Miguel Alvarez - 29 Oct 2025 Form 4 Insider Report for STEEL DYNAMICS INC (STLD)

Role: Senior Vice President
Signature: /s/ Miguel Alvarez
Issuer symbol: STLD
Transactions as of: 29 Oct 2025
Transactions value $: -$1,343,180
Form type: 4
Filing time: 30 Oct 2025, 11:42:25 UTC
Previous filing: 20 May 2025
Next filing: 25 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Alvarez Miguel	Senior Vice President	7575 W. JEFFERSON BLVD., FORT WAYNE	/s/ Miguel Alvarez	30 Oct 2025	0001767177

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STLD	Common Stock	Sale	-$1.34M	-8.25K	-6.58%	$162.79	117K	29 Oct 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.61 to $163.22, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder of Steel Dynamics, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

Content

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $162.61 to $163.22, inclusive. The reporting person undertakes to provide to Steel Dynamics, Inc., any securityholder of Steel Dynamics, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.