---
title: "MASON STEPHEN M — Ownership Dossier"
canonical: https://whiteintel.dev/entity/67992e3f-47fe-5941-8639-2fab86c2db3e
json: https://whiteintel.dev/api/public/dossier/67992e3f-47fe-5941-8639-2fab86c2db3e
identifier: sec:0001786065
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MASON STEPHEN M

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001786065`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/67992e3f-47fe-5941-8639-2fab86c2db3e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/67992e3f-47fe-5941-8639-2fab86c2db3e  

## Ownership & control

### Holdings / subsidiaries

- **CARDINAL HEALTH INC** (officer) — https://whiteintel.dev/entity/f76741ec-df12-50e0-beba-d14a1f37c978

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MASON STEPHEN M** — https://whiteintel.dev/entity/67992e3f-47fe-5941-8639-2fab86c2db3e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MASON STEPHEN M**. Human view: https://whiteintel.dev/entity/67992e3f-47fe-5941-8639-2fab86c2db3e · Structured JSON: https://whiteintel.dev/api/public/dossier/67992e3f-47fe-5941-8639-2fab86c2db3e._

_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"._