---
title: "MACKAY MARTIN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f00ab692-b301-5e52-8cf3-155be5cf2238
json: https://whiteintel.dev/api/public/dossier/f00ab692-b301-5e52-8cf3-155be5cf2238
identifier: sec:0001414815
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MACKAY MARTIN

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001414815`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f00ab692-b301-5e52-8cf3-155be5cf2238  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f00ab692-b301-5e52-8cf3-155be5cf2238  

## Ownership & control

### Holdings / subsidiaries

- **Rallybio Corp** (director) — https://whiteintel.dev/entity/dea82766-1928-555e-ae39-e27b264fd1ca
- **CHARLES RIVER LABORATORIES INTERNATIONAL, INC.** (director) — https://whiteintel.dev/entity/126aaddd-0bd4-5c92-b5c1-1f6ae4d6c620
- **KAILERA THERAPEUTICS, INC.** (director) — https://whiteintel.dev/entity/a374bc29-832b-57f1-ae15-b2c2c939a417
- **Rallybio Corp** (director) — https://whiteintel.dev/entity/dea82766-1928-555e-ae39-e27b264fd1ca
- **SpringWorks Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/3ea79294-b456-5b28-8ce5-d246f1ec4d0c
- **Rallybio Corp** (officer) — https://whiteintel.dev/entity/dea82766-1928-555e-ae39-e27b264fd1ca
- **5:01 ACQUISITION CORP.** (director) — https://whiteintel.dev/entity/685956b0-7a38-54b7-95fc-42495d10b3b1
- **ALEXION PHARMACEUTICALS INC** (officer) — https://whiteintel.dev/entity/7842a64d-6d8c-59e1-82ea-575c4c24b5fa
- **PFIZER INC** (officer) — https://whiteintel.dev/entity/8a8a97ae-7543-5cb4-93fa-cf7f2fe558aa
- **ENCYSIVE PHARMACEUTICALS INC** (director) — https://whiteintel.dev/entity/fd2c776c-349e-5b45-9931-a7c9394e6494

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MACKAY MARTIN** — https://whiteintel.dev/entity/f00ab692-b301-5e52-8cf3-155be5cf2238 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MACKAY MARTIN**. Human view: https://whiteintel.dev/entity/f00ab692-b301-5e52-8cf3-155be5cf2238 · Structured JSON: https://whiteintel.dev/api/public/dossier/f00ab692-b301-5e52-8cf3-155be5cf2238._

_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"._