---
title: "DUGGAN ROBERT W — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ec58af2e-b4e8-5614-8c94-aec555e48aa5
json: https://whiteintel.dev/api/public/dossier/ec58af2e-b4e8-5614-8c94-aec555e48aa5
identifier: sec:0001055919
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DUGGAN ROBERT W

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001055919`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ec58af2e-b4e8-5614-8c94-aec555e48aa5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ec58af2e-b4e8-5614-8c94-aec555e48aa5  

## Ownership & control

### Holdings / subsidiaries

- **Summit Therapeutics Inc.** (10% owner) — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
- **INTUITIVE SURGICAL INC** (director) — https://whiteintel.dev/entity/35f804b9-86d8-54fc-bd50-7b159ffa43cd
- **PHARMACYCLICS INC** (tenpercentowner) — https://whiteintel.dev/entity/9bbfbb5f-87c4-5e3e-abaf-d7b72b953323
- **Summit Therapeutics Inc.** (tenpercentowner) — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
- **Summit Therapeutics Inc.** (director) — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
- **PULSE BIOSCIENCES, INC.** (tenpercentowner) — https://whiteintel.dev/entity/d9670250-cf3e-5ed7-9418-8d8ded5fbde9
- **PULSE BIOSCIENCES, INC.** (director) — https://whiteintel.dev/entity/d9670250-cf3e-5ed7-9418-8d8ded5fbde9
- **Summit Therapeutics Inc.** (officer) — https://whiteintel.dev/entity/925c6d35-70e2-5e05-b993-e0b472b9bff1
- **ACHAOGEN INC** (tenpercentowner) — https://whiteintel.dev/entity/e4ff905b-580a-5837-a46a-76b8fa654b9d
- **PHARMACYCLICS INC** (director) — https://whiteintel.dev/entity/9bbfbb5f-87c4-5e3e-abaf-d7b72b953323
- **PHARMACYCLICS INC** (officer) — https://whiteintel.dev/entity/9bbfbb5f-87c4-5e3e-abaf-d7b72b953323

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DUGGAN ROBERT W**. Human view: https://whiteintel.dev/entity/ec58af2e-b4e8-5614-8c94-aec555e48aa5 · Structured JSON: https://whiteintel.dev/api/public/dossier/ec58af2e-b4e8-5614-8c94-aec555e48aa5._

_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"._