---
title: "WILLIAMSON DOUGLAS J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0aae3379-99d8-53a5-ac59-fa4e15f50eed
json: https://whiteintel.dev/api/public/dossier/0aae3379-99d8-53a5-ac59-fa4e15f50eed
identifier: sec:0001911501
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WILLIAMSON DOUGLAS J

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001911501`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0aae3379-99d8-53a5-ac59-fa4e15f50eed  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0aae3379-99d8-53a5-ac59-fa4e15f50eed  

## Ownership & control

### Holdings / subsidiaries

- **ACADIA PHARMACEUTICALS INC** (officer) — https://whiteintel.dev/entity/e0daead6-1fdc-534a-ae81-4152b4e37d9f
- **AVADEL PHARMACEUTICALS PLC** (officer) — https://whiteintel.dev/entity/36b7ec7b-c280-5d0c-961b-2a44499dc3fd

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WILLIAMSON DOUGLAS J**. Human view: https://whiteintel.dev/entity/0aae3379-99d8-53a5-ac59-fa4e15f50eed · Structured JSON: https://whiteintel.dev/api/public/dossier/0aae3379-99d8-53a5-ac59-fa4e15f50eed._

_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"._