---
title: "Summit Therapeutics Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
json: https://whiteintel.dev/api/public/dossier/925c6d35-70e2-5e05-b993-e0b472b9bff1
identifier: sec:0001599298
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Summit Therapeutics Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001599298`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/925c6d35-70e2-5e05-b993-e0b472b9bff1  

## Ownership & control

### Owners / controllers

- **DUGGAN ROBERT W** (10% owner) — https://whiteintel.dev/entity/ec58af2e-b4e8-5614-8c94-aec555e48aa5
- **Zanganeh Mahkam** (10% owner) — https://whiteintel.dev/entity/fb9cb50d-b3fe-50df-94fa-b49873eaced0
- **DUGGAN ROBERT W** (tenpercentowner) — https://whiteintel.dev/entity/ec58af2e-b4e8-5614-8c94-aec555e48aa5
- **Zanganeh Mahkam** (tenpercentowner) — https://whiteintel.dev/entity/fb9cb50d-b3fe-50df-94fa-b49873eaced0

### UBO chain (walk to the ultimate owner)

A **36-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Summit Therapeutics Inc.** — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Summit Therapeutics Inc.**. Human view: https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1 · Structured JSON: https://whiteintel.dev/api/public/dossier/925c6d35-70e2-5e05-b993-e0b472b9bff1._

_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"._