Investor · Lynnwood, WA

Mark Trumper

Open Mark in the network graph →

Filings

8

SEC Form D

Connections

43

co-filers

Capital

—

across filings

Active

Oct 2008

to Jul 2025

Most-connected co-filers (43)

William Sanden · Lynnwood, WA7 shared Erik Nelson · Lynnwood, WA7 shared Tandon Ranjan · New York, NY5 shared Brian Murray · New York, NY5 shared Charles Johnson · Atlanta, GA5 shared Jeremy L. Halbreich · Dallas, TX5 shared Gary Schmitt · Lynnwood, WA5 shared Joseph Runte · Lynnwood, WA5 shared Michael Echelbarger · Lynnwood, WA5 shared Gary Jones · Lynnwood, WA5 shared Jerome M. Kensok · Fargo, ND5 shared Carolyn J. Turk · Middlefield, OH4 shared Robert Wolfe · Lynnwood, WA4 shared Robert W. Toth · Middlefield, OH4 shared Alison Deans · New York, NY4 shared Walter M. Cain · New York, NY4 shared William J. Skidmore · Middlefield, OH4 shared James R. Heslop, Ii · Middlefield, OH4 shared Robert Drewel · Lynnwood, WA4 shared Elizabeth Copstead · Lynnwood, WA4 shared Jeanne M. Hansen · Lynnwood, WA4 shared Nick Harris · New York, NY4 shared Glenn Gregory · SAN FRANCISCO, CA4 shared Kenneth E. Jones · Middlefield, OH3 shared

Recent filings (8)

CRC Insurance Aggregator, L.P.Jul 2025 · 11 co-filers CRC Management Aggregator, L.P.Jul 2025 · 11 co-filers Washington Bancorp, Inc.Jul 2014 · 23 co-filers$900K Washington Bancorp, Inc.Dec 2010 · 27 co-filers$2.2M Washington Bancorp, Inc.Sep 2010 · 27 co-filers$5.0M Washington Bancorp, Inc.Apr 2010 · 27 co-filers$5.0M PRINTINGFORLESS.COM, INC.Jun 2009 · 5 co-filers$600K Washington Bancorp, Inc.Oct 2008 · 16 co-filers$1.5M

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