---
title: "ALLOS THERAPEUTICS — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4e00b74d-beb6-5d0f-ba45-4ae0f366fc77
json: https://whiteintel.dev/api/public/dossier/4e00b74d-beb6-5d0f-ba45-4ae0f366fc77
identifier: sec:0001097264
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ALLOS THERAPEUTICS

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001097264`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4e00b74d-beb6-5d0f-ba45-4ae0f366fc77  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4e00b74d-beb6-5d0f-ba45-4ae0f366fc77  

## Ownership & control

### Owners / controllers

- **MALEK ERIC** (officer) — https://whiteintel.dev/entity/978603fb-9ca5-57f1-95cb-e281353ec629
- **JOHNSON DOUGLAS G** (officer) — https://whiteintel.dev/entity/5793ecc2-c6c6-5443-9f02-189f85579a59
- **HART MICHAEL E** (director) — https://whiteintel.dev/entity/12c57cc4-68ac-5e12-b6dc-13b53c8dc7f0
- **BERNS PAUL L** (officer) — https://whiteintel.dev/entity/32e44a5a-fb20-573d-88e5-3cbd8a2485fb
- **HOFFMAN STEPHEN J** (director) — https://whiteintel.dev/entity/4edf3952-a37d-5069-bd95-2ed182e926b0
- **HERZIG MARKUS F** (officer) — https://whiteintel.dev/entity/9b1a215f-ba72-510c-a0d3-9072d5f8c557
- **GRABOYES MARC H** (officer) — https://whiteintel.dev/entity/dd8011ce-b3f1-5a39-bcc9-d476d33f2e94
- **CLARK DAVID C** (officer) — https://whiteintel.dev/entity/fd0e39c4-c465-50d9-8017-5d1b11d64a96
- **DELONG DAVID A** (officer) — https://whiteintel.dev/entity/02a89f64-021d-5466-9c64-2ec388d2365b
- **HART MICHAEL E** (officer) — https://whiteintel.dev/entity/12c57cc4-68ac-5e12-b6dc-13b53c8dc7f0
- **SAUNDERS MICHAEL E** (officer) — https://whiteintel.dev/entity/8a2e2e85-3607-53c5-a75b-2724d4f58c7f
- **HOFFMAN STEPHEN J** (officer) — https://whiteintel.dev/entity/4edf3952-a37d-5069-bd95-2ed182e926b0
- **KAYE CHARLES R** (tenpercentowner) — https://whiteintel.dev/entity/4eb6e1f5-7e75-5baf-9eb7-608248ea01d1
- **NEOTHERAPEUTICS INC** (tenpercentowner) — https://whiteintel.dev/entity/f46a6d65-f586-5912-8fcb-ea6bd07d7cb7
- **OLER ABRAHAM N.** (officer) — https://whiteintel.dev/entity/ae33f827-4385-5bbe-b5c2-6155cc461e7e
- **TURNER JOSEPH L** (director) — https://whiteintel.dev/entity/eab02440-dbde-5111-b709-829ffe3d831c
- **SHAH BIMAL R.** (officer) — https://whiteintel.dev/entity/94b13792-2dab-5145-a054-3e45b94b5770
- **LEFF JONATHAN S** (director) — https://whiteintel.dev/entity/74870730-be49-5b01-8163-eb98c10bdaab
- **WARBURG PINCUS LLC** (tenpercentowner) — https://whiteintel.dev/entity/74390d78-c139-52a4-bfae-eff6cc250df6
- **STOUT DAVID M** (director) — https://whiteintel.dev/entity/e639c376-dbff-5a91-b9bd-25ea7fd0b384
- **WARBURG PINCUS & CO** (tenpercentowner) — https://whiteintel.dev/entity/f08379d4-1dd4-5fee-b50d-0869039609d4
- **Morris Charles Q** (officer) — https://whiteintel.dev/entity/0b8a24ac-7876-5b25-b06c-da64045d8c5d
- **GONZALO CECILIA** (director) — https://whiteintel.dev/entity/428b9df5-2c0a-54fc-83ed-80e7ef570bca
- **WARBURG PINCUS PRIVATE EQUITY VIII L P** (director) — https://whiteintel.dev/entity/d8af8dbb-eb2a-5e1c-99e1-2f2bd74fab93
- **WARBURG PINCUS & CO** (director) — https://whiteintel.dev/entity/f08379d4-1dd4-5fee-b50d-0869039609d4
- **WARBURG PINCUS PARTNERS LLC** (tenpercentowner) — https://whiteintel.dev/entity/74ec742a-12ad-57e1-909b-2851c69103a7
- **WARBURG PINCUS PRIVATE EQUITY VIII L P** (tenpercentowner) — https://whiteintel.dev/entity/d8af8dbb-eb2a-5e1c-99e1-2f2bd74fab93
- **WARBURG PINCUS PARTNERS LLC** (director) — https://whiteintel.dev/entity/74ec742a-12ad-57e1-909b-2851c69103a7
- **SCHICK MICHAEL E** (officer) — https://whiteintel.dev/entity/f092416e-bc3d-57a4-9a33-0e446ccd1527
- **SAPPHIRE ACQUISITION SUB, INC.** (tenpercentowner) — https://whiteintel.dev/entity/26c17262-ce4d-53f8-a095-a5fc3c41de9f
- **BENNETT BRUCE K JR** (officer) — https://whiteintel.dev/entity/748405c6-f2c0-5a6c-8b07-fc790b7e9d24
- **LATTS JEFFREY** (director) — https://whiteintel.dev/entity/3af6b889-aedd-5a1f-8287-64f39213772b
- **GOLDSMITH BRUCE A** (officer) — https://whiteintel.dev/entity/ce0f50aa-7025-596a-9c7d-e3019a7d5b27
- **LANDY JOSEPH** (tenpercentowner) — https://whiteintel.dev/entity/72d9d945-799b-5c5c-95fe-f49b0d7aff6c
- **DeSilva Nishan M** (director) — https://whiteintel.dev/entity/252af10a-9fa9-58d4-9af8-356925d34437
- **LYNCH TIMOTHY P** (director) — https://whiteintel.dev/entity/880b7ea4-b26e-5163-9ca8-203b1f9cb644
- **HEN STEWART** (director) — https://whiteintel.dev/entity/b41847ac-e6b7-57ea-b5bb-ccb789391637
- **CARUSO JAMES V** (officer) — https://whiteintel.dev/entity/251d1eea-4be3-5cea-a0cc-d502ecd6ebb3
- **CAGNONI PABLO J** (officer) — https://whiteintel.dev/entity/4b8f6a2c-a20a-55b0-bce1-d72cbead5f71
- **CASEY MICHAEL D** (director) — https://whiteintel.dev/entity/57790281-6bf5-5ff7-81fd-41cdb48e21db
- **BAKER BIOTECH CAPITAL (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/46647a72-2bfa-53b6-b828-8576239f577b
- **BAKER BROS CAPITAL GP LLC** (tenpercentowner) — https://whiteintel.dev/entity/7b54bcdb-db84-526a-8d27-3bdd941420c3
- **BAKER BIOTECH CAPITAL III (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/56dc88ca-9c2c-531b-801f-751daea59e68
- **BAKER / TISCH CAPITAL (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/f990f17a-cce2-5634-bd2e-453124e46759
- **BAKER FELIX** (tenpercentowner) — https://whiteintel.dev/entity/980331ac-181f-51ff-b75c-5447c0bf6ce1
- **BAKER JULIAN** (tenpercentowner) — https://whiteintel.dev/entity/dacbda6b-8969-5d7f-80c8-b04f77dbe37c
- **14159 CAPITAL (GP), LLC** (tenpercentowner) — https://whiteintel.dev/entity/64c43796-0039-519e-8174-bc7a2cdf3db2
- **RINGO WILLIAM R** (director) — https://whiteintel.dev/entity/0dbe6312-3545-5aad-af9d-2325efb477f6
- **EDWARDS MARK G** (director) — https://whiteintel.dev/entity/9049f204-091e-5484-8eb1-adb7d7e3c4c3
- **JAFFE MARVIN** (director) — https://whiteintel.dev/entity/42360e2b-0ff1-55b2-97a9-bcbcb4ee532c
- **HART MICHAEL E** (other) — https://whiteintel.dev/entity/12c57cc4-68ac-5e12-b6dc-13b53c8dc7f0

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

A **90-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 **ALLOS THERAPEUTICS**. Human view: https://whiteintel.dev/entity/4e00b74d-beb6-5d0f-ba45-4ae0f366fc77 · Structured JSON: https://whiteintel.dev/api/public/dossier/4e00b74d-beb6-5d0f-ba45-4ae0f366fc77._

_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"._