---
title: "MEGABIOS CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/67f6e7d2-c77d-5beb-a314-92b45bde85af
json: https://whiteintel.dev/api/public/dossier/67f6e7d2-c77d-5beb-a314-92b45bde85af
identifier: sec:0000932352
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MEGABIOS CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000932352`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/67f6e7d2-c77d-5beb-a314-92b45bde85af  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/67f6e7d2-c77d-5beb-a314-92b45bde85af  

## Ownership & control

### Owners / controllers

- **MCGRAW BENJAMIN F III** (director) — https://whiteintel.dev/entity/cf78f0e8-9574-5f80-8c08-2e3870ee121b
- **REDDINGTON JOHN J** (officer) — https://whiteintel.dev/entity/62f8e23e-b8a8-5f2b-aca8-78578b754437
- **DIAZ REINALDO M** (director) — https://whiteintel.dev/entity/6fde644f-ebe5-5b3c-9944-a8c00a454a30
- **MARKEY JOSEPH A** (officer) — https://whiteintel.dev/entity/7b2fa88c-8a86-547f-a125-db106b5aa91e
- **MCGRAW BENJAMIN F III** (officer) — https://whiteintel.dev/entity/cf78f0e8-9574-5f80-8c08-2e3870ee121b
- **VICKERY DAN B** (director) — https://whiteintel.dev/entity/250a4268-f0ed-5fab-9b84-3a9d8a425988
- **PARSONS C. LOWELL** (director) — https://whiteintel.dev/entity/915332e4-7ef9-5147-ac55-c19a47772c4e
- **GOLDBERG MICHAEL M** (director) — https://whiteintel.dev/entity/c1a43c4c-02b2-5f2d-9630-e075099df7ba
- **SHMAGIN MARTIN E** (director) — https://whiteintel.dev/entity/49dcbe65-0544-5070-8c4a-8c3a375701ce
- **SHMAGIN MARTIN E** (officer) — https://whiteintel.dev/entity/49dcbe65-0544-5070-8c4a-8c3a375701ce
- **GARNER WILLIAM J** (tenpercentowner) — https://whiteintel.dev/entity/0e8cee62-3296-5ede-b77c-240c7667b571
- **GARNER WILLIAM J** (director) — https://whiteintel.dev/entity/0e8cee62-3296-5ede-b77c-240c7667b571
- **GARNER WILLIAM J** (officer) — https://whiteintel.dev/entity/0e8cee62-3296-5ede-b77c-240c7667b571
- **GARNER WILLIAM J** (tenpercentownerother) — https://whiteintel.dev/entity/0e8cee62-3296-5ede-b77c-240c7667b571
- **XMARK OPPORTUNITY PARTNERS, LLC** (other) — https://whiteintel.dev/entity/1981f266-6890-55a0-b927-7f0dae397bc1
- **BROWN SIMPSON ASSET MANAGEMENT LLC** (other) — https://whiteintel.dev/entity/58267108-c12e-5a2a-9497-2d69c55a6af2

### UBO chain (walk to the ultimate owner)

A **16-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MEGABIOS CORP**. Human view: https://whiteintel.dev/entity/67f6e7d2-c77d-5beb-a314-92b45bde85af · Structured JSON: https://whiteintel.dev/api/public/dossier/67f6e7d2-c77d-5beb-a314-92b45bde85af._

_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"._