---
title: "MASTERSON ELLEN H — Ownership Dossier"
canonical: https://whiteintel.dev/entity/aa513d73-e649-5604-a5eb-9c61aa22c94b
json: https://whiteintel.dev/api/public/dossier/aa513d73-e649-5604-a5eb-9c61aa22c94b
identifier: sec:0001045311
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MASTERSON ELLEN H

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001045311`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/aa513d73-e649-5604-a5eb-9c61aa22c94b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/aa513d73-e649-5604-a5eb-9c61aa22c94b  

## Ownership & control

### Holdings / subsidiaries

- **INSPERITY, INC.** (director) — https://whiteintel.dev/entity/7f77ab11-10bd-5a3c-9203-fff53c2ba216
- **WESTWOOD HOLDINGS GROUP INC** (director) — https://whiteintel.dev/entity/bd3edd83-b1db-5b9a-94bf-672c9c81f636
- **INSPERITY, INC.** (director) — https://whiteintel.dev/entity/7f77ab11-10bd-5a3c-9203-fff53c2ba216

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MASTERSON ELLEN H**. Human view: https://whiteintel.dev/entity/aa513d73-e649-5604-a5eb-9c61aa22c94b · Structured JSON: https://whiteintel.dev/api/public/dossier/aa513d73-e649-5604-a5eb-9c61aa22c94b._

_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"._