Who owns MACKAY MARTIN?

No ownership or control links for MACKAY MARTIN are resolved in the current sources yet — view the network graph to expand, or pull the cited JSON dossier.

What is MACKAY MARTIN's risk level?

WhiteIntel flags MACKAY MARTIN as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does MACKAY MARTIN appear across sources?

MACKAY MARTIN is indexed in the WhiteIntel corporate-ownership graph (US), with a source on every claim.

LIVE · CORPUS

PersonLow

MACKAY MARTIN

Name: MACKAY MARTIN — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, MACKAY MARTIN, Person, US

MACKAY MARTIN — US person (sec:0001414815). 10 holdings. Every claim linked to its source.

controls 10 companies

Ownership graph Export .md

JSON / MCPsample

The finding

Controls or directs 10 companies in the resolved graph.

Investigative lead by resolved identity, not a legal determination.

/01

Registry identity

Controls: 10 companies
Risk: Low
Jurisdiction: US

/02

Control & directorships

Links are shown as observed in a source registry — we do not currently hold ownership end dates, so a link here may since have ended. Each row carries its source; check it before relying on currency.

Controlled by

None in current sources.

Directorships & controlled companies

MACKAY MARTIN
- Rallybio Corp· director· via SEC EDGAR (Form 3/4/5)
- CHARLES RIVER LABORATORIES INTERNATIONAL, INC.· director· via SEC EDGAR
- KAILERA THERAPEUTICS, INC.· director· via SEC EDGAR
- SpringWorks Therapeutics, Inc.· director· via SEC EDGAR
- 5:01 ACQUISITION CORP.· director· via SEC EDGAR
- ALEXION PHARMACEUTICALS INC· officer· via SEC EDGAR
- PFIZER INC· officer· via SEC EDGAR
- ENCYSIVE PHARMACEUTICALS INC· director· via SEC EDGAR

Nothing further is withheld here. The ownership and control links above are everything we have resolved for MACKAY MARTIN — there is no deeper chain behind a paywall. Absence means “not observed in our current sources” — it is not a finding of none.

Monitoring

Coverage of MACKAY MARTIN is still thin in the current sources. Watch it and we'll flag the moment new ownership, filings or risk signals land.

Explore US coverage

WHAT YOU CAN SEEFREE

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4 items you can read right now — no account, no payment.

Identity, nationality & aliases
Sanctions, PEP & watchlist detail
Direct connections (1 hop)
Community notes

Nothing further on MACKAY MARTIN is behind a paywall — everything we hold on this subject is already on this page.

/03

People & control

8 parties · 0 current

Every officer, person with significant control and cross-company role we hold, resolved into one entry per party. Roles are registry records, not a claim of control.

●
5:01 ACQUISITION CORP.
Also holds roles at 15 other companies
- PARMAR KUSHdirector
- PARMAR KUSHtenpercentowner
- RUTH JASON R.officer
●
ALEXION PHARMACEUTICALS INC
Also holds roles at 58 other companies
- KEISER DAVID Wofficer
- WAEGER RUEDI Edirector
- Sinha Vikasofficer
●
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Also holds roles at 51 other companies
- Girshick Birgitofficer
- FOSTER JAMES Cofficer
- LaPlume Joseph Wofficer
●
ENCYSIVE PHARMACEUTICALS INC
Also holds roles at 26 other companies
- THOMSON JAMES Adirector
- GIVEN BRUCE Ddirector
- COLE GEORGE Wofficer
●
KAILERA THERAPEUTICS, INC.
Also holds roles at 32 other companies
- PAGAN DOUGLAS W.officer
- MILLIGAN JOHN Fdirector
- Bain Capital Life Sciences Investors, LLCtenpercentowner
●
PFIZER INC
Also holds roles at 113 other companies
- BOURLA ALBERTofficer
- Baum Andrewofficer
- Denton David Mofficer
●
Rallybio Corp
Also holds roles at 35 other companies
- Uden Stephenofficer
- Ryder Stevenofficer
- Lieber Jonathan Iofficer
●
SpringWorks Therapeutics, Inc.
Also holds roles at 35 other companies
- Edris Badreddinofficer
- Islam Saqibofficer
- Ashar Bhaveshofficer

8 parties · 0 current. Ceased and resigned records are retained as history.

/04

Common questions

Who owns MACKAY MARTIN?: No ownership or control links for MACKAY MARTIN are resolved in the current sources yet — view the network graph to expand, or pull the cited JSON dossier.
What is MACKAY MARTIN's risk level?: WhiteIntel flags MACKAY MARTIN as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.
Where does MACKAY MARTIN appear across sources?: MACKAY MARTIN is indexed in the WhiteIntel corporate-ownership graph (US), with a source on every claim.

Community intel

Crowd leads · unverified

Tips, corrections and leads contributed by the community on MACKAY MARTIN. These are unverified leads, not WhiteIntel findings — we surface them for investigators to chase, and analyse the corroborated ones into SnitchScore.

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