---
title: "LAU JOHN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3bb4600c-e57f-5231-aba1-16f299bdc767
json: https://whiteintel.dev/api/public/dossier/3bb4600c-e57f-5231-aba1-16f299bdc767
identifier: sec:0001718051
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LAU JOHN

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001718051`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3bb4600c-e57f-5231-aba1-16f299bdc767  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3bb4600c-e57f-5231-aba1-16f299bdc767  

## Ownership & control

### Holdings / subsidiaries

- **Ecovyst Inc.** (officer) — https://whiteintel.dev/entity/5c5f502f-7fd2-570f-958b-d776846a5a19

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LAU JOHN**. Human view: https://whiteintel.dev/entity/3bb4600c-e57f-5231-aba1-16f299bdc767 · Structured JSON: https://whiteintel.dev/api/public/dossier/3bb4600c-e57f-5231-aba1-16f299bdc767._

_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"._