---
title: "SCHWARTZ MARK N — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94
json: https://whiteintel.dev/api/public/dossier/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94
identifier: sec:0001261301
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SCHWARTZ MARK N

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001261301`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94  

## Ownership & control

### Holdings / subsidiaries

- **HYPERTENSION DIAGNOSTICS INC /MN** (director) — https://whiteintel.dev/entity/7d2750fc-61e6-52f5-b00e-62a319d684bb
- **HYPERTENSION DIAGNOSTICS INC /MN** (officer) — https://whiteintel.dev/entity/7d2750fc-61e6-52f5-b00e-62a319d684bb
- **ONFOLIO HOLDINGS INC** (director) — https://whiteintel.dev/entity/8c8e1fb2-1cd3-5b96-adc0-12e794bd5a34

## 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 **SCHWARTZ MARK N** — https://whiteintel.dev/entity/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SCHWARTZ MARK N**. Human view: https://whiteintel.dev/entity/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94 · Structured JSON: https://whiteintel.dev/api/public/dossier/c8997c9c-9d91-53e3-9e5e-eeb2c5badf94._

_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"._