Investor · ST. LOUIS, MO
Brian Matthews
Open Brian in the network graph →Filings
91
SEC Form D
Connections
285
co-filers
Capital
$194.4M
across filings
Active
Jul 2012
to Feb 2026
Most-connected co-filers (285)
Chris Marks · Denver, CO28 sharedMary Fisher · Carlsbad, CA23 sharedAdrian Lufschanowski · Austin, TX18 sharedPaul J. Newman · Austin, TX15 sharedJosh Baltzell · Carlsbad, CA15 sharedCliff Holekamp · St. Louis, MO11 sharedJames E. Siverts · Saint Louis, MO11 sharedNicky F. Kinnaird · Carlsbad, CA10 sharedArgentem Creek Gp Holdings Lp · MINNETONKA, MN10 sharedArgentem Creek Holdings Llc · MINNETONKA, MN10 sharedNathan Miller · Fishers, IN10 sharedArgentem Creek Gp Holdings Lp · MINNETONKA, MN10 sharedArgentem Creek Gp Holdings Lp · MINNETONKA, MN10 sharedTiong H. Tan · Singapore, U010 sharedJames Mckelvey · ST. LOUIS, MO10 sharedDaniel Chapman · NEW YORK, NY10 sharedArgentem Creek Holdings Llc · MINNETONKA, MN10 sharedAngela Gorder · Minnetonka, MN10 sharedClifford Holekamp · ST. LOUIS, MO9 sharedGabriel Lozano · ST. LOUIS, MO9 sharedCharles Friedberg · NEW YORK, NY8 sharedLyle E. Arnold · San Diego, CA8 sharedElizabeth Hambrecht · San Francisco, CA8 sharedJames Rosenfield · San Francisco, CA8 shared
Recent filings (91)
Ampera, Inc.Feb 2026FinOpsly Inc.Jan 2026 · 3 co-filers$6.4MCultivation Capital Seed Fund III, L.P.May 2025 · 7 co-filersCultivation Capital Seed Fund III, L.P.May 2025 · 7 co-filersOpsLab, Inc.Apr 2025 · 5 co-filers$8.8MOpsLab, Inc.Apr 2025 · 5 co-filers$8.8MCultivation Capital Seed Fund III, L.P.May 2024 · 9 co-filersOpsLab, Inc.Nov 2023 · 5 co-filers$6.3MOpsLab, Inc.Nov 2023 · 5 co-filers$6.3MSimpleRose Inc.Apr 2023 · 11 co-filers$23.0MSimpleRose Inc.Apr 2023 · 11 co-filers$23.0MPathfinder Strategic Credit II LPJun 2021 · 16 co-filersTrailside Thrive, LTD.Apr 2021 · 9 co-filers$6.1MTHRIVE WORKFORCE IMPACT FUND I, LPFeb 2021 · 5 co-filers$22.0MTappan Street Partners Ideas Fund L.P.Jan 2021 · 4 co-filersTAULIA INC.Jul 2020 · 15 co-filers$71.6MTAULIA INC.Jul 2020 · 15 co-filers$71.6MPathfinder Strategic Credit II LPJun 2020 · 19 co-filersTappan Street Partners Ideas Fund L.P.Jan 2020 · 4 co-filers14305 SW Sexton Mountain Investor ARE, LLCDec 2019 · 6 co-filers$13.7MNoonlight, Inc.Dec 2019 · 10 co-filers$8.0MNoonlight, Inc.Dec 2019 · 10 co-filers$8.0MPathfinder Strategic Credit II LPJun 2019 · 19 co-filersCultivation Twain Seed Fund I, LPApr 2019 · 13 co-filers$10.0MCultivation Twain Seed Fund I, LPApr 2019 · 13 co-filers$10.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Brian in the interactive graph →