Ryerson Holding Corp (RYI) insider reports new RSU dividend equivalents

Rhea-AI Filing Summary

Ryerson Holding Corp’s chief information officer reported routine equity compensation adjustments. On December 18, 2025, the officer received additional restricted stock units as dividend equivalent rights tied to previously granted RSU awards. The new credits were for 15.033, 29.404, and 48.643 restricted stock units, each at a price of $0, increasing the officer’s beneficially owned RSUs to 2,089.852, 4,087.901, and 6,762.591 units for the respective awards. These dividend equivalents vest on the same schedules as the underlying RSUs, with unvested awards and related dividend rights scheduled to vest on March 31, 2026, March 31, 2027, and March 31, 2028.

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

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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^*

Sundarrajan Alagu

(Last) (First) (Middle)

C/O RYERSON HOLDING CORPORATION

227 W. MONROE ST., 27TH FLOOR

(Street)

CHICAGO IL 60606

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Ryerson Holding Corp [ RYI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/18/2025

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

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
Restricted Stock Units	(1)	12/18/2025		A		15.033(2)		(3)	(3)	Common Stock	15.033	$0	2,089.852	D
Restricted Stock Units	(1)	12/18/2025		A		29.404(2)		(4)	(4)	Common Stock	29.404	$0	4,087.901	D
Restricted Stock Units	(1)	12/18/2025		A		48.643(2)		(5)	(5)	Common Stock	48.643	$0	6,762.591	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").

2. Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate.

3. The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of December 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026.

4. The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of December 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026 and March 31, 2027.

5. The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of December 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026, March 31, 2027 and March 31, 2028.

	/s/ Camilla Rykke Merrick, attorney-in-fact	12/22/2025
	** Signature of Reporting Person	Date
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FAQ

What insider transaction did Ryerson Holding Corp (RYI) disclose in this Form 4?

The filing shows the chief information officer of Ryerson Holding Corp received additional restricted stock units (RSUs) on December 18, 2025 as dividend equivalent rights on existing RSU awards.

How many new restricted stock units did the Ryerson CIO receive on December 18, 2025?

The officer was credited with 15.033, 29.404, and 48.643 restricted stock units as dividend equivalent rights, all at a price of $0 per unit.

What are dividend equivalent rights in this Ryerson (RYI) insider filing?

The filing explains that each dividend equivalent right represents additional RSUs that accrue when and as dividends are paid on the common shares underlying the applicable RSUs, and they vest, settle, and expire on the same terms as those underlying RSUs.

When will the reported Ryerson restricted stock units and dividend equivalents vest?

The filing states that the unvested RSUs and related dividend equivalent rights will vest on March 31, 2026 (for 2023 and 2025 grants), and on March 31, 2026, March 31, 2027, and March 31, 2028 for the 2024 and 2025 grant-related awards.

What is the officer’s role and relationship to Ryerson Holding Corp in this Form 4?

The reporting person is identified as an officer of Ryerson Holding Corp, serving as Chief Information Officer, and is filing individually as a single reporting person.

Did the Ryerson insider pay anything for the new dividend equivalent RSUs?

No cash was paid for these awards; the filing lists a $0 price for each block of restricted stock units received as dividend equivalent rights.