---
title: "Silver Mark S. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bee70b22-e323-5ac0-b925-053381578a82
json: https://whiteintel.dev/api/public/dossier/bee70b22-e323-5ac0-b925-053381578a82
identifier: sec:0001627959
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Silver Mark S.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001627959`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bee70b22-e323-5ac0-b925-053381578a82  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bee70b22-e323-5ac0-b925-053381578a82  

## Ownership & control

### Holdings / subsidiaries

- **Ryerson Holding Corp** (officer) — https://whiteintel.dev/entity/63249cf4-37ef-51af-8907-de23de6c9287
- **Ryerson Holding Corp** (officer) — https://whiteintel.dev/entity/63249cf4-37ef-51af-8907-de23de6c9287

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Silver Mark S.**. Human view: https://whiteintel.dev/entity/bee70b22-e323-5ac0-b925-053381578a82 · Structured JSON: https://whiteintel.dev/api/public/dossier/bee70b22-e323-5ac0-b925-053381578a82._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._