---
title: "HALVERSTADT DONALD B — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a7acaaeb-866c-58fa-9efe-d55bb6aadc10
json: https://whiteintel.dev/api/public/dossier/a7acaaeb-866c-58fa-9efe-d55bb6aadc10
identifier: sec:0001263100
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HALVERSTADT DONALD B

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001263100`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a7acaaeb-866c-58fa-9efe-d55bb6aadc10  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a7acaaeb-866c-58fa-9efe-d55bb6aadc10  

## Ownership & control

### Holdings / subsidiaries

- **BANCFIRST CORP /OK/** (director) — https://whiteintel.dev/entity/ac26aae7-1cf5-5013-b521-f990a9c32cf5
- **TRIAD HOSPITALS INC** (director) — https://whiteintel.dev/entity/bb7bb47f-8803-5cbd-b1bc-7c6e5261a413

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HALVERSTADT DONALD B**. Human view: https://whiteintel.dev/entity/a7acaaeb-866c-58fa-9efe-d55bb6aadc10 · Structured JSON: https://whiteintel.dev/api/public/dossier/a7acaaeb-866c-58fa-9efe-d55bb6aadc10._

_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"._