Steel Dynamics director adds 143 shares via DSU dividend equivalents

Steel Dynamics (STLD) director reported an acquisition of 143 shares on 10/10/2025 at $0, reflecting dividend-equivalent deferred stock units (DSUs) under the company’s 2023 Equity Incentive Plan.

Rhea-AI Filing Summary

Steel Dynamics (STLD) director reported an acquisition of 143 shares on 10/10/2025 at $0, reflecting dividend-equivalent deferred stock units (DSUs) under the company’s 2023 Equity Incentive Plan.

After the transaction, the director beneficially owned 59,911 shares, held directly. The filing notes DSUs are payable solely in common stock and the dividend reinvestment feature qualifies the transaction as exempt under Section 16 rules.

Insider Trade Summary

Grant/Award: 143 shares

Grant/Award 1 txn

Insider DOLAN TRACI M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	143	$0.00	$0.00

Holdings After Transaction: Common Stock — 59,911 shares (Direct)

Footnotes (3)

1. F1. Represents the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the "Plan"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3).
2. F2. Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3).
3. F3. Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did STLD report in this Form 4?

A director reported acquiring 143 shares via dividend-equivalent DSUs on 10/10/2025 at $0 under the 2023 Equity Incentive Plan.

How many STLD shares does the reporting person own after the transaction?

The reporting person beneficially owned 59,911 shares directly following the reported transaction.

What is the nature of the security acquired by the STLD director?

Dividend-equivalent deferred stock units (DSUs) that are payable solely in shares of common stock upon settlement.

Was the STLD director’s transaction exempt from Section 16 rules?

Yes. The filing states the transaction is exempt under Rule 16a-11 and Rule 16b-3(d)(1) and (3), tied to dividend reinvestment features.

What was the transaction price reported?

The shares were reported at a price of $0, consistent with dividend-equivalent DSU crediting under the plan.

What plan governs the reported DSUs for STLD?

The company’s 2023 Equity Incentive Plan, alongside the existing Dividend Reinvestment Plan for dividend equivalents.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/14/2025 - 01:41 PM Learn about SEC filing dates

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).

1. Name and Address of Reporting Person^*

DOLAN TRACI M

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/10/2025

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	10/10/2025		A		143(1)(2)	A	$0	59,911(3)	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 the number of shares of common stock underlying additional deferred stock units (DSUs) issued to the reporting person as a dividend equivalent, in connection with this person's retainer as a director under the Company's 2023 Equity Incentive Plan (the "Plan"). This transaction is exempt from both the reporting requirements of Section 16(a), including Rule 16a-11, and the provisions of Section 16(b), by virtue of this dividend reinvestment feature of the Plan and the Company's existing Dividend Reinvestment Plan, as well as being exempt from Section 16(b) independently by virtue of Rule 16b-3(d)(1) and (3).

2. Reportable as directly owned shares of common stock, rather than as a derivative security in Table II, because any and all underlying DSUs are payable, at such time as they are to be settled, solely in shares of common stock. (See Lincoln National Corp. (March 20, 1992) Q.3).

3. Includes shares resulting from reinvestment of dividends on any underlying DSUs included in this total.

	/s/ Theresa E. Wagler by Power of Attorney	10/14/2025
	** 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.
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