Investor · Franksville, WI

Sharon Chamberlain

Open Sharon in the network graph →

Filings

5

SEC Form D

Connections

22

co-filers

Capital

—

across filings

Active

Dec 2008

to Feb 2026

Most-connected co-filers (22)

Gerald R. Komlofske · Chicago, IL5 shared Daniel J. Neely · Chicago, IL3 shared Paul A. Gyra · Wenham, MA3 shared Michael Mitchell · Madison, WI3 shared Charles Ruff · Pittsford, NY3 shared Steve A. Cobb · Carmel, IN2 shared Eric J. Bruun · Carmel, IN2 shared Varun Mehta · Chicago, IL2 shared James Schroer · Excelsior, MN2 shared Umesh Maheshwari · San Jose, CA2 shared Phillip Kohl · Raeford, NC2 shared Tom Sekel · Raeford, NC2 shared Clifford Bullard · Raeford, NC2 shared Cosmin M. Dordea · Indianapolis, IN1 shared Carl G. Conforti · Palm Harbor, FL1 shared Gordon Xu · New York, NY1 shared Jeremy Friedman · New York, NY1 shared Cheryl Vedoe · New York, NY1 shared Paul Mcgown · Baton Rouge, LA1 shared Craig Gehring · Baton Rouge, LA1 shared Lawrence Landweber · Madison, WI1 shared Troy Williams · New York, NY1 shared

Recent filings (5)

MasteryPrep Holdings, Inc.Feb 2026 · 5 co-filers$3.2M MasteryPrep Holdings, Inc.Jul 2025 · 17 co-filers$14.0M Networked Insights, Inc.Aug 2010 · 9 co-filers$5.0M Networked Insights, Inc.Apr 2010 · 9 co-filers$5.6M Networked Insights, Inc.Dec 2008 · 7 co-filers$4.0M

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