Investor · Beltsville, MD

Steven P. Cobourn

Open Steven in the network graph →

Filings

3

SEC Form D

Connections

39

co-filers

Capital

$21.5M

across filings

Active

Jul 2017

to Dec 2025

Most-connected co-filers (39)

David Kabakoff · San Diego, CA2 shared Michael Richman · GERMANTOWN, MD2 shared Elaine V. Jones · Beltsville, MD2 shared Clay Thomson · Charlottesville, VA1 shared John Leonard · BOSTON, MA1 shared Edward M. Nigro · Las Vegas, NV1 shared T. R. Sullivan · Las Vegas, NV1 shared James K. Sims · Vero Beach, FL1 shared William J. Hornbuckle Iv · Henderson, NV1 shared Katie S. Lever · Las Vegas, NV1 shared Michele J. Leiva · REDWOOD CITY, CA1 shared A. L. Finley · Fort Worth, TX1 shared Todd A. Nigro · Las Vegas, NV1 shared Hugh L. Rice · REDWOOD CITY, CA1 shared Yogesh Gupta · Princeton Junction, NJ1 shared Long Hill Partners Partners, LLC · Charlottesville, VA1 shared Tom Darden · Rialto, CA1 shared Daipayan Bhattacharya · Rialto, CA1 shared Kevin Heras · FERNDALE, MI1 shared Steve Glenn · Arvin, CA1 shared Kevin G. Shaw · Beltsville, MD1 shared Stephen G. Webster · Beltsville, MD1 shared Ellen G. Feigal · Beltsville, MD1 shared Sourav G. Kundu · Beltsville, MD1 shared

Recent filings (3)

NextCure, Inc.Dec 2025 · 23 co-filers$21.5M NextCure, Inc.Dec 2025 · 23 co-filers$21.5M NextCure, Inc.Nov 2018 · 19 co-filers$93.4M NextCure, Inc.Nov 2018 · 19 co-filers$93.4M VACCINEX, INC.Jul 2017 · 22 co-filers$18.2M VACCINEX, INC.Jul 2017 · 22 co-filers$18.2M

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