Investor · Kansas City, MO

Brian G. Larson

Open Brian in the network graph →

Filings

7

SEC Form D

Connections

36

co-filers

Capital

—

across filings

Active

Mar 2009

to Nov 2025

Most-connected co-filers (36)

Richard J. Morsches · Kansas City, MO7 shared Paul J. Malir · Kansas City, MO7 shared Gerald T. Halpin · Rowayton, CT5 shared Christopher R. Gruseke · New Canaan, CT5 shared Jonathon Iii W. Old · Rowayton, CT5 shared Jonation Iii W. Old · Rowayton, CT5 shared Charles Jr. V. Stipancic · Rowayton, CT5 shared Stephen M. Peet · Rowayton, CT5 shared Angela E. Murphy · Kansas City, MO5 shared Robert J. Spane · Kansas City, MO5 shared Harold W. Gehman Jr · Kansas City, MO5 shared James E. Martin · Kansas City, MO5 shared William E. Walmsley · Grand Cayman, Cayman Islands4 shared Marco Fiore · Marlboro, NJ4 shared Scott Pribula · Kansas City, MO4 shared William M. Lackey · Kansas City, MO4 shared Jack R. Maurer · Irvine, CA2 shared Anthony W. Thompson · Costa Mesa, CA2 shared Adam R. Gerchen · CHICAGO, IL2 shared Trent Mell · Toronto, Ontario, Canada2 shared Susan Uthayakumar · Toronto, Ontario, Canada2 shared Marty Rendall · Toronto, Ontario, Canada2 shared John Pollesel · Toronto, Ontario, Canada2 shared Alden Greenhouse · Toronto, Ontario, Canada2 shared

Recent filings (7)

Electra Battery Materials CorpNov 2025 · 29 co-filers$34.5M Electra Battery Materials CorpNov 2025 · 19 co-filers$34.5M TRANSYSTEMS CORPDec 2010 · 17 co-filers$225K TRANSYSTEMS CORPSep 2010 · 17 co-filers$500K TRANSYSTEMS CORPAug 2010 · 17 co-filers$350K TRANSYSTEMS CORPNov 2009 · 19 co-filers$165K TRANSYSTEMS CORPMar 2009 · 15 co-filers$243K

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