Updated Jul 16, 2026
Silver Mark S. has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $533K.

Mark S. Silver is an executive at Ryerson Holding Corp, serving as the Executive Vice President, General Counsel, and Chief Human Resources Officer. He has held multiple roles within the company, focusing on legal and human resources functions.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-01 | RYZ | Ryerson Holding Corp | S — Open-market sale | 11.2K | $27.91 | $312K |
| 2026-04-03 | RYZ | Ryerson Holding Corp | F — Tax withholding / forfeiture | 7.5K | $22.48 | $169K |
| 2026-04-03 | RYZ | Ryerson Holding Corp | M — Option exercise | 8.4K | $0.00 | |
| 2026-04-03 | RYZ | Ryerson Holding Corp | M — Option exercise | 3.4K | $0.00 | |
| 2026-04-03 | RYZ | Ryerson Holding Corp | M — Option exercise | 2.9K | $0.00 | |
| 2026-04-03 | RYZ | Ryerson Holding Corp | M — Option exercise | 3.0K | $0.00 | |
| 2024-11-18 | RYZ | Ryerson Holding Corp | S — Open-market sale | 9.0K | $24.56 | $221K |
Mark S. Silver is an executive at Ryerson Holding Corp, serving as the Executive Vice President, General Counsel, and Chief Human Resources Officer. He has held multiple roles within the company, focusing on legal and human resources functions.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($533K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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