stock	S	6900	$13.91	Disposed	1222478	Direct
2012-12-19	Common Stock	S	3223	$13.92	Disposed	1219255	Direct
2012-12-19	Common Stock	S	6177	$13.93	Disposed	1213078	Direct
2012-12-19	Common Stock	S	7400	$13.94	Disposed	1205678	Direct
2012-12-19	Common Stock	S	3200	$13.95	Disposed	1202478	Direct
2012-12-19	Common Stock	S	5200	$13.96	Disposed	1197278	Direct
2012-12-19	Common Stock	S	17800	$13.97	Disposed	1179478	Direct
2012-12-19	Common Stock	S	7851	$13.98	Disposed	1171627	Direct
2012-12-19	Common Stock	S	26156	$13.99	Disposed	1145471	Direct
2012-12-19	Common Stock	S	19274	$14.00	Disposed	1126197	Direct