---
title: "MACMASTER JR DOUGLAS J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2
json: https://whiteintel.dev/api/public/dossier/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2
identifier: sec:0001191305
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MACMASTER JR DOUGLAS J

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001191305`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2  

## Ownership & control

### Holdings / subsidiaries

- **MARTEK BIOSCIENCES CORP** (director) — https://whiteintel.dev/entity/c99f792f-173f-5648-a7b0-405743692fa2
- **NEOSE TECHNOLOGIES INC** (director) — https://whiteintel.dev/entity/a781ce52-1a68-507c-9a4f-25e50e52966c

## 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 **MACMASTER JR DOUGLAS J** — https://whiteintel.dev/entity/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MACMASTER JR DOUGLAS J**. Human view: https://whiteintel.dev/entity/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2 · Structured JSON: https://whiteintel.dev/api/public/dossier/93a1b49f-97fa-5bc3-b1a1-c3d06e6fbcb2._

_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"._