---
title: "SIERON MARK A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a456e1d6-5899-532a-8cdd-eacad4bb0b9f
json: https://whiteintel.dev/api/public/dossier/a456e1d6-5899-532a-8cdd-eacad4bb0b9f
identifier: sec:0001246379
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIERON MARK A

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001246379`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a456e1d6-5899-532a-8cdd-eacad4bb0b9f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a456e1d6-5899-532a-8cdd-eacad4bb0b9f  

## Ownership & control

### Holdings / subsidiaries

- **MIDDLEBY Corp** (officer) — https://whiteintel.dev/entity/61e4a237-227e-5072-ba18-16d5aed5a398

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIERON MARK A**. Human view: https://whiteintel.dev/entity/a456e1d6-5899-532a-8cdd-eacad4bb0b9f · Structured JSON: https://whiteintel.dev/api/public/dossier/a456e1d6-5899-532a-8cdd-eacad4bb0b9f._

_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"._