Investor · San Francisco, CA

Bruce Hack

Open Bruce in the network graph →

Filings

13

SEC Form D

Connections

80

co-filers

Capital

$99.3M

across filings

Active

Jun 2010

to Nov 2025

Most-connected co-filers (80)

Deborah C. Mash, Ph.D · Miami, FL6 shared Charles E. Koob · Irvine, CA6 shared Holger L. Weis · Fort Lauderdale, FL6 shared Jeffrey L. Raney · Fort Lauderdale, FL5 shared Parker H. Petit · Destin, FL5 shared Gregory S. Wood · Salt Lake City, UT4 shared Anne-Sophie Whitehead · Newark, NJ4 shared Henry L. Mellon · Fort Lauderdale, FL4 shared Kenneth Defontes · Sunnyvale, CA3 shared John Mohnach · Tempe, AZ3 shared Mark Comiso · Cupertino, CA3 shared James R. Kavalec · Cleveland, OH3 shared Donald J. Hoffman · Cleveland, OH3 shared E. D. Kramer · Miami, FL3 shared Neal Starling · Sunnyvale, CA3 shared Steven M. Paul, M.D · Miami, FL3 shared Jigar J. Shah · NEW YORK, NY3 shared Lawrence Friedhoff, M.D., Ph.D., Facp · Miami, FL3 shared Linda S. Atkins · Cleveland, OH3 shared Charles Evans · Cleveland, OH3 shared J.W. Roth · Colorado Springs, CO2 shared Michael Malm · Colorado Springs, CO2 shared Steve Gorlin · Destin, FL2 shared Michael Jaynes · Colorado Springs, CO2 shared

Recent filings (13)

SURF AIR MOBILITY INC.Nov 2025 · 19 co-filers$83.7M SURF AIR MOBILITY INC.Nov 2025 · 19 co-filers$83.7M Props2Fantasy.com, Inc.Nov 2022 · 9 co-filers$5.2M Props2Fantasy.com, Inc.Nov 2022 · 9 co-filers$5.2M MIMEDX GROUP, INC.Jan 2016 · 21 co-filers MIMEDX GROUP, INC.Jan 2016 · 21 co-filers Maximum Play, Inc.May 2015 · 9 co-filers$15.0M Maximum Play, Inc.May 2015 · 9 co-filers$15.0M DemeRx, Inc.May 2015 · 15 co-filers$500K DemeRx, Inc.May 2015 · 15 co-filers$500K DemeRx, Inc.Mar 2013 · 21 co-filers$11.0M DemeRx, Inc.Feb 2013 · 23 co-filers$11.0M DemeRx, Inc.Sep 2012 · 23 co-filers$8.3M Hangover Joe's, Inc.Aug 2012 · 5 co-filers$500K Hangover Joe's, Inc.Apr 2012 · 5 co-filers$1.5M MIMEDX GROUP, INC.Nov 2010 · 21 co-filers$5.0M DemeRx, Inc.Jun 2010 · 15 co-filers$15.0M DemeRx, Inc.Jun 2010 · 15 co-filers$15.0M ISUPPLI INCJun 2010 · 8 co-filers$443K ISUPPLI INCJun 2010 · 8 co-filers$443K

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