---
title: "POST WILLIAM J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/48de2d0e-1eac-535f-96c8-eb7797f0f265
json: https://whiteintel.dev/api/public/dossier/48de2d0e-1eac-535f-96c8-eb7797f0f265
identifier: sec:0001027958
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# POST WILLIAM J

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001027958`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/48de2d0e-1eac-535f-96c8-eb7797f0f265  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/48de2d0e-1eac-535f-96c8-eb7797f0f265  

## Ownership & control

### Holdings / subsidiaries

- **FIRST SOLAR, INC.** (director) — https://whiteintel.dev/entity/1f627985-aacb-5e70-9c66-d091544cb9d8
- **PHELPS DODGE CORP** (director) — https://whiteintel.dev/entity/1ec1ab6d-1249-5d53-b24e-3b9dddbeef27
- **FIRST SOLAR, INC.** (director) — https://whiteintel.dev/entity/1f627985-aacb-5e70-9c66-d091544cb9d8
- **US AIRWAYS GROUP INC** (director) — https://whiteintel.dev/entity/3d529b0d-24b8-52f0-bb18-d71157c9b322
- **Knight-Swift Transportation Holdings Inc.** (director) — https://whiteintel.dev/entity/1cef9ffb-105d-57a2-9bf2-baa0544b3154
- **PINNACLE WEST CAPITAL CORP** (director) — https://whiteintel.dev/entity/0a706de0-f6da-539b-857d-84466afa564b
- **PINNACLE WEST CAPITAL CORP** (officerother) — https://whiteintel.dev/entity/0a706de0-f6da-539b-857d-84466afa564b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **POST WILLIAM J**. Human view: https://whiteintel.dev/entity/48de2d0e-1eac-535f-96c8-eb7797f0f265 · Structured JSON: https://whiteintel.dev/api/public/dossier/48de2d0e-1eac-535f-96c8-eb7797f0f265._

_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"._