Investor · Madison, WI

Frederick A. Robertson

Open Frederick in the network graph →

Filings

7

SEC Form D

Connections

8

co-filers

Capital

$29.0M

across filings

Active

Sep 2017

to May 2022

Most-connected co-filers (8)

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

Recent filings (7)

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 Frederick in the interactive graph →