---
title: "BURSTEIN SUMNER — Ownership Dossier"
canonical: https://whiteintel.dev/entity/677ae37d-0cdc-5b88-9db0-43424d2aaae5
json: https://whiteintel.dev/api/public/dossier/677ae37d-0cdc-5b88-9db0-43424d2aaae5
identifier: sec:0001648309
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BURSTEIN SUMNER

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001648309`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/677ae37d-0cdc-5b88-9db0-43424d2aaae5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/677ae37d-0cdc-5b88-9db0-43424d2aaae5  

## Ownership & control

### Holdings / subsidiaries

- **Corbus Pharmaceuticals Holdings, Inc.** (other) — https://whiteintel.dev/entity/56f7e9fd-57e1-5c61-8e33-e9494cfd7102
- **Corbus Pharmaceuticals Holdings, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/56f7e9fd-57e1-5c61-8e33-e9494cfd7102

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BURSTEIN SUMNER**. Human view: https://whiteintel.dev/entity/677ae37d-0cdc-5b88-9db0-43424d2aaae5 · Structured JSON: https://whiteintel.dev/api/public/dossier/677ae37d-0cdc-5b88-9db0-43424d2aaae5._

_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"._