Marabito Richard T. - 13 Feb 2026 Form 4 Insider Report for Ryerson Holding Corp (RYI)

Reporting relationship: President & COO, Director
Issuer ticker: RYI
Reported as of: 13 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Feb 2026, 20:06:40 UTC
Prior SEC filing: 10 Feb 2026
Next SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Camilla Rykke Merrick, attorney-in-fact

Key filing fact

Marabito Richard T. filed Form 4 for Ryerson Holding Corp (RYI) on 13 Feb 2026.

Key facts

This page summarizes Marabito Richard T.'s Form 4 filing for Ryerson Holding Corp (RYI).
6 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 13 Feb 2026, 20:06.

Change

Previous filing in this sequence was filed on 10 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001255662 Primary reporting owner

MARABITO RICHARD T

Relationship: President & COO, Director
Address: C/O RYERSON HOLDING CORPORATION, 227 W. MONROE ST., 27TH FLOOR, CHICAGO
Signature: /s/ Camilla Rykke Merrick, attorney-in-fact
Signature date: 13 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RYI transaction

Common Stock (par value $0.01 per share)

Award

Transaction value
Shares: +125,292
Change %
Price
Shares after: 125,292
Date: 13 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RYI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +33,005
Change %
Price
Shares after: 33,005
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 33,005
Exercise price
Footnotes: F2, F3, F4, F5

RYI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +88,101
Change %
Price
Shares after: 88,101
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 88,101
Exercise price
Footnotes: F2, F3, F4, F6

RYI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +14,104
Change %
Price
Shares after: 14,104
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,104
Exercise price
Footnotes: F2, F4, F7, F8

RYI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +18,815
Change %
Price
Shares after: 18,815
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,815
Exercise price
Footnotes: F2, F4, F9, F10

RYI transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +150,496
Change %
Price: $0.000000
Shares after: 150,496
Date: 13 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 150,496
Exercise price
Footnotes: F2, F11

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 11 footnotes

Footnote F1

The Reporting Person received 125,292 shares of the Issuer's common stock in exchange for 73,249 shares of common stock, without par value, of Olympic Steel, Inc. ("Olympic Steel") in connection with the merger between Olympic Steel and the Issuer (the "Merger") pursuant to the terms of the Agreement and Plan of Merger, dated as of October 28, 2025 (the "Merger Agreement"), by and among the Issuer, Olympic Steel and Crimson MS Corp. In accordance with the Merger Agreement, each share of Olympic Steel's common stock was cancelled and converted into the right to receive 1.7105 shares (the "Exchange Ratio") of the Issuer's common stock, with cash paid in lieu of fractional shares.

Footnote F2

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

Footnote F3

The restricted stock units have fully vested. Vested shares will be delivered to the reporting person upon separation of service.

Footnote F4

Pursuant to the Merger Agreement, at the effective time, the reporting person's Olympic Steel restricted stock units were assumed and converted into restricted stock units with respect to a number of shares of the Issuer's common stock (rounded down to the nearest whole share) determined by multiplying (i) the number of shares of Olympic Steel common stock subject to the Olympic Steel restricted stock unit immediately prior to the effective time of the Merger by (ii) the Exchange Ratio. The converted restricted stock units will otherwise be subject to the same terms and conditions as were applicable to the Olympic Steel restricted stock units prior to the effective time of the Merger.

Footnote F5

The Reporting Person received 33,005 restricted stock units of the Issuer in exchange for restricted stock units with respect to 19,296 shares of Olympic Steel's common stock.

Footnote F6

The Reporting Person received 88,101 restricted stock units of the Issuer in exchange for restricted stock units with respect to 51,506 shares of Olympic Steel's common stock.

Footnote F7

The restricted stock units will vest on December 31, 2026. Vested shares will be delivered to the reporting person within 90 days following the vesting date.

Footnote F8

The Reporting Person received 14,104 restricted stock units of the Issuer in exchange for restricted stock units with respect to 8,246 shares of Olympic Steel's common stock.

Footnote F9

The restricted stock units will vest on December 31, 2027. Vested shares will be delivered to the reporting person within 90 days following the vesting date.

Footnote F10

The Reporting Person received 18,815 restricted stock units of the Issuer in exchange for restricted stock units with respect to 11,000 shares of Olympic Steel's common stock.

Footnote F11

The Reporting Person received a one-time sign-on restricted stock unit award in connection with the Merger, which will vest on the third anniversary of the closing date of the Merger. Vested shares will be delivered to the reporting person upon vesting.