[Form 4] RYERSON HOLDING CORPORATION Insider Trading Activity

Rhea-AI Filing Summary

John E. Orth, EVP of Operations at Ryerson Holding (NYSE: RYI), received dividend equivalent rights on his existing restricted stock unit (RSU) holdings 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 were granted at $0 cost and accrue when dividends are paid on common shares. Following the transactions, Orth beneficially owns 2,058.206, 4,026.001, and 6,660.19 RSUs respectively from the three grant dates. All RSUs represent a contingent right to receive one common share upon vesting.

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
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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^*

Orth John E

(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)
	EVP, Operations

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

What insider transaction did RYI's EVP of Operations John E. Orth report on June 18, 2025?

On June 18, 2025, John E. Orth received dividend equivalent rights in the form of restricted stock units (RSUs): 18,601 units vesting March 31, 2026; 36,384 units vesting in 2026-2027; and 60,190 units vesting between 2026-2028. These RSUs were granted as dividend equivalent rights that accrue when dividends are paid on common shares.

How many RYI restricted stock units does John Orth own after the June 2025 transaction?

Following the reported transactions, John Orth beneficially owns a total of 12,744.397 restricted stock units (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.

When will RYI EVP John Orth's restricted stock units vest?

John Orth's RSUs have different vesting schedules: RSUs granted in March 2023 will vest on March 31, 2026; RSUs from March 2024 will vest in two tranches on March 31, 2026 and 2027; and RSUs from March 2025 will vest in three tranches on March 31, 2026, 2027, and 2028.

What was the purchase price of RYI restricted stock units granted to John Orth in June 2025?

The restricted stock units were granted at $0 cost to John Orth, as they represent dividend equivalent rights that accrued on his existing RSU awards when dividends were paid to common shareholders.