Ryerson (NYSE: RYI) COO receives 16,147.56 restricted stock units award

Rhea-AI Filing Summary

MARABITO RICHARD T reported acquisition or exercise transactions in this Form 4 filing.

Ryerson Holding Corp reported that President & COO Richard T. Marabito received a grant of 16,147.56 restricted stock units on March 31, 2026. Each unit represents a contingent right to receive one share of common stock.

The grant will vest in three equal installments of 5,382.52 units on the first, second, and third anniversaries of the grant date. Vested shares are scheduled to be delivered to Marabito within 60 days after each vesting date. This is a compensation-related equity award rather than an open-market trade.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider MARABITO RICHARD T

Role President & COO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	16,147.56	$0.00	--

Holdings After Transaction: Restricted Stock Units — 16,147.56 shares (Direct)

Footnotes (1)

1. Each restricted stock unit represents a contingent right to receive one share of common stock of the Company. On March 31, 2026, the reporting person was granted 16,147.56 restricted stock units, of which 5,382.52 will vest on the first anniversary of the grant date, 5,382.52 will vest on the second anniversary of the grant date and 5,382.52 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.

Key Figures

RSUs granted: 16,147.56 units Post-grant RSU holdings: 16,147.56 units Annual vesting tranche: 5,382.52 units +1 more

4 metrics

RSUs granted 16,147.56 units Restricted stock units granted on March 31, 2026

Post-grant RSU holdings 16,147.56 units Total restricted stock units following the transaction

Annual vesting tranche 5,382.52 units Vests on each of first, second, and third anniversaries of grant date

Share delivery timing Within 60 days Delivery of vested shares after each vesting date

Key Terms

Restricted Stock Units, contingent right, vesting, common stock

4 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.

contingent right financial

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

vesting financial

"5,382.52 will vest on the first anniversary of the grant date"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

common stock financial

"receive one share of common stock of the Company"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

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)
03/31/2026

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)	03/31/2026		A		16,147.56		(2)	(2)	Common Stock	16,147.56	$0	16,147.56	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of common stock of the Company.

2. On March 31, 2026, the reporting person was granted 16,147.56 restricted stock units, of which 5,382.52 will vest on the first anniversary of the grant date, 5,382.52 will vest on the second anniversary of the grant date and 5,382.52 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates.

	/s/ Camilla Rykke Merrick, attorney-in-fact	04/02/2026
	** 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)

FAQ

What insider transaction did Ryerson (RYI) report for Richard T. Marabito?

Ryerson reported that President & COO Richard T. Marabito received 16,147.56 restricted stock units as an equity award. These units are a form of stock-based compensation, not an open-market purchase or sale of Ryerson common shares.

How many restricted stock units did Ryerson (RYI) grant to its COO?

Ryerson granted 16,147.56 restricted stock units to its President & COO. Each restricted stock unit represents a contingent right to receive one share of Ryerson common stock, subject to the vesting schedule described in the Form 4 footnotes.

What is the vesting schedule for the new Ryerson (RYI) restricted stock units?

The 16,147.56 restricted stock units vest in three equal tranches of 5,382.52 units. One tranche vests on each of the first, second, and third anniversaries of the March 31, 2026 grant date, assuming continued service through those vesting dates.

When will Ryerson (RYI) deliver shares from the COO’s RSU grant?

Ryerson will deliver vested shares from the RSU grant to the COO no later than 60 days after each vesting date. This means share delivery occurs after vesting, rather than at the initial grant date of the restricted stock units.

Does the Ryerson (RYI) Form 4 show any insider share sales?

The Form 4 reflects a grant of 16,147.56 restricted stock units to the President & COO and does not report any open-market sales. The transaction code is “A,” indicating a grant, award, or other acquisition of derivative equity, not a discretionary sale.