0001969223-23-000419.txt : 20231107 0001969223-23-000419.hdr.sgml : 20231107 20231107131237 ACCESSION NUMBER: 0001969223-23-000419 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231107 DATE AS OF CHANGE: 20231107 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: STEEL DYNAMICS INC CENTRAL INDEX KEY: 0001022671 STANDARD INDUSTRIAL CLASSIFICATION: STEEL WORKS, BLAST FURNACES ROLLING MILLS (COKE OVENS) [3312] IRS NUMBER: 351929476 STATE OF INCORPORATION: IN FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 000-21719 FILM NUMBER: 231382757 BUSINESS ADDRESS: STREET 1: 7575 W JEFFERSON BLVD CITY: FORT WAYNE STATE: IN ZIP: 46804 BUSINESS PHONE: 260 459 3553 MAIL ADDRESS: STREET 1: 7575 W JEFFERSON BLVD CITY: FORT WAYNE STATE: IN ZIP: 46804 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Seaman Bradley S CENTRAL INDEX KEY: 0001597069 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 161 SHAWFORD WAY CITY: LAKE FOREST STATE: IL ZIP: 60045 144 1 primary_doc.xml 144 0001597069 XXXXXXXX LIVE 0001022671 Steel Dyanmics Inc 000-21719 7575 W Jefferson Blvd Fort Wayne IN 46804 2609693500 Bradley Seaman Director Common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

4717 517926.6 165644387 11/07/2023 NASDAQ Common 03/11/2020 Open Market Purchase Steel Dynamics Inc. N 3000 03/11/2020 Purchase Common 06/01/2023 Restricted Stock Award Steel Dynamics Inc. N 1717 06/01/2023 Stock Award Y 11/07/2023 /s/ UBS Financial Services Inc, as attorney-in-fact for Bradley Seaman