---
title: "MASON THOMAS S — Ownership Dossier"
canonical: https://whiteintel.dev/entity/234f2e15-e1c2-5e44-9247-a4f96a8a2c6a
json: https://whiteintel.dev/api/public/dossier/234f2e15-e1c2-5e44-9247-a4f96a8a2c6a
identifier: sec:0001312012
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MASON THOMAS S

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001312012`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/234f2e15-e1c2-5e44-9247-a4f96a8a2c6a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/234f2e15-e1c2-5e44-9247-a4f96a8a2c6a  

## Ownership & control

### Holdings / subsidiaries

- **ROCKVILLE FINANCIAL NEW, INC.** (director) — https://whiteintel.dev/entity/0ebe56bf-f138-5681-9551-8229d33a7a1c
- **ROCKVILLE FINANCIAL INC.** (director) — https://whiteintel.dev/entity/0aa5d8d9-ae66-5d8a-bf71-1719c287e1cb

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MASON THOMAS S**. Human view: https://whiteintel.dev/entity/234f2e15-e1c2-5e44-9247-a4f96a8a2c6a · Structured JSON: https://whiteintel.dev/api/public/dossier/234f2e15-e1c2-5e44-9247-a4f96a8a2c6a._

_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"._