---
title: "SCHUMACHER MARK A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/483963f2-e820-5dcd-80d5-399007005690
json: https://whiteintel.dev/api/public/dossier/483963f2-e820-5dcd-80d5-399007005690
identifier: sec:0001234936
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SCHUMACHER MARK A

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001234936`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/483963f2-e820-5dcd-80d5-399007005690  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/483963f2-e820-5dcd-80d5-399007005690  

## Ownership & control

### Holdings / subsidiaries

- **ARCHSTONE SMITH TRUST** (officer) — https://whiteintel.dev/entity/40f6190f-b97f-5eeb-bc89-9b63893a621a
- **UDR, Inc.** (officer) — https://whiteintel.dev/entity/9b37d7f8-5133-587b-99f5-1c4480db4e77

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SCHUMACHER MARK A**. Human view: https://whiteintel.dev/entity/483963f2-e820-5dcd-80d5-399007005690 · Structured JSON: https://whiteintel.dev/api/public/dossier/483963f2-e820-5dcd-80d5-399007005690._

_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"._