---
title: "NORTH AMERICAN SCIENTIFIC INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2667b232-f04f-5a16-8f9f-d9b2c8deeaca
json: https://whiteintel.dev/api/public/dossier/2667b232-f04f-5a16-8f9f-d9b2c8deeaca
identifier: sec:0000949876
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# NORTH AMERICAN SCIENTIFIC INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000949876`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2667b232-f04f-5a16-8f9f-d9b2c8deeaca  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2667b232-f04f-5a16-8f9f-d9b2c8deeaca  

## Ownership & control

### Owners / controllers

- **STARK BRIAN JAY** (tenpercentowner) — https://whiteintel.dev/entity/15fb4008-017d-57ac-b587-2a12659a463d
- **ROTH MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/411eb772-adbf-5777-804b-67048f15453f
- **YOUNG RODERICK A** (tenpercentowner) — https://whiteintel.dev/entity/4eb9322a-18bd-5e6b-b77d-707c371e5fc2
- **JAEGER WILFRED E** (tenpercentowner) — https://whiteintel.dev/entity/a9fb51a3-8a20-527e-b430-9aa0a0125bee
- **NICHOLSON BARCLAY** (tenpercentowner) — https://whiteintel.dev/entity/345bc918-0f39-58d4-9a7a-170115518b18
- **THREE ARCH PARTNERS IV LP** (tenpercentowner) — https://whiteintel.dev/entity/1d5a9508-fd2f-5c32-a07b-bfd7b2baa36b
- **TAC ASSOCIATES LP** (tenpercentowner) — https://whiteintel.dev/entity/a92f8a14-57d6-54e2-aa20-6c2dda31ed8c
- **CHL MEDICAL PARTNERS III LLC** (tenpercentowner) — https://whiteintel.dev/entity/20788aec-0b39-5d4b-b31d-c85941bdda26
- **THREE ARCH MANAGEMENT IV, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/70ca2978-67c5-5262-a00c-98a73bd5e472
- **THREE ARCH CAPITAL LP** (tenpercentowner) — https://whiteintel.dev/entity/9d223231-209f-58aa-9d81-22a70e65acf8
- **CHL MEDICAL PARTNERS III L P** (tenpercentowner) — https://whiteintel.dev/entity/b06d1d1d-b2fd-5293-abfd-09a446f874b9
- **WAN MARK A** (tenpercentowner) — https://whiteintel.dev/entity/631c7d85-8e8f-5155-9670-98d474e1db77
- **TAC MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/3ed7e718-fdf8-55aa-9ad7-58227e9b849b
- **THREE ARCH ASSOCIATES IV LP** (tenpercentowner) — https://whiteintel.dev/entity/63652bcc-79b6-5184-8ab0-a1c4c4d69114
- **CHL MEDICAL PARTNERS III SIDE FUND L P** (tenpercentowner) — https://whiteintel.dev/entity/d3add276-49a2-5a5f-bed3-17a52035cba5
- **FRIEDE JOHN A** (tenpercentowner) — https://whiteintel.dev/entity/02e03173-3a77-588a-bb6c-09c8115b1dbf

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

A **33-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.

## 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 **NORTH AMERICAN SCIENTIFIC INC** — https://whiteintel.dev/entity/2667b232-f04f-5a16-8f9f-d9b2c8deeaca · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NORTH AMERICAN SCIENTIFIC INC**. Human view: https://whiteintel.dev/entity/2667b232-f04f-5a16-8f9f-d9b2c8deeaca · Structured JSON: https://whiteintel.dev/api/public/dossier/2667b232-f04f-5a16-8f9f-d9b2c8deeaca._

_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"._