Investor · GLENCOE, IL

Peter Holstein

Open Peter in the network graph →

Filings

11

SEC Form D

Connections

26

co-filers

Capital

—

across filings

Active

Aug 2018

to Sep 2025

Most-connected co-filers (26)

Matthew Jaffee · GLENCOE, IL5 shared Matthew Schneider · GLENCOE, IL4 shared Peter Shkreli · Bethesda, MD2 shared Blake Potolicchio · Bethesda, MD2 shared Michael Rabin · Bethesda, MD2 shared Kathryn Leaf · SAN FRANCISCO, CA2 shared Chris Hadfield · San Jose, CA2 shared John Rood · San Jose, CA2 shared Kimberly Reed · San Jose, CA2 shared Vic Mercado · San Jose, CA2 shared Jon Layman · San Jose, CA2 shared Lon Ensler · San Jose, CA2 shared Linda Reiners · San Jose, CA2 shared Mitchel Kugler · San Jose, CA2 shared Bhuplesh Gupta · Scottsdale, AZ2 shared Matt Huang · New York, NY2 shared David Diamond · Rockford, IL2 shared Brendan Bader · Prosper, TX2 shared Peter Holstein · Northbrook, IL2 shared Brian Kabot · MIAMI, FL2 shared Middleton Open Season Fund Ii GP LLC · GLENCOE, IL2 shared Rob Schwarz · San Joes, CA2 shared Balamurugan Krishnan · SCOTTSDALE, AZ2 shared Douglas L. Gessner · Glencoe, IL1 shared

Recent filings (11)

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-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

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