---
title: "YANG ALEX KEUN MO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/44729fcb-5ce6-5435-975a-b75d500c34df
json: https://whiteintel.dev/api/public/dossier/44729fcb-5ce6-5435-975a-b75d500c34df
identifier: sec:0002103399
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# YANG ALEX KEUN MO

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0002103399`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/44729fcb-5ce6-5435-975a-b75d500c34df  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/44729fcb-5ce6-5435-975a-b75d500c34df  

## Ownership & control

### Holdings / subsidiaries

- **POLARYX THERAPEUTICS, INC.** (director) — https://whiteintel.dev/entity/4ee15a02-e177-58ce-a21c-94f436ab7f3c
- **POLARYX THERAPEUTICS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/4ee15a02-e177-58ce-a21c-94f436ab7f3c
- **POLARYX THERAPEUTICS, INC.** (officer) — https://whiteintel.dev/entity/4ee15a02-e177-58ce-a21c-94f436ab7f3c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **YANG ALEX KEUN MO**. Human view: https://whiteintel.dev/entity/44729fcb-5ce6-5435-975a-b75d500c34df · Structured JSON: https://whiteintel.dev/api/public/dossier/44729fcb-5ce6-5435-975a-b75d500c34df._

_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"._