---
title: "EBY MARTIN K JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/75657211-eeff-5a0c-9387-3be72dd4e22b
json: https://whiteintel.dev/api/public/dossier/75657211-eeff-5a0c-9387-3be72dd4e22b
identifier: sec:0001183427
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# EBY MARTIN K JR

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001183427`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/75657211-eeff-5a0c-9387-3be72dd4e22b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/75657211-eeff-5a0c-9387-3be72dd4e22b  

## Ownership & control

### Holdings / subsidiaries

- **AT&T INC.** (director) — https://whiteintel.dev/entity/011f21d2-250e-5c69-a298-fe08f9e5654e

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **EBY MARTIN K JR**. Human view: https://whiteintel.dev/entity/75657211-eeff-5a0c-9387-3be72dd4e22b · Structured JSON: https://whiteintel.dev/api/public/dossier/75657211-eeff-5a0c-9387-3be72dd4e22b._

_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"._