---
title: "SHERWIN STEPHEN A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/19e728cd-084e-58ec-88c5-31b5dc0bb437
json: https://whiteintel.dev/api/public/dossier/19e728cd-084e-58ec-88c5-31b5dc0bb437
identifier: sec:0001079462
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SHERWIN STEPHEN A

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001079462`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/19e728cd-084e-58ec-88c5-31b5dc0bb437  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/19e728cd-084e-58ec-88c5-31b5dc0bb437  

## Ownership & control

### Holdings / subsidiaries

- **BIOGEN INC.** (director) — https://whiteintel.dev/entity/152d5198-a9ef-588d-b005-20e031a47893
- **NEUROCRINE BIOSCIENCES INC** (director) — https://whiteintel.dev/entity/3edd6842-e439-5576-bbae-f7c754e45400
- **CELL GENESYS INC** (director) — https://whiteintel.dev/entity/1fd101d0-5b66-526d-b2e7-ab0cb55685da
- **CELL GENESYS INC** (officer) — https://whiteintel.dev/entity/1fd101d0-5b66-526d-b2e7-ab0cb55685da
- **BIOGEN INC.** (director) — https://whiteintel.dev/entity/152d5198-a9ef-588d-b005-20e031a47893
- **NEUROCRINE BIOSCIENCES INC** (director) — https://whiteintel.dev/entity/3edd6842-e439-5576-bbae-f7c754e45400
- **EPIPHANY TECHNOLOGY ACQUISITION CORP.** (director) — https://whiteintel.dev/entity/fbd4a2d3-8b73-5492-97a2-9f2d032a1224
- **BIOPLUS ACQUISITION CORP.** (director) — https://whiteintel.dev/entity/292ecd40-c8d0-5cf9-aab7-53c7941df34c
- **ADURO BIOTECH** (director) — https://whiteintel.dev/entity/f0706f3b-297f-58aa-9fc7-e760403b244e
- **NEON THERAPEUTICS, INC.** (director) — https://whiteintel.dev/entity/1538bb44-5a8c-58e3-9cb2-6eb1f141f82b
- **RIGEL PHARMACEUTICALS INC** (director) — https://whiteintel.dev/entity/d86958a6-7ca3-521c-887c-e574ee5ee40b
- **Verastem, Inc.** (director) — https://whiteintel.dev/entity/48e38b21-bb92-51a5-bacf-892c060d8dd6

…and **2** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) 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 **SHERWIN STEPHEN A** — https://whiteintel.dev/entity/19e728cd-084e-58ec-88c5-31b5dc0bb437 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SHERWIN STEPHEN A**. Human view: https://whiteintel.dev/entity/19e728cd-084e-58ec-88c5-31b5dc0bb437 · Structured JSON: https://whiteintel.dev/api/public/dossier/19e728cd-084e-58ec-88c5-31b5dc0bb437._

_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"._