---
title: "OSBORN JOHN E — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e56ccd19-b56d-5fc7-930d-93d28bd3d11b
json: https://whiteintel.dev/api/public/dossier/e56ccd19-b56d-5fc7-930d-93d28bd3d11b
identifier: sec:0001209721
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# OSBORN JOHN E

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001209721`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e56ccd19-b56d-5fc7-930d-93d28bd3d11b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e56ccd19-b56d-5fc7-930d-93d28bd3d11b  

## Ownership & control

### Holdings / subsidiaries

- **CEPHALON INC** (officer) — https://whiteintel.dev/entity/bacde539-e5d5-555a-93c4-6b525188a740
- **EGALET CORP** (director) — https://whiteintel.dev/entity/81da9861-92ae-5121-8858-540ff35c3f04
- **ONYX PHARMACEUTICALS INC** (officer) — https://whiteintel.dev/entity/7fac90ce-edef-5475-af55-497950d86fee
- **DENDREON CORP** (officer) — https://whiteintel.dev/entity/4836c7b9-f83a-5e76-8362-0cba1d10d9da

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **OSBORN JOHN E**. Human view: https://whiteintel.dev/entity/e56ccd19-b56d-5fc7-930d-93d28bd3d11b · Structured JSON: https://whiteintel.dev/api/public/dossier/e56ccd19-b56d-5fc7-930d-93d28bd3d11b._

_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"._