---
title: "AMERICAN SPECTRUM REALTY INC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/813cd91b-b197-5db2-867b-73ce47eefcb2
json: https://whiteintel.dev/api/public/dossier/813cd91b-b197-5db2-867b-73ce47eefcb2
identifier: sec:0001121783
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AMERICAN SPECTRUM REALTY INC

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001121783`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/813cd91b-b197-5db2-867b-73ce47eefcb2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/813cd91b-b197-5db2-867b-73ce47eefcb2  

## Ownership & control

### Owners / controllers

- **CALARDI JOHN N** (tenpercentowner) — https://whiteintel.dev/entity/568c7623-060d-5d6a-b0e7-00b80a36fe6c
- **WINFIELD JOHN V** (tenpercentowner) — https://whiteintel.dev/entity/1f603ed2-2540-5b70-885d-d6316f7c21bb
- **CARDEN WILLIAM J** (tenpercentowner) — https://whiteintel.dev/entity/e09c90ec-4ef9-5a71-a47e-145fedc5311c

### UBO chain (walk to the ultimate owner)

A **19-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AMERICAN SPECTRUM REALTY INC**. Human view: https://whiteintel.dev/entity/813cd91b-b197-5db2-867b-73ce47eefcb2 · Structured JSON: https://whiteintel.dev/api/public/dossier/813cd91b-b197-5db2-867b-73ce47eefcb2._

_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"._