---
title: "NAPRO BIOTHERAPEUTICS INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fa27c4de-4e13-5443-bbf8-56a673f9158d
json: https://whiteintel.dev/api/public/dossier/fa27c4de-4e13-5443-bbf8-56a673f9158d
identifier: sec:0000891504
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NAPRO BIOTHERAPEUTICS INC

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0000891504`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/fa27c4de-4e13-5443-bbf8-56a673f9158d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fa27c4de-4e13-5443-bbf8-56a673f9158d  

## Ownership & control

### Owners / controllers

- **PILIA PATRICIA PH D** (director) — https://whiteintel.dev/entity/b689d036-b913-589f-8fa9-278a07defcb6
- **PILIA PATRICIA PH D** (officer) — https://whiteintel.dev/entity/b689d036-b913-589f-8fa9-278a07defcb6
- **GOLDMAN SACHS GROUP INC** (tenpercentowner) — https://whiteintel.dev/entity/10616dd0-5b35-5485-a921-1410ec73e40a
- **GOLDMAN SACHS & CO** (tenpercentowner) — https://whiteintel.dev/entity/ff80cf88-76a9-5f84-9e8d-a569b55699ff
- **BAKER BROS CAPITAL GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/7b54bcdb-db84-526a-8d27-3bdd941420c3
- **BAKER FELIX** (tenpercentowner) — https://whiteintel.dev/entity/980331ac-181f-51ff-b75c-5447c0bf6ce1
- **BAKER JULIAN** (tenpercentowner) — https://whiteintel.dev/entity/dacbda6b-8969-5d7f-80c8-b04f77dbe37c
- **BAKER BIOTECH CAPITAL III (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/56dc88ca-9c2c-531b-801f-751daea59e68
- **14159 CAPITAL (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/64c43796-0039-519e-8174-bc7a2cdf3db2
- **TANG KEVIN** (tenpercentowner) — https://whiteintel.dev/entity/80abbfc2-d5d8-5676-95a3-3e4b69c47d21
- **TANG CAPITAL MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/bd0d3b74-e284-5be3-82a7-08bc162ca3ad
- **MARXE AUSTIN W & GREENHOUSE DAVID M** (tenpercentowner) — https://whiteintel.dev/entity/9ac6eb0c-0d33-5e17-9d9e-aa6c1990fcfd
- **TANG CAPITAL PARTNERS LP** (tenpercentowner) — https://whiteintel.dev/entity/7febd5d6-ba93-5ff6-b431-3bd25c63e2b6
- **CANNON MARTIN A** (director) — https://whiteintel.dev/entity/58aa63f2-dacf-5d21-bc05-b3373af677b9
- **ROWINSKY ERIC K** (director) — https://whiteintel.dev/entity/72260e9f-06f7-5b23-8240-a5c7c4ab9ef3
- **PERLE RICHARD N** (director) — https://whiteintel.dev/entity/4eee3ddd-5b94-57c7-9b1e-63767561c417
- **CARTER STEPHEN K** (director) — https://whiteintel.dev/entity/b30bd696-2a67-509f-b9de-af9510277b7a
- **MAZA ELLIOT M** (director) — https://whiteintel.dev/entity/9ccb9022-9542-5842-8745-54637538bac8
- **MAJOROS MATTHEW J** (officer) — https://whiteintel.dev/entity/626c8595-0d6b-567c-b9e4-85cdfb754f1a
- **GOULD GEORGE M** (director) — https://whiteintel.dev/entity/565b1b1d-d758-50b8-8d76-de30f504c04f
- **POLLACK ROBERT E** (director) — https://whiteintel.dev/entity/1413c9d5-96a9-5739-8a31-bd488c162751
- **HAYES ARTHUR HULL JR** (director) — https://whiteintel.dev/entity/232ee34c-b5d0-5585-b0e3-6af5306c59ac
- **PICKER DONALD H** (officer) — https://whiteintel.dev/entity/64b8071e-e7a7-575a-a60d-068a1cd98de8
- **LINK GORDON H JR** (officer) — https://whiteintel.dev/entity/aaea4b7d-1259-5155-adaf-41c7354728c2
- **LARSON KAI P** (officer) — https://whiteintel.dev/entity/3b28cd05-e30c-55f6-a37b-e0e331df49fb
- **SHAYKIN LEONARD P** (director) — https://whiteintel.dev/entity/62ec1f05-fbc5-58d0-8329-e5385ce2e704
- **BATT MARTIN** (officer) — https://whiteintel.dev/entity/d9add4a1-28a9-5afc-8713-d6cdafaa96e4
- **SHAYKIN LEONARD P** (officer) — https://whiteintel.dev/entity/62ec1f05-fbc5-58d0-8329-e5385ce2e704
- **BAKER BIOTECH CAPITAL III (Z) (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/e3ee4097-0e6b-515e-a666-63bd25794d73
- **BAKER BIOTECH CAPITAL II (Z) (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/bafbeeda-1e4e-5290-8566-50f4b4a14483

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

A **131-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.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NAPRO BIOTHERAPEUTICS INC**. Human view: https://whiteintel.dev/entity/fa27c4de-4e13-5443-bbf8-56a673f9158d · Structured JSON: https://whiteintel.dev/api/public/dossier/fa27c4de-4e13-5443-bbf8-56a673f9158d._

_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"._