Steel Dynamics (STLD) COO disposes shares to cover tax liability

Rhea-AI Filing Summary

Steel Dynamics, Inc. President and COO Barry Schneider reported two tax-related share dispositions, using 1,642 and 1,334 shares of common stock to cover taxes due upon vesting of previously granted restricted stock units. After these Rule 16b-3 exempt transactions, he directly holds 232,781 common shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider SCHNEIDER BARRY

Role President and COO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,642	$196.01	$322K
Tax Withholding	Common Stock	1,334	$193.39	$258K

Holdings After Transaction: Common Stock — 232,781 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SCHNEIDER BARRY

(Last) (First) (Middle)

7575 W. JEFFERSON BLVD.

(Street)

FORT WAYNE IN 46804

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
STEEL DYNAMICS INC [ STLD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and COO

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/23/2026		F		1,334(1)	D	$193.39	234,423	D
Common Stock	02/24/2026		F		1,642(1)	D	$196.01	232,781	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

	/s/ Barry Schneider	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did STLD’s President and COO report?

Barry Schneider reported two dispositions of Steel Dynamics common stock to cover taxes on vested restricted stock units. These tax-withholding transactions used 1,642 and 1,334 shares and are exempt under Rule 16b-3 as they were made directly to the issuer.

Were the recent STLD insider transactions open-market sales?

No, the reported STLD insider transactions were not open-market sales. They were dispositions of shares back to the issuer solely to cover taxes upon vesting of previously issued restricted stock units, as described in the filing footnote under Rule 16b-3.

How many STLD shares did Barry Schneider use to cover taxes?

Barry Schneider used 1,642 and 1,334 STLD common shares in two separate transactions to cover tax liabilities on vesting restricted stock units. These dispositions were effected at prices of $196.01 and $193.39 per share, respectively, according to the Form 4 data.

How many STLD shares does Barry Schneider hold after these transactions?

After the most recent tax-withholding disposition, Barry Schneider directly holds 232,781 shares of Steel Dynamics common stock. This figure reflects his ownership following the 1,642-share disposition dated February 24, 2026, as reported in the non-derivative transaction table.

What does transaction code “F” mean in the STLD Form 4?

Transaction code “F” on the STLD Form 4 indicates payment of an exercise price or tax liability by delivering securities. In this case, shares were delivered back to Steel Dynamics to satisfy tax obligations related to vesting restricted stock units, not sold on the market.