Investor · Denver, CO
Brian P. Mathis
Open Brian in the network graph →Filings
17
SEC Form D
Connections
83
co-filers
Capital
$67.1M
across filings
Active
Oct 2022
to Aug 2025
Most-connected co-filers (83)
Charles B. Duke · Denver, CO9 sharedJohn P. Woodberry · Denver, CO8 sharedFrancis C. Poli · New York, NY7 sharedJoseph M. Harvey · NEW YORK, NY7 sharedJeffrey W. Taylor · Denver, CO7 sharedAndrew J. Rees · Vancouver, British Columbia, Canada5 sharedThomas J. Kennedy · Vancouver, British Columbia, Canada5 sharedJames Frances Gerard (Aka Frank) Callaghan · Vancouver, British Columbia, Canada5 sharedLaurence J. Smoliak · Vancouver, British Columbia, Canada5 sharedGlen J. Harder · Vancouver, British Columbia, Canada5 sharedDale J. Dobson · Vancouver, British Columbia, Canada5 sharedCaitlin Zulia · Birmingham, AL4 sharedDavid Sinclair · Cambridge, MA4 sharedDwight L. Dykstra · Maitland, FL4 sharedTaylor M. Paul · Denver, CO4 sharedEdward P. Sobol · NEW YORK, NY3 sharedJason S. Karlinsky · New York, NY3 sharedJoon M. Lee · LA JOLLA, CA2 sharedRobert P. Burleigh · Austin, TX2 sharedDavid Humphrey · BOSTON, MA2 sharedGreg Shove · San Francisco, CA2 sharedEdward Boyajian · Boston, MA2 sharedKen Kamada · San Francisco, CA2 sharedPaul Lucchese · Boston, MA2 shared
Recent filings (17)
Golden Cariboo Resources Ltd.Dec 2025 · 17 co-filers$2.2MAres Real Estate Income Trust Inc.Aug 2025 · 27 co-filersAres Real Estate Income Trust Inc.Aug 2025 · 27 co-filersGolden Cariboo Resources Ltd.Jul 2025 · 16 co-filers$3.6MGolden Cariboo Resources Ltd.Mar 2025 · 17 co-filers$177KGolden Cariboo Resources Ltd.Sep 2024 · 17 co-filers$849KGolden Cariboo Resources Ltd.Sep 2024 · 17 co-filers$155KAres Real Estate Income Trust Inc.Aug 2024 · 31 co-filersAres Real Estate Income Trust Inc.Aug 2024 · 31 co-filersDLV Quogue Founders, LLCJun 2023 · 9 co-filers$150.0MEvolve Group Holdings, LLCNov 2022 · 26 co-filers$4.9MDiscovery Land Consolidated, LLCNov 2022 · 10 co-filersEvolve Group Holdings, LLCOct 2022 · 26 co-filers$3.4MUpland Outpatient Surgical Center, L.P.Sep 2018 · 5 co-filers$491KUpland Outpatient Surgical Center, L.P.Sep 2018 · 5 co-filers$491KGladiolus Surgery Center, L.L.C.Aug 2017 · 9 co-filers$473KGladiolus Surgery Center, L.L.C.Aug 2017 · 9 co-filers$473KUpland Outpatient Surgical Center, L.P.Aug 2017 · 9 co-filers$319KUpland Outpatient Surgical Center, L.P.Aug 2017 · 9 co-filers$319KFranklin Surgical Center, LLCAug 2017 · 8 co-filers$360KFranklin Surgical Center, LLCAug 2017 · 8 co-filers$360KTriMed Equipment, L.P.Oct 2013 · 9 co-filers$5.0MTriMed Real Estate, L.P.Oct 2013 · 9 co-filers$10.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Brian in the interactive graph →