---
title: "SLEZAK ROBERT T — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ffd5c05d-7ebf-5a80-a7af-adcb24c00a8f
json: https://whiteintel.dev/api/public/dossier/ffd5c05d-7ebf-5a80-a7af-adcb24c00a8f
identifier: sec:0001159146
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SLEZAK ROBERT T

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001159146`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ffd5c05d-7ebf-5a80-a7af-adcb24c00a8f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ffd5c05d-7ebf-5a80-a7af-adcb24c00a8f  

## Ownership & control

### Holdings / subsidiaries

- **AMERITRADE HOLDING CORP** (director) — https://whiteintel.dev/entity/a26b6a4c-7181-59dc-870a-33355404e035

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SLEZAK ROBERT T**. Human view: https://whiteintel.dev/entity/ffd5c05d-7ebf-5a80-a7af-adcb24c00a8f · Structured JSON: https://whiteintel.dev/api/public/dossier/ffd5c05d-7ebf-5a80-a7af-adcb24c00a8f._

_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"._