---
title: "SIMON JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d346b83b-d44e-5a23-8ea7-efbb306bf22c
json: https://whiteintel.dev/api/public/dossier/d346b83b-d44e-5a23-8ea7-efbb306bf22c
identifier: sec:0001048638
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIMON JOHN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001048638`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d346b83b-d44e-5a23-8ea7-efbb306bf22c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d346b83b-d44e-5a23-8ea7-efbb306bf22c  

## Ownership & control

### Holdings / subsidiaries

- **NEUROGEN CORP** (director) — https://whiteintel.dev/entity/c8486ba7-ad25-5aea-8a1c-de4d59b0404a
- **CARDICA INC** (director) — https://whiteintel.dev/entity/6cb245a6-c291-5407-ae61-838795dd00fb
- **NORTHERN POWER SYSTEMS CORP.** (director) — https://whiteintel.dev/entity/ffb76186-bb87-51f9-9e39-eab30bf75ce5
- **NORTHERN POWER SYSTEMS CORP.** (tenpercentowner) — https://whiteintel.dev/entity/ffb76186-bb87-51f9-9e39-eab30bf75ce5

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIMON JOHN**. Human view: https://whiteintel.dev/entity/d346b83b-d44e-5a23-8ea7-efbb306bf22c · Structured JSON: https://whiteintel.dev/api/public/dossier/d346b83b-d44e-5a23-8ea7-efbb306bf22c._

_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"._