Investor · San Juan, Puerto Rico

Guillermo L. Martinez

Open Guillermo in the network graph →

Filings

20

SEC Form D

Connections

33

co-filers

Capital

$74.4M

across filings

Active

Mar 2018

to Oct 2025

Most-connected co-filers (33)

Christopher M. Woida · Reno, NV9 shared Dave Vreeland · Nashville, TN9 shared ("Gpgp") PAR Capital Management, Inc · Boston, MA8 shared ("GP") PAR Group II, L.P · Boston, MA8 shared Jeffrey Goldberg · Solana Beach, CA8 shared Brian Dacey · Cambridge, MA8 shared David P. Tomick · Raleigh, NC8 shared Brendon C. Lundberg · Lake Oswego, OR6 shared Scott W. Kleinsorge · CADILLAC, MI6 shared Carlos R. Diaz Vivo · San Juan, Puerto Rico6 shared William Frist · Nashville, TN3 shared Nathan Pierotti · Dallas, TX3 shared Bhargav Maganti · Dallas, TX3 shared Igor Karlicic · Dallas, TX3 shared Robert M. Kurinsky · Chicago, IL3 shared William H. Gruber · Framingham, MA3 shared [Entity] Capitaland Limited · Singapore, U03 shared Edwin Kek · Singapore, U03 shared Allen Kramer · New York, NY3 shared Mark A. Bernfield · Blasdell, NY3 shared Michael Abramoff · Coralvill, IA3 shared Howard Leach · Coralvill, IA3 shared Mark Brandstein · Blasdell, NY2 shared Gary D. Seamans · Galena, IL2 shared

Recent filings (20)

GM Group Fund II LLCOct 2025 · 5 co-filers GM Group Fund II LLCAug 2025 · 5 co-filers PAR INVESTMENT PARTNERS LPMar 2025 · 5 co-filers PAR INVESTMENT PARTNERS LPMar 2024 · 5 co-filers GM Group Fund II LLCDec 2023 · 5 co-filers PAR INVESTMENT PARTNERS LPMar 2023 · 5 co-filers GM Group Fund II LLCOct 2022 · 5 co-filers$11.6M PAR INVESTMENT PARTNERS LPMar 2022 · 5 co-filers GM Group Fund II LLCAug 2021 · 5 co-filers$10.0M PAR INVESTMENT PARTNERS LPMar 2021 · 5 co-filers GM Group Fund LLCFeb 2021 · 2 co-filers GM Group Fund II LLCAug 2020 · 5 co-filers$10.0M PAR INVESTMENT PARTNERS LPMar 2020 · 5 co-filers GM Group Fund LLCFeb 2020 · 2 co-filers PAR INVESTMENT PARTNERS LPMar 2019 · 5 co-filers GM Group Fund LLCFeb 2019 · 2 co-filers IDx Technologies Inc.Sep 2018 · 12 co-filers$32.6M IDx, LLCMar 2018 · 23 co-filers$3.0M PAR INVESTMENT PARTNERS LPMar 2018 · 5 co-filers IDx, LLCMar 2018 · 23 co-filers$5.0M

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