---
title: "HOLZGREFE FREDERICK J III — Ownership Dossier"
canonical: https://whiteintel.dev/entity/146426d0-aef2-5514-a8be-c5e72e27cabd
json: https://whiteintel.dev/api/public/dossier/146426d0-aef2-5514-a8be-c5e72e27cabd
identifier: sec:0001618555
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# HOLZGREFE FREDERICK J III

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001618555`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/146426d0-aef2-5514-a8be-c5e72e27cabd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/146426d0-aef2-5514-a8be-c5e72e27cabd  

## Ownership & control

### Holdings / subsidiaries

- **SAIA INC** (officer) — https://whiteintel.dev/entity/b708b19c-03dc-559e-82ec-a6c4b3b0f6dd
- **SAIA INC** (officer) — https://whiteintel.dev/entity/b708b19c-03dc-559e-82ec-a6c4b3b0f6dd
- **SAIA INC** (officer) — https://whiteintel.dev/entity/b708b19c-03dc-559e-82ec-a6c4b3b0f6dd
- **SAIA INC** (officer) — https://whiteintel.dev/entity/b708b19c-03dc-559e-82ec-a6c4b3b0f6dd

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HOLZGREFE FREDERICK J III**. Human view: https://whiteintel.dev/entity/146426d0-aef2-5514-a8be-c5e72e27cabd · Structured JSON: https://whiteintel.dev/api/public/dossier/146426d0-aef2-5514-a8be-c5e72e27cabd._

_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"._