---
title: "MARKEY JOSEPH A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7b2fa88c-8a86-547f-a125-db106b5aa91e
json: https://whiteintel.dev/api/public/dossier/7b2fa88c-8a86-547f-a125-db106b5aa91e
identifier: sec:0001248508
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARKEY JOSEPH A

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001248508`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7b2fa88c-8a86-547f-a125-db106b5aa91e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7b2fa88c-8a86-547f-a125-db106b5aa91e  

## Ownership & control

### Holdings / subsidiaries

- **MEGABIOS CORP** (officer) — https://whiteintel.dev/entity/67f6e7d2-c77d-5beb-a314-92b45bde85af

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARKEY JOSEPH A**. Human view: https://whiteintel.dev/entity/7b2fa88c-8a86-547f-a125-db106b5aa91e · Structured JSON: https://whiteintel.dev/api/public/dossier/7b2fa88c-8a86-547f-a125-db106b5aa91e._

_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"._