Investor · Wayzata, MN

Douglas M. Polinsky

Open Douglas in the network graph →

Filings

3

SEC Form D

Connections

27

co-filers

Capital

$450.0M

across filings

Active

Aug 2025

to Aug 2025

Most-connected co-filers (27)

William T. Comer · Del Mar, CA1 shared Dan E. Holt · Fort Wayne, IN1 shared Ralph E. Marcuccilli · Fort Wayne, IN1 shared Karl E. Lapan · Fort Wayne, IN1 shared Scott E. Miller · Fort Wayne, IN1 shared Kelli E. Schultz · Fort Wayne, IN1 shared Christine E. Marcuccilli · Fort Wayne, IN1 shared Jeffrey D. Harder · Houston, TX1 shared D. R. Schemel · WACONIA, MN1 shared Michael T. Cullen · WACONIA, MN1 shared Paul W. Schaffer · WACONIA, MN1 shared Thomas X. Neenan · Lexington, MA1 shared Howard G. Liszt · Bloomington, MN1 shared Joseph A. Geraci, Ii · Wayzata, MN1 shared Stephen A. Mackintosh · Wayzata, MN1 shared Marius A. Barnett · Wayzata, MN1 shared Dana P. Wagner · Wayzata, MN1 shared Neal Bloom · Encinitas, CA1 shared Christopher Larson · Asheville, NC1 shared Laurence Zipkin · Minneapolis, MN1 shared Paul M. Herron · Ponte Vedra Beach, FL1 shared Christopher R. Johnson · Eden Prairie, MN1 shared Ryan R. Gilbertson · Delano, MN1 shared Randall L. Johnson · Minnetonka, MN1 shared

Recent filings (3)

Mill City Ventures III, LtdAug 2025 · 11 co-filers$450.0M Mill City Ventures III, LtdAug 2025 · 11 co-filers$450.0M Sun BioPharma, Inc.Feb 2014 · 21 co-filers$6.0M Sun BioPharma, Inc.Feb 2014 · 21 co-filers$6.0M Mill City Ventures III, LtdAug 2013 · 6 co-filers$10.8M

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