Investor · Southington, CT

Matthew S. Sosik

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Filings

31

SEC Form D

Connections

221

co-filers

Capital

$88.9M

across filings

Active

Jan 2021

to May 2025

Most-connected co-filers (221)

Patrick J. Murray · Southington, CT14 shared Nicholas K. Fortson · Southington, CT12 shared Richard A. Leone · Southington, CT11 shared Prashant Kumar · Princeton, NJ11 shared James Douglass · Pittsburgh, PA11 shared Trent B. Troyer · Southington, CT11 shared Stephen L. Lewis · Southington, CT11 shared Jeremy E. Daniel · TAMPA, FL11 shared Darold P. Adami · Sherman, TX11 shared David K. Christie · Southington, CT11 shared Sean Roberts · Birmingham, MI11 shared Brendan W. O'Grady · BOSTON, MA11 shared Giulia S. Kennedy · Yardley, PA11 shared Stuart Wall · AUSTIN, TX11 shared Paul P. Daniec · Sherman, TX9 shared Stan Miroshnik · GREENWICH, CT9 shared Gilda M. Noguiera · Southington, CT9 shared Jonathan Karp · New York, NY8 shared Dennis Eulau · New York, NY8 shared Kelly Anderson · Wichita, KS8 shared Daniel Hilson · ANN ARBOR, MI8 shared Eli Pollak · Oakland, CA7 shared DVO GP Co-Investment Fund II Manager LLC · New York, NY7 shared Adrian A. Stella Arroyo · San Juan, Puerto Rico7 shared

Recent filings (31)

CONNECTICUT ON-LINE COMPUTER CENTER INCMay 2025 · 32 co-filers$15.0M CONNECTICUT ON-LINE COMPUTER CENTER INCMay 2025 · 32 co-filers CONNECTICUT ON-LINE COMPUTER CENTER INCMay 2024 · 32 co-filers$15.0M CONNECTICUT ON-LINE COMPUTER CENTER INCMay 2024 · 32 co-filers Hometown Financial Group, Inc. /MA/Mar 2024 · 20 co-filers$135.0M CAYUGA LAKE BANK CORPOct 2023 · 33 co-filers$3.5M CONNECTICUT ON-LINE COMPUTER CENTER INCMay 2023 · 35 co-filers CONNECTICUT ON-LINE COMPUTER CENTER INCMay 2023 · 35 co-filers$15.0M Healthcare Innovation Fund, L.P.Oct 2022 · 17 co-filers$25.0M Pax8, Inc.Oct 2022 · 29 co-filers$120K Pax8, Inc.Sep 2022 · 29 co-filers$120K Pax8, Inc.Jul 2022 · 29 co-filers$5.1M CONNECTICUT ON-LINE COMPUTER CENTER INCJun 2022 · 35 co-filers$15.0M CONNECTICUT ON-LINE COMPUTER CENTER INCJun 2022 · 33 co-filers$15.0M CONNECTICUT ON-LINE COMPUTER CENTER INCJun 2022 · 35 co-filers Roblox CorpApr 2022 · 34 co-filers$17.7M Roblox CorpApr 2022 · 34 co-filers$29.6M Pax8, Inc.Apr 2022 · 26 co-filers$185.3M Roblox CorpAug 2021 · 35 co-filers$38.9M Roblox CorpAug 2021 · 35 co-filers$38.9M CONNECTICUT ON-LINE COMPUTER CENTER INCJun 2021 · 34 co-filers CONNECTICUT ON-LINE COMPUTER CENTER INCJun 2021 · 35 co-filers$15.0M Pax8, Inc.May 2021 · 26 co-filers$1.2M CAYUGA LAKE BANK CORPJan 2021 · 33 co-filers$8.0M Pax8, Inc.Jan 2021 · 23 co-filers$96.0M

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