0001195948-03-000003 4 1 20030617 20030618 BUSSE KEITH E 0001195948 4 34 000-21719 03748351 6714 POINTE INVERNESS WAY FORT WAYNE IN 46804 STEEL DYNAMICS INC 0001022671 3312 351929476 IN 1231 7030 POINTE INVERNESS WAY SUITE 310 FORT WAYNE IN 46804 2194593553 7030 POINTE INVERNERSS WAY SUITE 310 FORT WAYNE IN 46804 4 1 edgar.xml PRIMARY DOCUMENT