Ryerson Boosts Executive Retention with Multi-Year RSU Package for Tech Leader

Rhea-AI Filing Summary

Ryerson Holding Corporation's Chief Information Officer Alagu Sundarrajan received dividend equivalent rights on existing restricted stock units (RSUs) on June 18, 2025. The transactions include:

• 18.601 RSUs from March 2023 grant, vesting March 31, 2026
• 36.384 RSUs from March 2024 grant, vesting in two tranches through March 31, 2027
• 60.19 RSUs from March 2025 grant, vesting in three tranches through March 31, 2028

These dividend equivalent rights accrue when dividends are paid on common shares and vest according to the same schedule as their underlying RSUs. Following these transactions, Sundarrajan beneficially owns 2,058.206 RSUs from the 2023 grant, 4,026.001 RSUs from the 2024 grant, and 6,660.19 RSUs from the 2025 grant, all held directly. The dividend equivalents were granted at $0 cost to the executive.

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)
06/18/2025

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)	06/18/2025		A		18.601(2)		(3)	(3)	Common Stock	18.601	$0	2,058.206	D
Restricted Stock Units	(1)	06/18/2025		A		36.384(2)		(4)	(4)	Common Stock	36.384	$0	4,026.001	D
Restricted Stock Units	(1)	06/18/2025		A		60.19(2)		(5)	(5)	Common Stock	60.19	$0	6,660.19	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 June 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 June 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 June 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	06/23/2025
	** 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.
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

How many Restricted Stock Units (RSUs) did RYI's CIO Alagu Sundarrajan receive in June 2025?

According to the Form 4 filing, Alagu Sundarrajan received three separate dividend equivalent rights on existing RSUs: 18.601 units, 36.384 units, and 60.19 units, totaling 115.175 RSUs. These were granted on June 18, 2025 as dividend equivalent rights on previously awarded RSU grants.

When do RYI CIO Sundarrajan's Restricted Stock Units vest?

The RSUs have different vesting schedules: The March 2023 grant (with 18.601 dividend units) vests on March 31, 2026. The March 2024 grant (with 36.384 dividend units) vests in two tranches on March 31, 2026 and 2027. The March 2025 grant (with 60.19 dividend units) vests in three tranches on March 31, 2026, 2027, and 2028.

What is the total number of RYI Restricted Stock Units owned by Sundarrajan after this transaction?

Following the reported transactions, Alagu Sundarrajan beneficially owns a total of 12,744.397 RSUs, broken down as: 2,058.206 units from the 2023 grant, 4,026.001 units from the 2024 grant, and 6,660.19 units from the 2025 grant.

What was the purchase price of RYI's Restricted Stock Units granted to the CIO?

According to the Form 4, the Restricted Stock Units were granted at $0 cost to Alagu Sundarrajan, as they represent dividend equivalent rights that accrued on previously awarded RSUs when dividends were paid on common shares.