---
title: "SLEZAK MARK — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8155ca85-8e4e-5135-97b6-a13ed34af983
json: https://whiteintel.dev/api/public/dossier/8155ca85-8e4e-5135-97b6-a13ed34af983
identifier: sec:0001165644
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SLEZAK MARK

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001165644`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8155ca85-8e4e-5135-97b6-a13ed34af983  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8155ca85-8e4e-5135-97b6-a13ed34af983  

## Ownership & control

### Holdings / subsidiaries

- **NANOSPHERE INC** (tenpercentowner) — https://whiteintel.dev/entity/e77d4670-b719-552b-8050-300e9c08eadf
- **NANOSPHERE INC** (director) — https://whiteintel.dev/entity/e77d4670-b719-552b-8050-300e9c08eadf

## 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 **SLEZAK MARK** — https://whiteintel.dev/entity/8155ca85-8e4e-5135-97b6-a13ed34af983 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SLEZAK MARK**. Human view: https://whiteintel.dev/entity/8155ca85-8e4e-5135-97b6-a13ed34af983 · Structured JSON: https://whiteintel.dev/api/public/dossier/8155ca85-8e4e-5135-97b6-a13ed34af983._

_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"._