---
title: "KOYA KEIZO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ae30a486-bc26-5bc4-845e-7f02126caece
json: https://whiteintel.dev/api/public/dossier/ae30a486-bc26-5bc4-845e-7f02126caece
identifier: sec:0001325718
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KOYA KEIZO

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001325718`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ae30a486-bc26-5bc4-845e-7f02126caece  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ae30a486-bc26-5bc4-845e-7f02126caece  

## Ownership & control

### Holdings / subsidiaries

- **MADRIGAL PHARMACEUTICALS, INC.** (officer) — https://whiteintel.dev/entity/beb6f806-b887-5a50-887a-7da069e8acf2

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KOYA KEIZO**. Human view: https://whiteintel.dev/entity/ae30a486-bc26-5bc4-845e-7f02126caece · Structured JSON: https://whiteintel.dev/api/public/dossier/ae30a486-bc26-5bc4-845e-7f02126caece._

_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"._