---
title: "LANDAU JEFFREY B — Ownership Dossier"
canonical: https://whiteintel.dev/entity/04f93f4f-2959-5b35-85c5-b7d2e8a67a5c
json: https://whiteintel.dev/api/public/dossier/04f93f4f-2959-5b35-85c5-b7d2e8a67a5c
identifier: sec:0001918615
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LANDAU JEFFREY B

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001918615`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/04f93f4f-2959-5b35-85c5-b7d2e8a67a5c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/04f93f4f-2959-5b35-85c5-b7d2e8a67a5c  

## Ownership & control

### Holdings / subsidiaries

- **CytomX Therapeutics, Inc.** (officer) — https://whiteintel.dev/entity/6548f99c-6754-59ef-a2b1-ed7cd21f6d1b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LANDAU JEFFREY B**. Human view: https://whiteintel.dev/entity/04f93f4f-2959-5b35-85c5-b7d2e8a67a5c · Structured JSON: https://whiteintel.dev/api/public/dossier/04f93f4f-2959-5b35-85c5-b7d2e8a67a5c._

_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"._