---
title: "HAYDEN GERARD M JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c0bc7eeb-57dc-5248-ab2a-b430eab196ee
json: https://whiteintel.dev/api/public/dossier/c0bc7eeb-57dc-5248-ab2a-b430eab196ee
identifier: sec:0001223056
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HAYDEN GERARD M JR

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001223056`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c0bc7eeb-57dc-5248-ab2a-b430eab196ee  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c0bc7eeb-57dc-5248-ab2a-b430eab196ee  

## Ownership & control

### Holdings / subsidiaries

- **IMAC Holdings, Inc.** (director) — https://whiteintel.dev/entity/af37f6a6-0e17-5b99-9fee-dbc8fdca113c
- **HEALTHSTREAM INC** (officer) — https://whiteintel.dev/entity/12333f1f-c651-5bf5-a7a8-5658d8346578
- **PM LIQUIDATING CORP.** (officer) — https://whiteintel.dev/entity/26749dbf-caf3-59c1-b833-1b05d21d7a6b
- **HEALTHSTREAM INC** (director) — https://whiteintel.dev/entity/12333f1f-c651-5bf5-a7a8-5658d8346578

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HAYDEN GERARD M JR**. Human view: https://whiteintel.dev/entity/c0bc7eeb-57dc-5248-ab2a-b430eab196ee · Structured JSON: https://whiteintel.dev/api/public/dossier/c0bc7eeb-57dc-5248-ab2a-b430eab196ee._

_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"._