Investor · Mercer Island, WA

Martin Walker

Open Martin in the network graph →

Filings

7

SEC Form D

Connections

64

co-filers

Capital

$550K

across filings

Active

May 2011

to Feb 2026

Most-connected co-filers (64)

Jan Drake · Mercer Island, WA6 shared Bettina Paek · Mercer Island, WA5 shared Paul Lammers, Md, Msc · AUSTIN, TX2 shared Eric Serani · Denver, CO2 shared Gervais Gua · Singapore, U02 shared Christopher Howard · London, United Kingdom2 shared Jason Slingsby · Denver, CO2 shared Jay Bauer · Bellevue, WA2 shared Shaan C. Gandhi, Md, Dphil · AUSTIN, TX2 shared Daniel Rosen · San Francisco, CA2 shared Edward Rickenbach · Hamilton, NJ2 shared William H. Schieffer · Wilmington, DE2 shared Emil Woods · New York, NY2 shared Saravana J. Kumar · Maple Grove, MN2 shared Buzz W. Benson · Maple Grove, MN2 shared Samuel A. Young · Grand Cayman, Cayman Islands2 shared Lee M. Cooper · AUSTIN, TX2 shared Ayman Mohamed · Fairfax, VA2 shared Michael D. O'Brien · Columbus, OH2 shared Gilda M. Noguiera · Southington, CT2 shared Scott C. Malpass · Boston, MA2 shared Brian G. Stern · New York, NY2 shared Andrew Kau · San Francisco, CA1 shared Morgan O'Sullivan · Denver, CO1 shared

Recent filings (7)

SWNB BANCORP INCFeb 2026 · 16 co-filers$30.0M eDoula, Inc.Mar 2022 · 8 co-filers$500K eDoula, Inc.Jun 2020 · 8 co-filers$500K SWNB BANCORP INCFeb 2019 · 32 co-filers$20.0M RF Pixels, Inc.Feb 2019 · 14 co-filers$9.3M RF Pixels, Inc.Sep 2018 · 11 co-filers$1.0M SWNB BANCORP INCMay 2011 · 15 co-filers$6.5M

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