Investor · Oberlin, OH

J Craig Brubaker

Open J in the network graph →

Filings

3

SEC Form D

Connections

6

co-filers

Capital

$338K

across filings

Active

Nov 2024

to Sep 2025

Most-connected co-filers (6)

John Baker · Oberlin, OH3 shared Remigio Perales · Oberlin, OH3 shared Nicola Baker · Oberlin, OH2 shared Jim Barnes · Oberlin, OH2 shared Jon Kuerschner · Oberlin, OH1 shared Kathryn Perales · Oberlin, OH1 shared

Recent filings (3)

US Positronix Inc.Sep 2025 · 5 co-filers$750K US Positronix Inc.Nov 2024 · 5 co-filers$800K US Positronix Inc.Sep 2023 · 8 co-filers$300K US Positronix Inc.Sep 2023 · 8 co-filers$300K

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