---
title: "CASTRO THOMAS H — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ce2cf052-62e7-5bd7-bf82-ed68a563aa1c
json: https://whiteintel.dev/api/public/dossier/ce2cf052-62e7-5bd7-bf82-ed68a563aa1c
identifier: sec:0001383940
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CASTRO THOMAS H

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001383940`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ce2cf052-62e7-5bd7-bf82-ed68a563aa1c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ce2cf052-62e7-5bd7-bf82-ed68a563aa1c  

## Ownership & control

### Holdings / subsidiaries

- **CUMULUS MEDIA INC** (director) — https://whiteintel.dev/entity/cc740b64-9d31-5b7d-b291-90449bd1be43
- **NIELSEN HOLDINGS B.V.** (director) — https://whiteintel.dev/entity/46cc75c9-c0d8-502d-99c5-04c114f65fd1
- **SPECTRUM MANAGEMENT HOLDING COMPANY, LLC** (director) — https://whiteintel.dev/entity/e89ff432-653e-5e5d-aef8-068c26b5b2a7

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CASTRO THOMAS H**. Human view: https://whiteintel.dev/entity/ce2cf052-62e7-5bd7-bf82-ed68a563aa1c · Structured JSON: https://whiteintel.dev/api/public/dossier/ce2cf052-62e7-5bd7-bf82-ed68a563aa1c._

_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"._