Investor · New York, NY

Marc Rubinstein

Open Marc in the network graph →

Filings

7

SEC Form D

Connections

46

co-filers

Capital

$19.6M

across filings

Active

Apr 2021

to Feb 2023

Most-connected co-filers (46)

John Beadle · New York, NY5 shared Alan Cowen · New York, NY3 shared Janet Ho · New York, NY3 shared Lewis S. Ingall · CHICAGO, IL2 shared Alan Fairless · Raytown, MO2 shared Mary S. Ludgin · CHICAGO, IL2 shared Pete S. Fawcett · CHICAGO, IL2 shared Mattan Griffel · New York, NY2 shared Zack Gray · New York, NY2 shared Gregory S. Leadholm · Chicago, IL2 shared William Conroy · Lenexa, KS2 shared David Pearah · Lenexa, KS2 shared Bradley L. Whitman · Wayne, PA2 shared Cassie H. Malatesta · Cohasset, MA2 shared Jan H. Steenbrugge · Boston, MA2 shared Susan F. Orr · St. Louis, MO2 shared Owen E. Meyer · NEW YORK, NY2 shared John M. Lawrie · West Palm Beach, FL2 shared Christopher K. Manning · AUSTIN, TX2 shared Matthew Blancarte · Gig Harbor, WA2 shared Giulianna K. Ruiz · AUSTIN, TX2 shared Lon Chow · Chicago, IL2 shared Glenn K. Jacobson · AUSTIN, TX2 shared Michael Stanton · New York, NY2 shared

Recent filings (7)

Hume AI Inc.Jul 2025 · 11 co-filers$17.8M Hume AI Inc.Jul 2025 · 11 co-filers$17.8M Hume AI Inc.Feb 2023 · 15 co-filers$17.8M Hume AI Inc.Aug 2022 · 11 co-filers$6.0M SpiderOak, Inc.Apr 2022 · 23 co-filers$2.4M Ophelia Health, Inc.Dec 2021 · 8 co-filers$50.0M Ophelia Health, Inc.Apr 2021 · 8 co-filers$15.0M SpiderOak, Inc.Apr 2021 · 22 co-filers$6.3M

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