Investor · GLENCOE, IL

Matthew Jaffee

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Filings

9

SEC Form D

Connections

63

co-filers

Capital

—

across filings

Active

May 2023

to Sep 2025

Most-connected co-filers (63)

Bhuplesh Gupta · Scottsdale, AZ6 shared Matthew Schneider · GLENCOE, IL6 shared Peter Holstein · GLENCOE, IL5 shared Robin M. Washington · Hayward, CA2 shared Nicholas Stageberg · Rochester, MN2 shared Brian Kabot · MIAMI, FL2 shared Joshua Stone · McKinney, TX2 shared Dan Thomason · Nashville, TN2 shared Balamurugan Krishnan · SCOTTSDALE, AZ2 shared Raymond Updyke · New York, NY2 shared Alchemation Limited Liability Company · NEW YORK, NY2 shared Joe D. Davis · Southlake, TX2 shared Simon J. Cox · HONG KONG, Hong Kong2 shared Leon M. Chen · Hayward, CA2 shared Dror M. Berman · Hayward, CA2 shared Roger M. Perlmutter · Hayward, CA2 shared Alicia Glen · New York, NY2 shared Peter Shkreli · Bethesda, MD2 shared Blake Potolicchio · Bethesda, MD2 shared Michael Rabin · Bethesda, MD2 shared George T. Hollan · Southlake, TX2 shared Kathryn Leaf · SAN FRANCISCO, CA2 shared Manasa Mantravadi · Indianapolis, IN2 shared Vincent Palmieri · Durham, NC2 shared

Recent filings (9)

Middleton Bevan Holdings, LLCNov 2025 · 9 co-filers$4.8M Middleton Bevan Holdings, LLCNov 2025 · 9 co-filers$4.8M Momentus Inc.Oct 2025 · 28 co-filers$1.6M Middleton Open Season Fund II LPSep 2025 · 10 co-filers$50.0M Middleton Open Season Fund II-A LPSep 2025 · 10 co-filers$50.0M Middleton Open Season Fund II-A LPSep 2025 · 10 co-filers$50.0M Middleton Open Season Fund II LPSep 2025 · 10 co-filers$50.0M Momentus Inc.May 2025 · 28 co-filers Eikon Therapeutics, Inc.Feb 2025 · 21 co-filers$400.0M REV Equity Fund I LLCJul 2023 · 10 co-filers$10.0M Eikon Therapeutics, Inc.Jun 2023 · 35 co-filers$535.0M REV Equity Fund I LLCMay 2023 · 10 co-filers$10.0M

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