Investor · Grand Rapids, MI

Brian Mccollum

Open Brian in the network graph →

Filings

10

SEC Form D

Connections

48

co-filers

Capital

$2.5M

across filings

Active

Jul 2019

to Aug 2025

Most-connected co-filers (48)

Ryan Roeder · Grand Rapids, MI7 shared Steven Foster · Grand Rapids, MI5 shared Matthew Ahearn · Grand Rapids, MI4 shared Daryl P. Walker · Sugar Land, TX3 shared Max Kolomeyer · Calabasas, CA3 shared Brian N. Blatt · Sugar Land, TX3 shared Deven X. Soni · Las Vegas, NV3 shared Emil Khodorkovsky · Calabasas, CA3 shared Steve Carbone · Hayward, CA3 shared Chris Cruger · Scottsdale, AZ3 shared Vilma V. Devooght · NEW YORK, NY3 shared Christine Thompson · Atlanta, GA2 shared Brett E. Hogan · Corte Madera, CA2 shared Christine E. Dahm · Corte Madera, CA2 shared Ken Misch · Jacksonville, FL2 shared Jonathan Cook · Jacksonville, FL2 shared Wirick Glenn · Jacksonville, FL2 shared Curtis Stratman · Jacksonville, FL2 shared Ron Ross · Calabasas, CA2 shared Eddie Chow · Calabasas, CA2 shared Phillip Isard · Scottsdale, AZ2 shared Forge Global Advisors LLC · San Francisco, CA2 shared Shilpi Mcgrath · San Francisco, CA2 shared Grant George · San Francisco, CA2 shared

Recent filings (10)

HAPPE Spine, LLCAug 2025 · 11 co-filers$2.1M HAPPE Spine, LLCAug 2025 · 11 co-filers$2.1M Purple Mixer, Inc.Jul 2025 · 18 co-filers$8.0M Clearsense, IncSep 2024 · 28 co-filers$12.5M LUZ Capital Partners, LLCSep 2024 · 28 co-filers$920K HAPPE Spine, LLCAug 2024 · 11 co-filers$1.5M HAPPE Spine, LLCAug 2024 · 11 co-filers$1.5M Purple Mixer, Inc.Nov 2022 · 17 co-filers$4.0M Firethorn Valencia 1 LLCNov 2022 · 5 co-filers$220K Firethorn Valencia 1 LLCNov 2022 · 5 co-filers$220K Firethorn Valencia 2 LLCNov 2022 · 5 co-filers$220K Purple Mixer, Inc.Jul 2019 · 8 co-filers$8.8M

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