Who owns GREEN JOHN B?

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

What is GREEN JOHN B's risk level?

WhiteIntel flags GREEN JOHN B as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does GREEN JOHN B appear across sources?

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

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GREEN JOHN B

Name: GREEN JOHN B — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, GREEN JOHN B, Company, US

GREEN JOHN B — US company (sec:0001243847). 3 holdings. Every claim linked to its source.

SEC 0001243847CompanyUS

Ownership graph Export .md

JSON / MCPsample

/01

Ownership & control

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.

Owners / controllers

None in current sources.

Holdings / subsidiaries

GREEN JOHN B
- GENZYME TRANSGENICS CORP· officer· via SEC EDGAR
- DICERNA PHARMACEUTICALS INC· officer· via SEC EDGAR
- Verastem, Inc.· officer· via SEC EDGAR

Nothing further is withheld here. The ownership and control links above are everything we have resolved for GREEN JOHN B — 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 GREEN JOHN B 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

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Identity, address & registry profile
Sanctions & watchlist detail
Direct connections (1 hop)
Community notes

Nothing further on GREEN JOHN B is behind a paywall — everything we hold on this subject is already on this page.

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People & control

3 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.

●
DICERNA PHARMACEUTICALS INC
Also holds roles at 77 other companies
- HOFFMAN STEPHEN Jdirector
- PAGAN DOUGLAS W.officer
- CIAPPENELLI ROBERT D.officer
●
GENZYME TRANSGENICS CORP
Also holds roles at 24 other companies
- MEADE HARRYofficer
- LIPOSKY GREGORY Fofficer
- COX GEOFFREY Fofficer
●
Verastem, Inc.
Also holds roles at 92 other companies
- Calkins Danielofficer
- Paterson Danofficer
- Gagnon Robert E.director

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

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Common questions

Who owns GREEN JOHN B?: No ownership or control links for GREEN JOHN B are resolved in the current sources yet — view the network graph to expand, or pull the cited JSON dossier.
What is GREEN JOHN B's risk level?: WhiteIntel flags GREEN JOHN B as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.
Where does GREEN JOHN B appear across sources?: GREEN JOHN B 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 GREEN JOHN B. 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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