Steel Dynamics director receives 97-share award

The DSUs are payable solely in common shares when settled, and the reported position includes dividend reinvestment on underlying DSUs.

Rhea-AI Filing Summary

Steel Dynamics Inc. director Traci M. Dolan received additional deferred stock units (DSUs) representing 97 shares of common stock on October 9, 2026, as a dividend equivalent tied to her director retainer under the company's 2023 Equity Incentive Plan. Her reported post-transaction position was 59,067 shares; that total includes shares from dividend reinvestment on underlying DSUs.

Insider Trade Summary

Grant/Award: 97 shares

Grant/Award 1 txn

Insider DOLAN TRACI M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2, F3	97	$0.00	$0.00

Holdings After Transaction: Common Stock — 59,067 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.

Key Figures

Shares represented by DSUs: 97 shares Reported transaction price: $0.0000 per share Reported post-transaction position: 59,067 shares

3 metrics

Shares represented by DSUs 97 shares Dividend-equivalent award reported October 9, 2026

Reported transaction price $0.0000 per share DSU award reported October 9, 2026

Reported post-transaction position 59,067 shares Includes shares resulting from dividend reinvestment on underlying DSUs

Key Terms

deferred stock units (DSUs), dividend equivalent, Dividend Reinvestment Plan

3 terms

deferred stock units (DSUs) financial

"additional deferred stock units (DSUs) issued to the reporting person"

Deferred stock units (DSUs) are a form of long-term pay that promises an employee or director future company shares or cash equal to the share value at a later date, usually after leaving the company or at a set vesting time. Think of them as a delayed paycheck tied to the stock: they align recipients’ interests with long-term share performance and matter to investors because they create potential future dilution and signal how management is rewarded and incentivized.

dividend equivalent financial

"as a dividend equivalent, in connection with this person's retainer"

A dividend equivalent is a payment someone receives that matches the cash dividends paid on a stock, even though they don’t actually hold the shares. It often shows up in stock-based pay or certain derivatives, and matters to investors because it preserves the income value and alters the after-tax return and timing of payouts — think of it like getting a paycheck for the dividends you would have earned if you owned the stock directly.

Dividend Reinvestment Plan financial

"the Company's existing Dividend Reinvestment Plan"

A dividend reinvestment plan lets shareholders automatically use cash dividends to buy more shares of the same company instead of receiving the money. It matters to investors because it turns regular payouts into a steady way to grow ownership and take advantage of compound returns—like having your savings automatically buy additional slices of a pie over time—while often reducing transaction costs and smoothing purchase timing.

FAQ

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

Why did STLD report Traci M. Dolan’s DSUs as common stock?

The underlying DSUs are payable, when settled, solely in shares of common stock, so the transaction was reported as directly owned common stock rather than as a derivative security. The reported post-transaction position also includes shares resulting from dividend reinvestment on underlying DSUs.

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

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Available on EDGAR 10/09/2026 - 03:51 PM EDT Accepted by SEC EDGAR 10/09/2026 - 03:50 PM EDT 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).

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^*

DOLAN TRACI M

(Last) (First) (Middle)

7575 W. JEFFERSON BLVD.

(Street)

FORT WAYNE INDIANA 46804

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/09/2026

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

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

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

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	10/09/2026		A		97(1)(2)	A	$0	59,067(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	10/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)