Mark S. Silver

CIK: 0001627959

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (4.9%)

Position reduction

Option Exercises (M)8 (19.5%)

Derivative conversions

Awards (A)29 (70.7%)

Compensation grants

Other (G, F, J, C, D, …)2 (4.9%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

RYZ

Ryerson Holding Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (41 total)

RYZ
Ryerson Holding Corp
Sep 17, 2026
Award(A)
Restricted Stock Units
Direct
52 shares-
RYZ
Ryerson Holding Corp
Sep 17, 2026
Award(A)
Restricted Stock Units
Direct
23 shares-
RYZ
Ryerson Holding Corp
Sep 17, 2026
Award(A)
Restricted Stock Units
Direct
76 shares-
RYZ
Ryerson Holding Corp
Jun 18, 2026
Award(A)
Restricted Stock Units
Direct
46 shares-
RYZ
Ryerson Holding Corp
Jun 18, 2026
Award(A)
Restricted Stock Units
Direct
67 shares-
RYZ
Ryerson Holding Corp
Jun 18, 2026
Award(A)
Restricted Stock Units
Direct
20 shares-
RYZ
Ryerson Holding Corp
May 28, 2026
Sale(S)
Direct
11.2K shares at avg. $27.91$312K
RYZ
Ryerson Holding Corp
Mar 31, 2026
Exercise(M)
Direct
3K shares-
RYZ
Ryerson Holding Corp
Mar 31, 2026
Exercise(M)
Direct
2.9K shares-
RYZ
Ryerson Holding Corp
Mar 31, 2026
Exercise(M)
Direct
3.4K shares-
RYZ
Ryerson Holding Corp
Mar 31, 2026
Exercise(M)
Direct
8.4K shares-
RYZ
Ryerson Holding Corp
Mar 31, 2026
Tax Payment(F)
Direct
7.5K shares at avg. $22.48$169K
RYZ
Ryerson Holding Corp
Mar 31, 2026
Award(A)
Restricted Stock Units
Direct
9.9K shares-
RYZ
Ryerson Holding Corp
Mar 19, 2026
Award(A)
Restricted Stock Units
Direct
54 shares-
RYZ
Ryerson Holding Corp
Mar 19, 2026
Award(A)
Restricted Stock Units
Direct
94 shares-
RYZ
Ryerson Holding Corp
Mar 19, 2026
Award(A)
Restricted Stock Units
Direct
28 shares-
RYI
Ryerson Holding Corp
Dec 18, 2025
Award(A)
Restricted Stock Units
Direct
21 shares-
RYI
Ryerson Holding Corp
Dec 18, 2025
Award(A)
Restricted Stock Units
Direct
42 shares-
RYI
Ryerson Holding Corp
Dec 18, 2025
Award(A)
Restricted Stock Units
Direct
73 shares-
RYI
Ryerson Holding Corp
Sep 18, 2025
Award(A)
Restricted Stock Units
Direct
24 shares-
RYI
Ryerson Holding Corp
Sep 18, 2025
Award(A)
Restricted Stock Units
Direct
81 shares-
RYI
Ryerson Holding Corp
Sep 18, 2025
Award(A)
Restricted Stock Units
Direct
46 shares-
RYI
Ryerson Holding Corp
Jun 18, 2025
Award(A)
Restricted Stock Units
Direct
90 shares-
RYI
Ryerson Holding Corp
Jun 18, 2025
Award(A)
Restricted Stock Units
Direct
52 shares-
RYI
Ryerson Holding Corp
Jun 18, 2025
Award(A)
Restricted Stock Units
Direct
27 shares-

		Type	Shares	Price		Ownership
Sep 17, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	52	-	-	Direct
Sep 17, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	23	-	-	Direct
Sep 17, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	76	-	-	Direct
Jun 18, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	46	-	-	Direct
Jun 18, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	67	-	-	Direct
Jun 18, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	20	-	-	Direct
May 28, 2026	RYZ Ryerson Holding Corp	Sale(S)	11,174	$27.91	$311,843	Direct
Mar 31, 2026	RYZ Ryerson Holding Corp	Exercise(M)	3,014	-	$0	Direct
Mar 31, 2026	RYZ Ryerson Holding Corp	Exercise(M)	2,947	-	$0	Direct
Mar 31, 2026	RYZ Ryerson Holding Corp	Exercise(M)	3,412	-	$0	Direct
Mar 31, 2026	RYZ Ryerson Holding Corp	Exercise(M)	8,375	-	$0	Direct
Mar 31, 2026	RYZ Ryerson Holding Corp	Tax Payment(F)	7,509	$22.48	$168,802	Direct
Mar 31, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	9,900	-	-	Direct
Mar 19, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	54	-	-	Direct
Mar 19, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	94	-	-	Direct
Mar 19, 2026	RYZ Ryerson Holding Corp	Award(A) Restricted Stock Units	28	-	-	Direct
Dec 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	21	-	-	Direct
Dec 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	42	-	-	Direct
Dec 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	73	-	-	Direct
Sep 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	24	-	-	Direct
Sep 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	81	-	-	Direct
Sep 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	46	-	-	Direct
Jun 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	90	-	-	Direct
Jun 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	52	-	-	Direct
Jun 18, 2025	RYI Ryerson Holding Corp	Award(A) Restricted Stock Units	27	-	-	Direct

1-25 of 41 transactions

About Silver Mark S.

Silver Mark S. (SEC CIK 0001627959) files insider reports with the SEC as EVP, Chief Legal/Risk Officer of Ryerson Holding Corp (RYZ).

Signal8 holds 13 ownership filings by Silver Mark S., all Form 4s, filed between Sep 23, 2024 and Sep 21, 2026. Those filings report 41 transactions, from Sep 19, 2024 to Sep 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Silver Mark S.'s filings is in CHICAGO, IL.

Recent filings by Silver Mark S.

Sep 17, 2026: Grants or awards of RYZ derivative securities (3 lines, Form 4, code A).
Jun 18, 2026: Grants or awards of RYZ derivative securities (3 lines, Form 4, code A).
May 28, 2026: Open-market sale of RYZ shares (Form 4, code S).
Mar 31, 2026: Option exercises of RYZ shares (4 lines, Form 4, code M).
Mar 31, 2026: Tax withholding of RYZ shares (Form 4, code F).

Other insiders filing for Ryerson Holding Corp (RYZ)

Lehner Edward J., CEO
Greiff Andrew S, EVP
MARABITO RICHARD T, President & COO
Kannan Molly D, CAO & Corporate Controller
Claussen James J, Executive Vice President & CFO
Scott Peter Jennings, Director

How to read Form 4 transaction codes