Investor · Longmont, CO

Alexander C. Matina

Open Alexander in the network graph →

Filings

14

SEC Form D

Connections

90

co-filers

Capital

$10.0M

across filings

Active

Dec 2020

to Apr 2025

Most-connected co-filers (90)

Charles B. Seidler · Longmont, CO7 shared Mark W. Wong · Longmont, CO7 shared Robert D. Straus · Longmont, CO5 shared Mark J. Harvey · Longmont, CO5 shared Alan D. Willits · Longmont, CO5 shared Matthew F. Szot · Phoenix, AZ4 shared David A. Fischhoff · Longmont, CO3 shared Kurt Terrani · Oak Ridge, TN3 shared Dennis C. Jury · Fresno, CA3 shared Thomas Hendrix · Oak Ridge, TN3 shared Andrew Price · Lewes, DE3 shared Thomas Dale · Oak Ridge, TN3 shared Keeley Marrocco · Oak Ridge, TN3 shared Consuelo E. Madere · Longmont, CO3 shared Grover T. Wickersham · Portland, OR3 shared Gary Barancik · New York, NY2 shared Brittany Hugoboom · Laguna Beach, CA2 shared Andrew T. Campbell · Austin, TX2 shared Bryce Smith · Seattle, WA2 shared Sebastian Villa · Montevideo, X32 shared Richard Linder · Sunnyvale, CA2 shared Arie Abecassis · White Plains, NY2 shared Raul Sotomayor · Montevideo, X32 shared Gonzalo Alende Serra · Montevideo, X32 shared

Recent filings (14)

Standard Nuclear, Inc.Feb 2026 · 5 co-filers$70.0M Standard Nuclear, Inc.Feb 2026 · 5 co-filers$42.5M Standard Nuclear, Inc.Feb 2026 · 5 co-filers$70.0M Southern Cross Latin America Extension Fund V, L.P.Apr 2025 · 20 co-filers AI Catalyst Fund, LPSep 2024 · 7 co-filers AI Catalyst Fund, LPSep 2024 · 7 co-filers S&W Seed CoMar 2022 · 30 co-filers$5.0M S&W Seed CoOct 2021 · 30 co-filers$5.0M Turntide Technologies Inc.Mar 2021 · 18 co-filers Turntide Technologies Inc.Dec 2020 · 19 co-filers Southern Cross Latin America Extension Fund IV, L.P.Dec 2020 · 22 co-filers S&W Seed CoSep 2018 · 13 co-filers$27.5M XRO ENERGY LLCSep 2018 · 4 co-filers$38.0M S&W Seed CoJul 2017 · 11 co-filers$10.7M S&W Seed CoDec 2015 · 23 co-filers$4.9M S&W Seed CoDec 2015 · 23 co-filers$4.9M

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