Investor · Seattle, WA
Marc Singer
Open Marc in the network graph →Filings
50
SEC Form D
Connections
250
co-filers
Capital
$101.0M
across filings
Active
Dec 2009
to Nov 2025
Most-connected co-filers (250)
Gregory Frankel · Miami, FL22 sharedBrandon D. Laxton · Prosper, TX15 sharedJesse Hutcher · New York, NY14 sharedCarmichael J. Roberts · Boston, MA13 sharedDavid Icke · Cambridge, MA12 sharedJohn Rogers · Bethesda, MD9 sharedRobert D. Hinton · Manakin Sabot, VA8 sharedJordan B. Hansell · Columbus, OH8 sharedKevin Malik · ENCINITAS, CA8 sharedBryce Ambraziunas · Denver, CO8 sharedBradley L. Worsham · Manakin Sabot, VA8 sharedCarl D. Gupton · Manakin Sabot, VA8 sharedCarl W. Hafele · Louisville, KY8 sharedJohn M. May · Manakin Sabot, VA8 sharedTodd Vernon · Denver, CO8 sharedCharles M. Metzgar · Manakin Sabot, VA8 sharedDavid S. Morin · Montreal, Quebec, Canada8 sharedCordgrass Advisors, LLC · Fort Worth, TX8 sharedLaura D. Bacon · Manakin Sabot, VA8 sharedGreg Sands · Denver, CO8 sharedThomas E. Pruitt · Manakin Sabot, VA8 sharedJames J. Lentz · Phoenix, AZ8 sharedWilliam Guttman · ATLANTA, GA8 sharedJiong D. Ma · Lexington, MA7 shared
Recent filings (50)
Homebase Automation, LLCNov 2025 · 3 co-filers$500KHomebase Automation, LLCNov 2025 · 3 co-filers$500KHomebase Automation, LLCMar 2025 · 3 co-filers$500KHomebase Automation, LLCMar 2025 · 3 co-filers$500KHomebase Automation, LLCSep 2024 · 5 co-filers$500KHomebase Automation, LLCSep 2024 · 5 co-filers$500KGreenswell Growers, Inc.Sep 2024 · 23 co-filers$750KGreenswell Growers, Inc.Dec 2023 · 23 co-filers$500KAlto Neuroscience, Inc.Nov 2023 · 29 co-filers$59.3MAlto Neuroscience, Inc.Nov 2023 · 29 co-filers$7.7MAlto Neuroscience, Inc.Nov 2023 · 29 co-filers$31.9MAlto Neuroscience, Inc.Nov 2023 · 29 co-filers$45.0MHomebase Automation, LLCNov 2023 · 5 co-filers$1.0MHomebase Automation, LLCNov 2023 · 5 co-filers$1.0MGreenswell Growers, Inc.Apr 2023 · 20 co-filers$550KGreenswell Growers, Inc.Apr 2023 · 23 co-filers$6.4MHomebase Automation, LLCMar 2023 · 5 co-filers$400KGranite Equity LLCOct 2022 · 47 co-filers$10.0MGreenswell Growers, Inc.Jul 2022 · 20 co-filers$300KGreenswell Growers, Inc.May 2022 · 20 co-filers$300KGranite Equity LLCMay 2022 · 47 co-filers$160.0MGreenswell Growers, Inc.May 2022 · 20 co-filers$1.4MGranite Equity LLCMay 2022 · 46 co-filers$160.0MGreenswell Growers, Inc.Apr 2022 · 20 co-filers$1.0MHomebase Automation, LLCApr 2022 · 5 co-filers$1.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Marc in the interactive graph →