Miguel Alvarez - 21 Nov 2025 Form 4 Insider Report for STEEL DYNAMICS INC (STLD)

Role: Senior Vice President
Signature: /s/ Miguel Alvarez
Issuer symbol: STLD
Transactions as of: 21 Nov 2025
Transactions value $: -$31,388
Form type: 4
Filing time: 25 Nov 2025, 08:18:21 UTC
Previous filing: 30 Oct 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	25 Nov 2025	0001767177

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STLD	Common Stock	Award	$0	+341	+0.29%	$0.00	117K	21 Nov 2025	Direct	F1
transaction	STLD	Common Stock	Tax liability	-$31.4K	-205	-0.17%	$153.11	117K	21 Nov 2025	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Issuer's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the Issuer's common stock shown in Column 4.
F2	Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.

Content

Represents grant of restricted stock units equal to the same number of underlying shares, received as an award under the Issuer's equity incentive plan, for no consideration, and exempt from Section 16(b) by virtue of Rule 16b-3(d)(1) and (3). The restricted stock units are subject to a two year vesting requirement, following which settlement is to be made solely in the same number of shares of the Issuer's common stock shown in Column 4.

Represents disposition to issuer to cover taxes payable upon vesting of previously issued and reported restricted stock units, exempt pursuant to Rule 16b-3.