---
title: "MARTIN JOHN A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/addea427-2c0f-5f54-ad18-5e4d7d1315e7
json: https://whiteintel.dev/api/public/dossier/addea427-2c0f-5f54-ad18-5e4d7d1315e7
identifier: sec:0001322721
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARTIN JOHN A

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001322721`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/addea427-2c0f-5f54-ad18-5e4d7d1315e7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/addea427-2c0f-5f54-ad18-5e4d7d1315e7  

## Ownership & control

### Holdings / subsidiaries

- **TEXAS REGIONAL BANCSHARES INC** (officer) — https://whiteintel.dev/entity/3581de1b-9da1-5fe2-8e04-d401bea53b9d
- **Hilltop Holdings Inc.** (officer) — https://whiteintel.dev/entity/1dee3b03-5187-56ba-8cf4-0647b04c45bf
- **PLAINS CAPITAL CORP** (officer) — https://whiteintel.dev/entity/91cb7c15-81fa-5e4e-9ee5-ac4385fc3783

## 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 **MARTIN JOHN A** — https://whiteintel.dev/entity/addea427-2c0f-5f54-ad18-5e4d7d1315e7 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARTIN JOHN A**. Human view: https://whiteintel.dev/entity/addea427-2c0f-5f54-ad18-5e4d7d1315e7 · Structured JSON: https://whiteintel.dev/api/public/dossier/addea427-2c0f-5f54-ad18-5e4d7d1315e7._

_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"._