Investor · Ann Arbor, MI

Stephen K. Dirubio

Open Stephen in the network graph →

Filings

4

SEC Form D

Connections

5

co-filers

Capital

$6.9M

across filings

Active

Dec 2024

to Mar 2026

Most-connected co-filers (5)

Gyouho Kim · Ann Arbor, MI4 shared Thomas M. Leonard · Ann Arbor, MI4 shared Michael Hurton · Ann Arbor, MI4 shared Felicia David-Visser · Ann Arbor, MI4 shared William U. Martin · Ann Arbor, MI1 shared

Recent filings (4)

CubeWorks, Inc.Mar 2026 · 4 co-filers$7.0M CubeWorks, Inc.Nov 2025 · 4 co-filers$2.0M CubeWorks, Inc.Apr 2025 · 4 co-filers$440K CubeWorks, Inc.Dec 2024 · 5 co-filers$14.4M

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