Who owns MATHIESEN JEFFREY S?

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

What is MATHIESEN JEFFREY S's risk level?

WhiteIntel flags MATHIESEN JEFFREY S as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does MATHIESEN JEFFREY S appear across sources?

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

LIVE · CORPUS

PersonLow

MATHIESEN JEFFREY S

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

MATHIESEN JEFFREY S — US person (sec:0001296853). 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

MATHIESEN JEFFREY S
- NEUROONE MEDICAL TECHNOLOGIES Corp· director· via SEC EDGAR (Form 3/4/5)
- HELIUS MEDICAL TECHNOLOGIES, INC.· officer· via SEC EDGAR (Form 3/4/5)
- CIMARRON MEDICAL, INC.· director· via SEC EDGAR
- HEALTHCARE TRIANGLE, INC.· director· via SEC EDGAR
- MetaVia Inc.· officer· via SEC EDGAR
- CHF SOLUTIONS, INC.· officer· via SEC EDGAR
- WATERS INSTRUMENTS INC· officer· via SEC EDGAR

Nothing further is withheld here. The ownership and control links above are everything we have resolved for MATHIESEN JEFFREY S — 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 MATHIESEN JEFFREY S 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, nationality & aliases
Sanctions, PEP & watchlist detail
Direct connections (1 hop)
Community notes

Nothing further on MATHIESEN JEFFREY S is behind a paywall — everything we hold on this subject is already on this page.

/03

People & control

7 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.

●
CHF SOLUTIONS, INC.
Also holds roles at 53 other companies
- EMERSON MARTIN Jdirector
- MCDONALD DAVIDdirector
- WALLER GREGORY Ddirector
●
CIMARRON MEDICAL, INC.
Also holds roles at 35 other companies
- SIMPSON JENNIFER K.officer
- Nant Capital, LLCtenpercentowner
- SIMPSON JENNIFER K.director
●
HEALTHCARE TRIANGLE, INC.
Also holds roles at 21 other companies
- RAMACHANDRAN THYAGARAJANofficer
- KIZHAKEVILAYIL SHIBUofficer
- KIZHAKEVILAYIL SHIBUdirector
●
HELIUS MEDICAL TECHNOLOGIES, INC.
Also holds roles at 39 other companies
- Perkins Sherrie Ldirector
- Favit-Van Pelt Antonella R.officer
- Walter Blanedirector
●
MetaVia Inc.
Also holds roles at 47 other companies
- Woodworth Marshall Hofficer
- Kim Hyung Heonofficer
- TURSI JAMES PATRICKdirector
●
NEUROONE MEDICAL TECHNOLOGIES Corp
Also holds roles at 32 other companies
- Mertens Steveofficer
- Christianson Markofficer
- Rosa David Aofficer
●
WATERS INSTRUMENTS INC
Also holds roles at 8 other companies
- DALLAND DONALD Gofficer
- NORDQUIST DALEofficer
- NORDQUIST DALEdirector

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

/04

Common questions

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