Ryerson COO granted 123.504 dividend-equivalent RSUs

Ryerson’s President & COO received additional RSU-based dividend equivalent rights tied to earlier awards, increasing his direct RSU holdings.

Rhea-AI Filing Summary

Ryerson Holding Corp (symbol: RYZ) is the issuer of record for a Form 4 filing submitted to the SEC. MARABITO RICHARD T reported acquisition or exercise transactions in this Form 4 filing.

Ryerson Holding Corp (RYZ) reported that President & COO and director Richard T. Marabito received a grant of 123.504 restricted stock units on September 17, 2026, in the form of dividend equivalent rights accruing on previously granted RSUs. Following this award, he holds 16,379.803 restricted stock units directly. These dividend equivalent rights relate to RSUs granted on March 31, 2026 and will vest, along with the underlying RSUs, on March 31, 2027, March 31, 2028, and March 31, 2029. No Rule 10b5-1 trading plan is reported for this filing.

Insider Trade Summary

Grant/Award: 123.504 shares

Grant/Award 1 txn

Insider MARABITO RICHARD T

Role President & COO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units F1, F2, F3	123.504	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 16,379.803 contracts (Direct)

Footnotes (3)

1. F1. Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").
2. F2. 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. F3. The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

Key Figures

Restricted stock units granted: 123.504 units RSU holdings after transaction: 16,379.803 units Vesting dates: March 31, 2027; March 31, 2028; March 31, 2029 +2 more

5 metrics

Restricted stock units granted 123.504 units Dividend equivalent rights awarded on September 17, 2026

RSU holdings after transaction 16,379.803 units Direct restricted stock unit holdings of Richard T. Marabito after the award

Vesting dates March 31, 2027; March 31, 2028; March 31, 2029 Vesting schedule for the RSUs granted March 31, 2026 and related dividend equivalent rights

Transaction price per unit $0.00 per unit Grant of dividend equivalent RSUs reported with zero price per share

Rule 10b5-1 plan status No plan reported Document-level 10b5-1 checkbox is unchecked for this Form 4

Key Terms

Restricted Stock Units, dividend equivalent rights, contingent right, vest proportionately, +1 more

5 terms

Restricted Stock Units financial

"Each restricted stock unit represents a contingent right to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalent rights financial

"Represents dividend equivalent rights that accrued on the underlying award"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

contingent right financial

"represents a contingent right to receive one share of common stock"

vest proportionately financial

"Dividend equivalent rights accrue when and as dividends are paid and vest proportionately"

settlement and expiration financial

"subject to settlement and expiration upon the same terms as the restricted stock units"

FAQ

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

What insider transaction did Ryerson Holding Corp (RYZ) disclose for Richard T. Marabito?

Ryerson disclosed that President & COO Richard T. Marabito received 123.504 restricted stock units on September 17, 2026 as dividend equivalent rights on existing RSUs, increasing his direct RSU holdings to 16,379.803 units.

What type of security did the RYZ insider receive in the latest Form 4?

The insider received Restricted Stock Units, each representing a contingent right to receive one share of Ryerson Holding Corporation common stock, in the form of dividend equivalent rights accruing on previously granted RSUs.

How many restricted stock units does the RYZ President & COO hold after this transaction?

After this transaction, President & COO Richard T. Marabito directly holds 16,379.803 restricted stock units, as reported in the Form 4 filing.

What are dividend equivalent rights in the context of RYZ’s Form 4 filing?

Dividend equivalent rights for RYZ accrue on restricted stock units when and as dividends are paid on the underlying common shares and vest proportionately with, and are settled and expire on the same terms as, the related restricted stock units.

When will the Ryerson (RYZ) restricted stock units and related dividend equivalent rights vest?

The unvested restricted stock units granted on March 31, 2026, and the related dividend equivalent rights reported here, will vest in tranches on March 31, 2027, March 31, 2028, and March 31, 2029.

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

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Available on EDGAR 09/21/2026 - 04:45 PM Accepted by SEC EDGAR 09/21/2026 - 04:44 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).

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^*

MARABITO RICHARD T

(Last) (First) (Middle)

C/O RYERSON HOLDING CORPORATION

227 W. MONROE ST., 27TH FLOOR

(Street)

CHICAGO ILLINOIS 60606

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/17/2026

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

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)	09/17/2026		A		123.504(2)		(3)	(3)	Common Stock	123.504	$0	16,379.803	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, 2026 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029.

	/s/ Camilla Rykke Merrick, attorney-in-fact	09/21/2026
	** 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)