---
title: "IMCLONE SYSTEMS INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1da553e3-bede-57da-9ae5-2e763cd084cc
json: https://whiteintel.dev/api/public/dossier/1da553e3-bede-57da-9ae5-2e763cd084cc
identifier: sec:0000765258
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# IMCLONE SYSTEMS INC

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0000765258`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1da553e3-bede-57da-9ae5-2e763cd084cc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1da553e3-bede-57da-9ae5-2e763cd084cc  

## Ownership & control

### Owners / controllers

- **RABNEY ANDREA** (officer) — https://whiteintel.dev/entity/4281bfca-cf42-5d9d-9971-28fd0d104bd6
- **HOWERTON MICHAEL** (officer) — https://whiteintel.dev/entity/b31eca3b-58fb-5b8e-927f-bc0a90aa02c0
- **KIES DAVID** (directorother) — https://whiteintel.dev/entity/f2a383f5-c53d-5b1e-acc7-60832b003715
- **CROUSE WILLIAM W** (director) — https://whiteintel.dev/entity/47a6e4d4-5c9b-59da-ad59-b4e2a4fa9002
- **DEVITA VINCENT** (director) — https://whiteintel.dev/entity/225658e1-f745-503e-a31f-42671b9cba11
- **TARNOWSKI S JOSEPH** (officer) — https://whiteintel.dev/entity/25dfe3ce-8935-5a7c-9df5-2bca59442f09
- **CAMMY LISA** (officer) — https://whiteintel.dev/entity/4714167a-a28e-530e-b0db-17ec1b3a24d9
- **FISCHER JOSEPH L** (officer) — https://whiteintel.dev/entity/366fc20a-52fa-55cf-b1e5-78ddb05fc8c4
- **FROST PHILIP** (officer) — https://whiteintel.dev/entity/355511fa-8fb3-5694-8a05-b807e67e8eab
- **FISCHER JOSEPH L** (director) — https://whiteintel.dev/entity/366fc20a-52fa-55cf-b1e5-78ddb05fc8c4
- **FAZIO JOHN A** (director) — https://whiteintel.dev/entity/270afec7-47d5-5959-ac4a-e8742098cd8d
- **BODNAR ANDREW G** (director) — https://whiteintel.dev/entity/368c7523-7014-5779-97a6-6d18758506f4
- **CROWLEY RICHARD** (officer) — https://whiteintel.dev/entity/33df5e6a-86e7-5111-b3ac-b2bc9f9b1c01
- **STANCIC ANA** (officer) — https://whiteintel.dev/entity/c764a158-95f2-5a38-83fa-70cfea52e7a8
- **MILLER WILLIAM R** (director) — https://whiteintel.dev/entity/5f958193-f389-546f-a270-9b56d18f4bc6
- **TARNOWSKI S JOSEPH** (other) — https://whiteintel.dev/entity/25dfe3ce-8935-5a7c-9df5-2bca59442f09
- **ROWINSKY ERIC K** (officer) — https://whiteintel.dev/entity/72260e9f-06f7-5b23-8240-a5c7c4ab9ef3
- **MARTELL RON** (officer) — https://whiteintel.dev/entity/c448a6af-cf47-5c3f-92e1-ba68c25e2ded
- **SIDRANSKY DAVID** (directorother) — https://whiteintel.dev/entity/715ca444-92ca-5120-92b6-6e570e91b52a
- **RAMANATHAN ERIK** (officer) — https://whiteintel.dev/entity/0d9d9eb8-3479-56d3-8b13-9ccb974772d8
- **DENNER ALEXANDER J** (director) — https://whiteintel.dev/entity/f245cb89-d539-5640-9731-0ba0e80f1aa9
- **JOHNSON JOHN** (director) — https://whiteintel.dev/entity/f1b9433e-2034-5a42-b9c6-43d60277e6ea
- **JOHNSON JOHN** (officer) — https://whiteintel.dev/entity/f1b9433e-2034-5a42-b9c6-43d60277e6ea
- **POWELL ANDREW KENNETH WILLIAM** (officer) — https://whiteintel.dev/entity/2284d903-3935-5bd7-8c2f-7d1ba5eb9dd6
- **EHMER BERNHARD** (officer) — https://whiteintel.dev/entity/7e1b8675-222e-5055-be6c-bef5018b2471
- **BECKTON CORP** (tenpercentowner) — https://whiteintel.dev/entity/bf6a295c-3f76-5cf4-b829-f70f6d093b23
- **ICAHN ENTERPRISES G.P. INC.** (tenpercentowner) — https://whiteintel.dev/entity/5a11a2df-0e31-5cae-8b7a-ea5c9c23e0ec
- **HOPPER INVESTMENTS LLC** (tenpercentowner) — https://whiteintel.dev/entity/e7a1514e-a5b3-5e28-be1c-9451384e055d
- **HIGH RIVER LIMITED PARTNERSHIP** (tenpercentowner) — https://whiteintel.dev/entity/7f2998f1-e483-5e21-ba65-671b5b3b19ad
- **WITTE LARRY** (officer) — https://whiteintel.dev/entity/e9007e76-1504-5117-bd44-4cc8a2b2b21f
- **DEPINTO JOSEPH I** (officer) — https://whiteintel.dev/entity/9b67f1bd-6b88-5639-a9c2-6c047b42ae5a
- **ZUERBLIS KENNETH J** (officer) — https://whiteintel.dev/entity/f32e3c5e-7abd-5d9e-8e2b-3c92437a4910
- **SCHLOSS DAVID** (officer) — https://whiteintel.dev/entity/3c13dfd6-a3f2-5df6-bf90-053a613efab0
- **BARBERRY CORP /NY/** (tenpercentowner) — https://whiteintel.dev/entity/c0954338-ad57-5923-b49e-069c79540cd3
- **ICAHN ENTERPRISES HOLDINGS L.P.** (tenpercentowner) — https://whiteintel.dev/entity/86a8969d-e81a-518d-af77-217d7975b5f0
- **ICAHN CARL C** (tenpercentowner) — https://whiteintel.dev/entity/c30756b1-cd8f-5d39-b809-d9358a5b42c4
- **ICAHN CARL C** (director) — https://whiteintel.dev/entity/c30756b1-cd8f-5d39-b809-d9358a5b42c4
- **BAILEY MICHAEL P** (officer) — https://whiteintel.dev/entity/100a7475-a641-5ea7-94a0-733f15b62efb
- **CELENTANO JOHN E** (director) — https://whiteintel.dev/entity/0759727d-c5dd-5bb2-b0f5-9eb9a05fcbc2
- **MAYES, GREGORY T.** (officer) — https://whiteintel.dev/entity/c4d66f70-fcf8-5626-ac97-78b0c6386cbe
- **BORZILLERI PETER R** (officer) — https://whiteintel.dev/entity/c75701d8-9e01-582c-8268-bd651bb3f8e8
- **DEUEL THOMAS** (director) — https://whiteintel.dev/entity/cf7effa3-0973-5f34-b5b6-8b135ae20982
- **BONFIELD ANDREW R J** (director) — https://whiteintel.dev/entity/ddad26fa-ab98-5db2-8020-65adcbb367cf
- **Haimovitz Jules** (director) — https://whiteintel.dev/entity/a8919446-35c3-5b83-bd3c-0072207e3935
- **O'Connor Daniel J.** (officer) — https://whiteintel.dev/entity/9dbb6eda-67ba-5af1-a684-40d0cec91193
- **LIEBERT PETER** (director) — https://whiteintel.dev/entity/b09426b5-1e6a-5833-9973-aefdb9a54286
- **WOLER CHARLES** (director) — https://whiteintel.dev/entity/ae3f0221-6797-52c2-96c8-462b43e5e9a7
- **MULLIGAN RICHARD** (director) — https://whiteintel.dev/entity/8eaf87d5-3bb9-578d-8dce-551ed7443960
- **VIKING GLOBAL PERFORMANC LLC** (other) — https://whiteintel.dev/entity/f3af5bce-c85e-5dc7-904b-baca5aa99884
- **VIKING GLOBAL PERFORMANC LLC** (director) — https://whiteintel.dev/entity/f3af5bce-c85e-5dc7-904b-baca5aa99884

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

A **50-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 **IMCLONE SYSTEMS INC**. Human view: https://whiteintel.dev/entity/1da553e3-bede-57da-9ae5-2e763cd084cc · Structured JSON: https://whiteintel.dev/api/public/dossier/1da553e3-bede-57da-9ae5-2e763cd084cc._

_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"._