---
title: "Booth Robert F. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9fc2fbae-ba83-5d3a-a8e1-d75f358f874a
json: https://whiteintel.dev/api/public/dossier/9fc2fbae-ba83-5d3a-a8e1-d75f358f874a
identifier: sec:0001507567
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Booth Robert F.

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001507567`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9fc2fbae-ba83-5d3a-a8e1-d75f358f874a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9fc2fbae-ba83-5d3a-a8e1-d75f358f874a  

## Ownership & control

### Holdings / subsidiaries

- **Summit Therapeutics Inc.** (director) — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
- **Summit Therapeutics Inc.** (director) — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
- **CYMABAY THERAPEUTICS, INC.** (director) — https://whiteintel.dev/entity/806e93a3-924a-5417-98bd-577b36ac2646
- **PHARMACYCLICS INC** (director) — https://whiteintel.dev/entity/9bbfbb5f-87c4-5e3e-abaf-d7b72b953323

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Booth Robert F.**. Human view: https://whiteintel.dev/entity/9fc2fbae-ba83-5d3a-a8e1-d75f358f874a · Structured JSON: https://whiteintel.dev/api/public/dossier/9fc2fbae-ba83-5d3a-a8e1-d75f358f874a._

_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"._