Investor · Carlsbad, CA

James A. Walker

Open James in the network graph →

Filings

4

SEC Form D

Connections

22

co-filers

Capital

—

across filings

Active

Mar 2009

to Feb 2026

Most-connected co-filers (22)

Prakash Ramachandran · Pleasanton, CA4 shared Roy R. Lobb · Waltham, MA2 shared Michael F. Bigham · London, United Kingdom2 shared Anthony J. Natale · Venice, CA2 shared M. C. Johnson, Iii · Waltham, MA2 shared Charles Gamble · New Haven, CT2 shared Vesper Company Management LLC · New York, NY2 shared Clinton Bybee · AUSTIN, TX2 shared Doug B. Cole · CAMBRIDGE, MA2 shared Amir Nashat · San Diego, CA2 shared Martin L. Schaffel · Tampa, FL2 shared Tuan Ha-Ngoc · Cambridge, MA2 shared Jeff Brown · Roswell, GA2 shared William S. Taber · Sausalito, CA2 shared Patricia S. Bellinger · Brookline, MA2 shared James Lyons · Alexandria, VA2 shared Tom Carbone · Keller, TX2 shared Hansjoerg Mueller · Hamburg, 2M2 shared Pauline A. Zaanen · London, United Kingdom1 shared Shamit Grover · Irvington, NY1 shared Anthony R. Amor · Diablo, CA1 shared David Caro · New York, NY1 shared

Recent filings (4)

Vesper Vulcan LLCFeb 2026 · 2 co-filers$19.7M Vesper Kubera LLCDec 2025 · 7 co-filers$20.0M Nordic Windpower Ltd.Nov 2009 · 19 co-filers$3.9M Nordic Windpower Ltd.Mar 2009 · 17 co-filers$3.9M

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