Investor · San Diego, CA

Mark Tuszynski

Open Mark in the network graph →

Filings

7

SEC Form D

Connections

59

co-filers

Capital

$10.7M

across filings

Active

Oct 2018

to Dec 2025

Most-connected co-filers (59)

Craig Andrews · San Diego, CA5 shared Robert Engler · San Diego, CA5 shared Yacov Koffler · San Diego, CA5 shared Robert Leibowitz · Hayward, CA4 shared Khilen C. Nathwani · Charneca Da Caparica, S13 shared Gary G. Benitt · Scottsdale, AZ3 shared Robert Bazzani · Schaumburg, IL3 shared Jesse C. Soleil · Brooklyn, NY3 shared Steve Fireng · Schaumburg, IL3 shared Oren Zeev · New York, NY3 shared Diana Eilert · Schaumburg, IL3 shared R. C. Hoehn-Saric · Schaumburg, IL3 shared Heather W. Atkinson · Colorado Springs, CO2 shared Mitchell Roth · Colorado Springs, CO2 shared Jed Walsh · Dallas, TX2 shared Lisa Colleran · ALAJUELA, G22 shared Brian J. Smith · San Francisco, CA2 shared HCR Potomac Fund GP, LLC · STAMFORD, CT2 shared Rudy Touzet · Miami, FL2 shared Ari L. Krashin · Holon, L32 shared Jean-Pierre Bizzari · Holon, L32 shared Stewart Resnick · Los Angeles, CA2 shared David Hung · ALAJUELA, G22 shared Anat Cohen-Dayag · Holon, L32 shared

Recent filings (7)

Auxilium Biotechnologies Inc.Dec 2025 · 11 co-filers$10.0M Auxilium Biotechnologies Inc.Oct 2025 · 11 co-filers$10.0M COMPUGEN LTDNov 2021 · 32 co-filers$20.0M Auxilium Biotechnologies Inc.Jan 2020 · 13 co-filers$4.0M Lyrical Foods, Inc.Sep 2019 · 13 co-filers$15.0M COMPUGEN LTDOct 2018 · 34 co-filers$12.0M Lyrical Foods, Inc.Oct 2018 · 19 co-filers$39.7M

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