Investor · Chicago, IL

Joseph P. Karczewski

Open Joseph in the network graph →

Filings

46

SEC Form D

Connections

155

co-filers

Capital

$27.2M

across filings

Active

Jun 2018

to Apr 2025

Most-connected co-filers (155)

Mark L. Vorsatz · San Francisco, CA35 shared Daniel P. Depaoli · New York, NY34 shared Sid Luckenbach · San Francisco, CA28 shared Joann M. Murphy · New York, NY24 shared Thorne Sparkman · Providence, RI24 shared David P. Kapnick · San Francisco, CA22 shared Susan K. Swartz · Seattle, WA20 shared Gerald Desroches · New York, NY18 shared Mary K. Duffy · Los Angeles, CA16 shared Mary J. Murphy · New York, NY16 shared Halton S. Peters · Wilmington, DE16 shared Frank L. Cassidy · San Francisco, CA16 shared John Gogol · London, United Kingdom14 shared Chi Sing Ho · Hong Kong, Hong Kong14 shared Charles E. Peter · Cos Cob, CT12 shared Devin Grief · Miami, FL12 shared Jack Lee · Conroe, TX12 shared Jeff L. Malo · New York, NY12 shared Kyle York · BEDFORD, NH12 shared Joseph, Jr. M. Murphy · New York, NY10 shared Anthony D. Calabrese · New York, NY10 shared Patricia M. Macgillivray · New York, NY10 shared William J. Burke · New York, NY10 shared Christopher A. Crews · Del Mar, CA10 shared

Recent filings (46)

MD INVESTMENT LLCApr 2025 · 31 co-filers MD MANAGEMENT LLCApr 2025 · 31 co-filers MD INVESTMENT LLCApr 2024 · 35 co-filers$6.3M MD MANAGEMENT LLCApr 2024 · 35 co-filers$703K MD MANAGEMENT LLCApr 2023 · 29 co-filers$645K MD INVESTMENT LLCApr 2023 · 29 co-filers$5.8M MD MANAGEMENT LLCApr 2022 · 29 co-filers$514K MD INVESTMENT LLCApr 2022 · 28 co-filers$4.6M MD MANAGEMENT LLCApr 2021 · 29 co-filers$476K MD INVESTMENT LLCApr 2021 · 29 co-filers$4.3M MD MANAGEMENT LLCApr 2020 · 29 co-filers$312K MD INVESTMENT LLCApr 2020 · 29 co-filers$2.8M MD INVESTMENT LLCApr 2019 · 27 co-filers$2.3M MD MANAGEMENT LLCApr 2019 · 27 co-filers$261K Virtual Rights Management, LLCDec 2018 · 10 co-filers$10.0M 1457 Investment Group, LLCJun 2018 · 10 co-filers$10.0M Gadsden Growth Properties, Inc.Jun 2018 · 21 co-filers$2.0M Gadsden Growth Properties, L.P.Jun 2018 · 21 co-filers$2.0M MD INVESTMENT LLCApr 2018 · 26 co-filers$1.6M MD MANAGEMENT LLCApr 2018 · 26 co-filers$176K MD MANAGEMENT LLCApr 2017 · 17 co-filers$187K MD INVESTMENT LLCApr 2017 · 17 co-filers$1.7M MD INVESTMENT LLCApr 2016 · 19 co-filers$1.2M MD MANAGEMENT LLCApr 2016 · 19 co-filers$138K OPENPEAK INCJun 2015 · 22 co-filers$20.0M

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