Investor · Parsippany, NJ

John H. Martinson

Open John in the network graph →

Filings

34

SEC Form D

Connections

141

co-filers

Capital

$8.0M

across filings

Active

Mar 2011

to Jun 2021

Most-connected co-filers (141)

Ronald Cacciola · Camana Bay, Cayman Islands7 shared John H. Watts · New York, NY7 shared David H. Broussard · Wilmington, DE7 shared Gregory Mistele · Morristown, NJ7 shared John Aiello · New York, NY7 shared Daniel Watts · New York, NY6 shared Torrance Robinson · New York, NY6 shared Jens Nielsen · Santa Fe, NM5 shared Jack R. Ripsteen · SAN FRANCISCO, CA5 shared Rodney W. Cannon · Al Maryah Island, Abu Dhabi, C05 shared Joshua M. Barlow · NEWPORT BEACH, CA5 shared Potrero Capital Research, LLC · SAN FRANCISCO, CA5 shared Gary P. Golding · LAWRENCEVILLE, NJ5 shared MC Ventures US II GP, LP · Grand Cayman, Cayman Islands5 shared Paras P. Malde · Grand Cayman, Cayman Islands5 shared Christopher S. Sugden · PRINCETON, NJ5 shared Justin Dyer · Phoenix, AZ5 shared Allan J. Marchington · London, United Kingdom4 shared Steven A. Elms · New York, NY4 shared Brian Vermilyea · Milford, NH4 shared Albert Ni · San Francisco, CA4 shared Standish Fleming · Cardiff, CA4 shared Saiid Zarrabian · San Diego, CA4 shared Steve Diamond · Chevy Chase, MD4 shared

Recent filings (34)

Potrero Institutional Fund, LtdJun 2025 · 11 co-filers Potrero Institutional Fund, LtdJun 2024 · 11 co-filers Crypto Yield Fund I, LPDec 2023 · 2 co-filers Potrero Institutional Fund, LtdJun 2023 · 11 co-filers Avkin, Inc.Nov 2022 · 10 co-filers$1.5M Potrero Institutional Fund, LtdJun 2022 · 11 co-filers Avkin, Inc.Apr 2022 · 10 co-filers$625K Tridiuum, Inc.Jun 2021 · 13 co-filers$11.0M Tridiuum, Inc.Jun 2021 · 13 co-filers$11.0M Potrero Institutional Fund, LtdJun 2021 · 11 co-filers Crypto Yield Fund I, LPJun 2021 · 2 co-filers eChalk IncJan 2018 · 17 co-filers$200K K-Motion Interactive, Inc.Nov 2017 · 11 co-filers$1.6M eChalk IncDec 2016 · 17 co-filers$2.8M Kognito Solutions, LLCMay 2016 · 6 co-filers$1.0M Kognito Solutions, LLCMay 2016 · 6 co-filers$1.0M eChalk IncMar 2016 · 17 co-filers$1.8M K-Motion Interactive, Inc.Feb 2016 · 15 co-filers$1.9M K-Motion Interactive, Inc.Sep 2015 · 15 co-filers$1.0M K-Motion Interactive, Inc.Aug 2015 · 15 co-filers$684K Polaris Health Directions, Inc.Apr 2014 · 4 co-filers$750K Elevate HR, Inc.Mar 2014 · 5 co-filers$1.0M Elevate HR, Inc.Mar 2014 · 5 co-filers$1.0M 3VR Security IncNov 2013 · 11 co-filers$4.3M 3VR Security IncOct 2013 · 11 co-filers$4.3M

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