---
title: "Ketchum Steven B — Ownership Dossier"
canonical: https://whiteintel.dev/entity/74e296ae-d979-573c-b4c8-95ce74baa33d
json: https://whiteintel.dev/api/public/dossier/74e296ae-d979-573c-b4c8-95ce74baa33d
identifier: sec:0001289884
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Ketchum Steven B

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001289884`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/74e296ae-d979-573c-b4c8-95ce74baa33d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/74e296ae-d979-573c-b4c8-95ce74baa33d  

## Ownership & control

### Holdings / subsidiaries

- **AMARIN CORP PLC\UK** (officer) — https://whiteintel.dev/entity/0f562a3d-5794-54b6-aacc-35bb3362ec26
- **AMARIN CORP PLC\UK** (officer) — https://whiteintel.dev/entity/0f562a3d-5794-54b6-aacc-35bb3362ec26
- **AMARIN CORP PLC\UK** (officer) — https://whiteintel.dev/entity/0f562a3d-5794-54b6-aacc-35bb3362ec26
- **SUNESIS PHARMACEUTICALS INC** (director) — https://whiteintel.dev/entity/febc2d34-a6fa-5886-8edb-3883a966f115
- **SUNESIS PHARMACEUTICALS INC** (officer) — https://whiteintel.dev/entity/febc2d34-a6fa-5886-8edb-3883a966f115

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ketchum Steven B**. Human view: https://whiteintel.dev/entity/74e296ae-d979-573c-b4c8-95ce74baa33d · Structured JSON: https://whiteintel.dev/api/public/dossier/74e296ae-d979-573c-b4c8-95ce74baa33d._

_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"._