Investor · Madison, WI

Matthew D. Dobereiner

Open Matthew in the network graph →

Filings

1

SEC Form D

Connections

8

co-filers

Capital

$20.0M

across filings

Active

Jun 2025

to Jun 2025

Most-connected co-filers (8)

Christopher R. Fernandez · Madison, WI1 shared Samuel J. Rusk · Madison, WI1 shared Frederick A. Robertson · Madison, WI1 shared Broderick D. Hensen · Madison, WI1 shared John D. Rondoni · Madison, WI1 shared Scott D. Button · Madison, WI1 shared Justin D. Mortara · Madison, WI1 shared Mark Gorenberg · SAN FRANCISCO, CA1 shared

Recent filings (1)

ENSODATA, INC.Jun 2025 · 17 co-filers$20.0M ENSODATA, INC.Jun 2025 · 17 co-filers$20.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matthew in the interactive graph →