---
title: "BRUGGER STEPHEN B — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4efea5d0-92ee-52c4-a05d-5bf59a279929
json: https://whiteintel.dev/api/public/dossier/4efea5d0-92ee-52c4-a05d-5bf59a279929
identifier: sec:0001294347
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BRUGGER STEPHEN B

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001294347`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4efea5d0-92ee-52c4-a05d-5bf59a279929  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4efea5d0-92ee-52c4-a05d-5bf59a279929  

## Ownership & control

### Holdings / subsidiaries

- **MOMENTA PHARMACEUTICALS INC** (officer) — https://whiteintel.dev/entity/98a7f107-d1cd-5231-8d2f-f4a0abe32d08

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BRUGGER STEPHEN B**. Human view: https://whiteintel.dev/entity/4efea5d0-92ee-52c4-a05d-5bf59a279929 · Structured JSON: https://whiteintel.dev/api/public/dossier/4efea5d0-92ee-52c4-a05d-5bf59a279929._

_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"._