Investor · San Diego, CA

David L. Barker, Ph.D

Open David in the network graph →

Filings

14

SEC Form D

Connections

75

co-filers

Capital

$79.4M

across filings

Active

Oct 2009

to Oct 2023

Most-connected co-filers (75)

Christopher A. Twomey · San Diego, CA9 shared Albert A. Luderer, Ph.D · San Diego, CA7 shared R. Erik Holmlin, Ph.D · San Diego, CA7 shared Bennett M. Shapiro · Cambridge, MA7 shared Saiyed A. Raza · Menlo Park, CA6 shared Wayne Cantwell · Louisville, CO6 shared Bernie Aronson · Santa Clara, CA5 shared Irwin Federman · MENLO PARK, CA5 shared Steven Goldberg · Fremont, CA5 shared John Cioffi · Irvine, CA5 shared Mark Di Ianni · Valley Falls, NY4 shared James Yanney · Centerville, UT4 shared Lacy Bizios · Centerville, UT4 shared Richard Gordon · Camana Bay, Grand Cayman, Cayman Islands4 shared Brian Kabot · MIAMI, FL4 shared William B. Millis · Centerville, UT4 shared Richard Takahashi · Centerville, UT4 shared John A. Rogers · New York, NY4 shared Benjamin Lowy · New York, NY4 shared Michael Castor · NEW YORK, NY4 shared Charles R. Holzer · Culver City, CA4 shared Ann E. Kono · Culver City, CA4 shared Dave Ekland · Centerville, UT4 shared Milt Cheever · Centerville, UT4 shared

Recent filings (14)

Bionano Genomics, Inc.Oct 2023 · 32 co-filers$35.0M Bionano Genomics, Inc.Oct 2021 · 34 co-filers$41.9M Secturion Systems, Inc.Jul 2020 · 17 co-filers$2.0M Secturion Systems, Inc.May 2019 · 17 co-filers$2.0M Bionano Genomics, IncMar 2019 · 23 co-filers$11.5M Secturion Systems, Inc.Feb 2018 · 17 co-filers$9.0M eASIC CorpNov 2017 · 14 co-filers$15.3M Secturion Systems, Inc.Nov 2017 · 17 co-filers$7.0M eASIC CorpOct 2013 · 7 co-filers$390K EASIC CORPSep 2011 · 10 co-filers$12.5M EASIC CORPJun 2010 · 9 co-filers$16.2M EASIC CORPApr 2010 · 9 co-filers$12.0M EASIC CORPDec 2009 · 9 co-filers$12.0M EASIC CORPOct 2009 · 9 co-filers$12.0M

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