STEEL DYNAMICS INC — Director's Dealing 2025

Nov 25, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: STEEL DYNAMICS INC (STLD)
CIK: 0001022671
Period of Report: 2025-11-21

Reporting Person: MILLETT MARK D (Director, Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-21	Common Stock	A	569	—	Acquired	2989510	Direct
2025-11-21	Common Stock	F	253	$153.11	Disposed	2989257	Direct

Footnotes

F1: Represents grant of restricted stock, in lieu of restricted stock units because of reporting person's age, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3), subject, however, to a two year holding period.

F2: Represents disposition to issuer to cover taxes payable upon issuance of shares reported in footnote (1), exempt pursuant to Rule 16b-3.