Investor · Grand Rapids, MI

John R. Tuttle

Open John in the network graph →

Filings

6

SEC Form D

Connections

50

co-filers

Capital

$70.0M

across filings

Active

Dec 2025

to Dec 2025

Most-connected co-filers (50)

H. William Payne · Valparaiso, IN3 shared Daniel Wettreich · Toronto, Ontario, Canada3 shared Mark Huber · Valparaiso, IN3 shared Brett Dines · Valparaiso, IN3 shared Lawrence A. Hawley · Pittsburgh, PA3 shared Richard Rothamel · Wexford, PA3 shared Seth Burgett · St. Louis, MO3 shared Darlene Kittredge · Valparaiso, IN3 shared H. Rossiter Horn · Valparaiso, IN3 shared Dieter Enzmann · Valparaiso, IN3 shared Toby N. Prosky · Oakland, CA3 shared Robin Blazer · Ennis, MT3 shared Cormac L. Sheehan · Georgetown, Cayman Islands3 shared Christopher Puma · Wexford, PA3 shared Willie Blazer · Ennis, MT3 shared Tom D. Szczepanski · CROWN POINT, IN3 shared James H. Gellert · New York, NY3 shared Wei He · Crown Point, IN3 shared Ben Willauer · Lewiston, ME3 shared Joseph Firca · CROWN POINT, IN3 shared John D. Feczko · CROWN POINT, IN3 shared Frank Szczepanski · CROWN POINT, IN3 shared Joerg D. Schreiber · CROWN POINT, IN3 shared James Lavigne · Toronto, Ontario, Canada3 shared

Recent filings (6)

NORTHPOINTE BANCSHARES INCDec 2025 · 37 co-filers$70.0M NORTHPOINTE BANCSHARES INCDec 2025 · 37 co-filers$70.0M Windpipe CorpMay 2014 · 2 co-filers$1.0M Windpipe CorpAug 2012 · 1 co-filer$1.0M IVDiagnostics, Inc.Jun 2012 · 25 co-filers IVDiagnostics, Inc.Jun 2012 · 25 co-filers IVDiagnostics, Inc.Jun 2012 · 25 co-filers

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