---
title: "LUCZO STEPHEN J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1afbd7ee-35b1-5d6e-ae51-c85db2bbfee2
json: https://whiteintel.dev/api/public/dossier/1afbd7ee-35b1-5d6e-ae51-c85db2bbfee2
identifier: sec:0001248260
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LUCZO STEPHEN J

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001248260`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1afbd7ee-35b1-5d6e-ae51-c85db2bbfee2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1afbd7ee-35b1-5d6e-ae51-c85db2bbfee2  

## Ownership & control

### Holdings / subsidiaries

- **AT&T INC.** (director) — https://whiteintel.dev/entity/011f21d2-250e-5c69-a298-fe08f9e5654e
- **MORGAN STANLEY** (director) — https://whiteintel.dev/entity/3d81dfe7-8c02-51a4-8d0b-c68732a75896
- **AT&T INC.** (director) — https://whiteintel.dev/entity/011f21d2-250e-5c69-a298-fe08f9e5654e
- **MORGAN STANLEY** (director) — https://whiteintel.dev/entity/3d81dfe7-8c02-51a4-8d0b-c68732a75896
- **Seagate Technology Holdings plc** (director) — https://whiteintel.dev/entity/15b58599-46c3-52c0-b55a-923af1c5b7c5
- **Seagate Technology Holdings plc** (officer) — https://whiteintel.dev/entity/15b58599-46c3-52c0-b55a-923af1c5b7c5
- **MICROSOFT CORP** (director) — https://whiteintel.dev/entity/de8f2fc9-9f95-5215-89a9-e422bb062a7a
- **Seagate Technology Holdings plc** (directorother) — https://whiteintel.dev/entity/15b58599-46c3-52c0-b55a-923af1c5b7c5

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LUCZO STEPHEN J**. Human view: https://whiteintel.dev/entity/1afbd7ee-35b1-5d6e-ae51-c85db2bbfee2 · Structured JSON: https://whiteintel.dev/api/public/dossier/1afbd7ee-35b1-5d6e-ae51-c85db2bbfee2._

_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"._