---
title: "SUMNER WILLIAM — Ownership Dossier"
canonical: https://whiteintel.dev/entity/22f9354c-c341-503a-97b9-e4e8fa21456c
json: https://whiteintel.dev/api/public/dossier/22f9354c-c341-503a-97b9-e4e8fa21456c
identifier: sec:0001058272
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SUMNER WILLIAM

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001058272`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/22f9354c-c341-503a-97b9-e4e8fa21456c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/22f9354c-c341-503a-97b9-e4e8fa21456c  

## Ownership & control

### Holdings / subsidiaries

- **ACURA PHARMACEUTICALS, INC** (director) — https://whiteintel.dev/entity/d621b901-7a3d-5dc4-8223-985b4ef1c446

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SUMNER WILLIAM**. Human view: https://whiteintel.dev/entity/22f9354c-c341-503a-97b9-e4e8fa21456c · Structured JSON: https://whiteintel.dev/api/public/dossier/22f9354c-c341-503a-97b9-e4e8fa21456c._

_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"._