Investor · SAN FRANCISCO, CA
Charles Casamento
Open Charles in the network graph →Filings
36
SEC Form D
Connections
80
co-filers
Capital
$6.0M
across filings
Active
Jan 2023
to May 2025
Most-connected co-filers (80)
Robert F. Allnutt · Irvine, CA16 sharedCarl W. Cotman · Irvine, CA16 sharedMaria S. Messinger · Irvine, CA15 sharedPeter F. Drake · Irvine, CA14 sharedMatt Fates · Boston, MA13 sharedMichael A. Clements · Long Beach, CA13 sharedLawrence A. Genovesi · Avon, MA13 sharedWilliam B. Elliott · Avon, MA13 sharedDavid E. Aronson · Chicago, IL13 sharedWilliam Blake · Waltham, MA11 sharedWilliam Strecker · Waltham, MA11 sharedSteven A. Johnson · Irvine, CA4 sharedMark A. Varney · Irvine, CA4 sharedJohn F. Benedik · Irvine, CA3 sharedM. R. Johnson · Irvine, CA3 sharedAlan Urban · SAN FRANCISCO, CA3 sharedFrederick S. Conklin · Orinda, CA3 sharedMichael Breen · SAN FRANCISCO, CA3 sharedJames H. Coleman · Spokane, WA3 sharedPaul Maier · San Diego, CA3 sharedRoger G. Stoll · New York, NY3 sharedMartin Barrack · SAN DIEGO, CA2 sharedGabriel Bousbib · New York, NY2 sharedLisa Dow · Seattle, WA2 shared
Recent filings (36)
GT Biopharma, Inc.May 2025 · 14 co-filers$20.0MGT Biopharma, Inc.May 2025 · 14 co-filers$6.0MGT Biopharma, Inc.Mar 2025 · 9 co-filers$1.3MGT Biopharma, Inc.Mar 2025 · 9 co-filers$1.3MHall Las Vegas Hotel Fund VII, LPJan 2025 · 8 co-filers$56.0MHall Las Vegas Hotel Fund VII, LPJan 2025 · 8 co-filers$56.0MEton Pharmaceuticals, Inc.Apr 2020 · 11 co-filers$7.5MEton Pharmaceuticals, Inc.Apr 2020 · 11 co-filers$7.5MEton Pharmaceuticals, Inc.Jun 2017 · 9 co-filers$20.1MEton Pharmaceuticals, Inc.Jun 2017 · 9 co-filers$20.1MInternational Stem Cell CORPOct 2014 · 15 co-filers$2.5MInternational Stem Cell CORPOct 2014 · 15 co-filers$2.5MCORTEX PHARMACEUTICALS INC/DE/Aug 2012 · 11 co-filers$3.8MInternational Stem Cell CORPMar 2012 · 10 co-filers$5.0MCORTEX PHARMACEUTICALS INC/DE/Oct 2011 · 19 co-filers$675KTerascala IncJan 2010 · 7 co-filers$150KCORTEX PHARMACEUTICALS INC/DE/Jan 2010 · 12 co-filers$1.5MTerascala IncDec 2009 · 7 co-filers$575KTerascala IncNov 2009 · 11 co-filers$250KSUPERGEN INCNov 2009 · 7 co-filers$3.0MTerascala IncOct 2009 · 11 co-filers$275KTerascala IncOct 2009 · 11 co-filers$150KTerascala IncSep 2009 · 11 co-filers$120KTerascala IncSep 2009 · 11 co-filers$142KTerascala IncAug 2009 · 11 co-filers$200K
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Charles in the interactive graph →