Investor · TUMWATER, WA

Walker C. John

Open Walker in the network graph →

Filings

5

SEC Form D

Connections

18

co-filers

Capital

—

across filings

Active

Jan 2009

to Mar 2026

Most-connected co-filers (18)

Casey Roloff · Pacific Beach, WA5 shared Matthew Anderson · Saratoga, CA3 shared Jon P. Schotz · Santa Monica, CA3 shared Scott M. Bayliss · Santa Monica, CA3 shared Jeremy B. Pearman · Louisville, KY3 shared Cordell Bennigson · Vancouver, British Columbia, Canada2 shared Michael P. Knapp · Houston, TX2 shared Elwyn Berlekamp · Fairfield, CT2 shared Robert R. Mcmaster · WYOMISSING, PA2 shared John Neale · Vancouver, British Columbia, Canada2 shared Cordell Benningson · Vancouver, British Columbia, Canada1 shared Stephen Corkill · Vancouver, British Columbia, Canada1 shared Grant S. Duthie · Toronto, Ontario, Canada1 shared Tom W. Wilkinson · Austin, TX1 shared Kjirstin Breure · Vancouver, British Columbia, Canada1 shared Ranjith Divigalpitiya · Vancouver, British Columbia, Canada1 shared Kerry Landis · Vancouver, British Columbia, Canada1 shared Tom Wilkinson · Austin, TX1 shared

Recent filings (5)

HydroGraph Clean Power Inc.Mar 2026 · 8 co-filers$486K HydroGraph Clean Power Inc.Mar 2026 · 8 co-filers$536K HydroGraph Clean Power Inc.Nov 2025 · 20 co-filers$536K Seabrook Holding Co LLCJan 2009 · 3 co-filers$3.5M Seabrook Holding Co LLCJan 2009 · 3 co-filers$2.5M

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