---
title: "SESTERO MARGARET M — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0cb04cc7-e8cd-5590-8067-9226ae830861
json: https://whiteintel.dev/api/public/dossier/0cb04cc7-e8cd-5590-8067-9226ae830861
identifier: sec:0001168665
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SESTERO MARGARET M

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001168665`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0cb04cc7-e8cd-5590-8067-9226ae830861  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0cb04cc7-e8cd-5590-8067-9226ae830861  

## Ownership & control

### Holdings / subsidiaries

- **AMBASSADORS GROUP INC** (officer) — https://whiteintel.dev/entity/509d4910-f687-5c97-b6d2-ba72d080eaeb

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SESTERO MARGARET M**. Human view: https://whiteintel.dev/entity/0cb04cc7-e8cd-5590-8067-9226ae830861 · Structured JSON: https://whiteintel.dev/api/public/dossier/0cb04cc7-e8cd-5590-8067-9226ae830861._

_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"._