---
title: "MAYER DIANA K — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e6d08eed-d4bf-5e5e-b29d-db95ffcdfcbc
json: https://whiteintel.dev/api/public/dossier/e6d08eed-d4bf-5e5e-b29d-db95ffcdfcbc
identifier: sec:0001364439
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAYER DIANA K

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001364439`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e6d08eed-d4bf-5e5e-b29d-db95ffcdfcbc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e6d08eed-d4bf-5e5e-b29d-db95ffcdfcbc  

## Ownership & control

### Holdings / subsidiaries

- **TRANSATLANTIC HOLDINGS INC** (director) — https://whiteintel.dev/entity/f4e3ff68-8e6f-50de-b325-9059f55e3845

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAYER DIANA K**. Human view: https://whiteintel.dev/entity/e6d08eed-d4bf-5e5e-b29d-db95ffcdfcbc · Structured JSON: https://whiteintel.dev/api/public/dossier/e6d08eed-d4bf-5e5e-b29d-db95ffcdfcbc._

_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"._