Who owns Sperzel John J III?

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

What is Sperzel John J III's risk level?

WhiteIntel flags Sperzel John J III as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does Sperzel John J III appear across sources?

Sperzel John J III is indexed in the WhiteIntel corporate-ownership graph (US), with a source on every claim.

LIVE · CORPUS

PersonLow

Sperzel John J III

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

Sperzel John J III — US person (sec:0001602618). 6 holdings. Every claim linked to its source.

controls 6 companies

Ownership graph Export .md

JSON / MCPsample

The finding

Controls or directs 6 companies in the resolved graph.

Investigative lead by resolved identity, not a legal determination.

/01

Registry identity

Controls: 6 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

Sperzel John J III
- T2 Biosystems, Inc.· officer· via SEC EDGAR (Form 3/4/5)
- CHEMBIO DIAGNOSTICS INC.· director· via SEC EDGAR
- DIADEXUS, INC.· director· via SEC EDGAR

Nothing further is withheld here. The ownership and control links above are everything we have resolved for Sperzel John J III — 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 Sperzel John J III 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 Sperzel John J III is behind a paywall — everything we hold on this subject is already on this page.

/03

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.

●
CHEMBIO DIAGNOSTICS INC.
Also holds roles at 41 other companies
- SIEBERT LAWRENCE A.tenpercentowner
- PELOSSOF AVIofficer
- SIEBERT LAWRENCE A.officer
●
DIADEXUS, INC.
Also holds roles at 60 other companies
- RAFIELD LORI F PHDofficer
- Drexler Karendirector
- RAFIELD LORI F PHDdirector
●
T2 Biosystems, Inc.
Also holds roles at 70 other companies
- LIEBMAN SEYMOURdirector
- Giffin Brett A.officer
- Adams Laura Leedirector

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

/04

Common questions

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