Investor · New York, NY

Mitchell Arnold

Open Mitchell in the network graph →

Filings

9

SEC Form D

Connections

77

co-filers

Capital

$5.7M

across filings

Active

Apr 2013

to Jan 2026

Most-connected co-filers (77)

Bruce T. Bernstein · New York, NY8 shared Fady Boctor · New York, NY8 shared Wayne R. Walker · New York, NY8 shared Andrew R. Gesek · New York, NY7 shared John D. Shulman · Chevy Chase, MD5 shared Gregory T. Bradley · New York, NY4 shared Joshua Silverman · New York, NY4 shared Joseph M. Varnas · San Francisco, CA3 shared Xavier P. Montagne · BOISBRIAND, Quebec, Canada3 shared Steven M. Eisenberg · San Francisco, CA3 shared Steve P. Barrenechea · BOISBRIAND, Quebec, Canada3 shared Christopher M. Klitgaard · Iowa City, IA3 shared Ken M. Manning · Iowa City, IA3 shared Matthew Newman · San Juan, Puerto Rico3 shared Tyler Winklevoss · New York, NY3 shared Brian M. Gragnolati · Iowa City, IA3 shared Luisa Ingargiola · VANCOUVER, British Columbia, Canada3 shared Kristina J. Bradshaw · Columbus, OH3 shared David Deutsch · New York, NY3 shared Patrick P. Bobby · BOISBRIAND, Quebec, Canada3 shared Kulwant Sandher · BOISBRIAND, Quebec, Canada3 shared Alexandre Mongeon · BOISBRIAND, Quebec, Canada3 shared Daniel M. Krzmarzick · Iowa City, IA3 shared Erika M. Crandall · San Francisco, CA3 shared

Recent filings (9)

Mirum Pharmaceuticals, Inc.Jan 2026 · 10 co-filers$68.5M Petros Pharmaceuticals, Inc.Jul 2023 · 16 co-filers$30.0M Petros Pharmaceuticals, Inc.Jul 2023 · 16 co-filers$30.0M Petros Pharmaceuticals, Inc.Jan 2022 · 23 co-filers$8.3M Petros Pharmaceuticals, Inc.Dec 2021 · 23 co-filers$12.8M Petros Pharmaceuticals, Inc.Oct 2021 · 23 co-filers$5.9M NATIONAL TELCOM CORPDec 2020 · 33 co-filers$62.6M Mirum Pharmaceuticals, Inc.Dec 2020 · 31 co-filers$10.0M NATIONAL TELCOM CORPSep 2018 · 26 co-filers$5.0M RTIC HOLDING COMPANY, INC.Apr 2013 · 5 co-filers$14.7M

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