[Form 4] RYERSON HOLDING CORPORATION Insider Trading Activity

Rhea-AI Filing Summary

Insider sale disclosed: Ryerson Holding Corporation (RYI) Form 4 shows that Sundarrajan Alagu, Chief Information Officer and reporting person, sold 15,000 shares of Ryerson common stock on 08/28/2025 at a price of $22.47 per share. After the reported sale, the filing shows the reporting person beneficially owns 17,005.4521 shares. The filing includes an explanatory note that the shares were sold in multiple transactions at $22.47 and that the reporting person will provide details of the number of shares sold upon request. The form is signed by Camilla Rykke Merrick on 09/02/2025.

Positive

• Form 4 filed disclosing insider transaction, providing regulatory transparency
• Reporting person retains 17,005.4521 shares after the sale
• Explanatory note commits to provide detailed trade breakdown upon request

Negative

• Insider sold 15,000 shares on 08/28/2025 at $22.47 per share, which represents insider liquidity (magnitude relative to total holdings not provided)

Insights

Financial Analyst

TL;DR: Routine insider disposition: a company officer sold 15,000 shares, leaving ~17,005 shares beneficially owned; no other material changes disclosed.

The Form 4 discloses a single non-derivative sale by the Chief Information Officer on 08/28/2025 for $22.47 per share totaling 15,000 shares. The filing notes multiple transactions at the stated price; exact per-trade quantities are not provided but will be made available on request. This disclosure is standard for Section 16 reporting and provides transparency on insider liquidity but does not include further context about intent or planned future transactions.

Corporate Governance Expert

TL;DR: Disclosure appears compliant and signed; sale is disclosed without indicators of unusual governance concerns.

The Form 4 appears properly completed: it identifies the reporting person, relationship to the issuer (Officer/Chief Information Officer), transaction date, transaction code (S for sale), number of shares sold, sale price, and post-transaction beneficial ownership. The explanatory note commits to provide additional breakdown on request, which addresses a common ambiguity when bulk sales occur across multiple trades. No amendments or plan-based codes (e.g., 10b5-1) are indicated on this filing.

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^*

Sundarrajan Alagu

(Last) (First) (Middle)

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)
08/28/2025

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
Common Stock (par value $0.01 per share)	08/28/2025		S		15,000	D	$22.47(1)	17,005.4521	D

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

Explanation of Responses:

1. These shares were sold in multiple transactions at the price of $22.47. The reporting person undertakes to provide Ryerson Holding Corporation, any security holder of Ryerson Holding Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold.

	Camilla Rykke Merrick	09/02/2025
	** 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 did the RYI Form 4 filed on 09/02/2025 disclose?

The Form 4 discloses that Sundarrajan Alagu sold 15,000 shares of Ryerson Holding Corp on 08/28/2025 at a price of $22.47 per share and now beneficially owns 17,005.4521 shares.

Who is the reporting person on the RYI Form 4 and what is their role?

The reporting person is Sundarrajan Alagu, identified as an officer with the title Chief Information Officer.

Was the sale executed in a single trade or multiple trades?

The filing states the shares were sold in multiple transactions at the price of $22.47; the reporting person offers to provide full trade details upon request.

Does the Form 4 indicate any derivative transactions or 10b5-1 plan?

No derivative transactions are reported in Table II, and the Form 4 does not indicate that the sale was made pursuant to a 10b5-1 trading plan.

Who signed the Form 4 and when was it signed?

The form is signed by Camilla Rykke Merrick with the signature date shown as 09/02/2025.