---
title: "LAROSA JOSEPH J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c38ea8ed-2fe1-529e-bc71-030791a15454
json: https://whiteintel.dev/api/public/dossier/c38ea8ed-2fe1-529e-bc71-030791a15454
identifier: sec:0001238303
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LAROSA JOSEPH J

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001238303`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c38ea8ed-2fe1-529e-bc71-030791a15454  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c38ea8ed-2fe1-529e-bc71-030791a15454  

## Ownership & control

### Holdings / subsidiaries

- **REGENERON PHARMACEUTICALS, INC.** (officer) — https://whiteintel.dev/entity/4c94c46c-66cf-5651-b60a-46242ce9fe83

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LAROSA JOSEPH J**. Human view: https://whiteintel.dev/entity/c38ea8ed-2fe1-529e-bc71-030791a15454 · Structured JSON: https://whiteintel.dev/api/public/dossier/c38ea8ed-2fe1-529e-bc71-030791a15454._

_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"._