Michael Burbach - Jun 18, 2025 Form 4 Insider Report for Ryerson Holding Corp (RYI)

Role: Chief Operating Officer
Signature: /s/ Camilla Rykke Merrick, attorney-in-fact
Stock symbol: RYI
Transactions as of: Jun 18, 2025
Transactions value $: $0
Form type: 4
Date filed: 6/23/2025, 05:43 PM
Previous filing: Dec 23, 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Burbach Michael	Chief Operating Officer	C/O RYERSON HOLDING CORPORATION, 227 W. MONROE ST., 27TH FLOOR, CHICAGO	/s/ Camilla Rykke Merrick, attorney-in-fact	2025-06-23	0001628783

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RYI	Restricted Stock Units	Award	$0	+37.2	+0.91%	$0.00	4.12K	Jun 18, 2025	Common Stock	37.2		Direct	F1, F2, F3
transaction	RYI	Restricted Stock Units	Award	$0	+52	+0.91%	$0.00	5.75K	Jun 18, 2025	Common Stock	52		Direct	F1, F2, F4
transaction	RYI	Restricted Stock Units	Award	$0	+20.2	+0.91%	$0.00	2.24K	Jun 18, 2025	Common Stock	20.2		Direct	F1, F2, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of common stock of Ryerson Holding Corporation (the "Company").
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.
F3	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.
F4	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.
F5	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.