Investor · Sao Paulo, Guernsey

Guilherme Soares Da Costa Assis

Open Guilherme in the network graph →

Filings

9

SEC Form D

Connections

86

co-filers

Capital

$7.1M

across filings

Active

Apr 2023

to Dec 2025

Most-connected co-filers (86)

Robinson Gamba Dantas · Sao Paulo, Guernsey4 shared Mike Oligschlaeger · St. Louis, MO3 shared John Farquhar · Mountain View, CA3 shared Adam S. Korn · Dallas, TX3 shared Charles Funk · Toronto, Ontario, Canada3 shared Greg Robeson · St. Louis, MO3 shared Nicholas Downing · Mountain View, CA3 shared Charles Taylor · Mountain View, CA3 shared Lonnie Smith · Mountain View, CA3 shared Mary Santos · St Peter Port, Y73 shared Brendan C. O'Reilly · Los Angeles, CA3 shared Zachary Z. Alschuler · New York, NY3 shared Tony S. Florence · New York, NY3 shared Keith L. Grayson Ii · PHOENIX, AZ3 shared Jeffrey C. Lightcap · Lewisville, TX3 shared Wayne Riley · Mountain View, CA3 shared Timothy Barabe · Fort Lauderdale, FL3 shared William Weldon · Mountain View, CA3 shared Casey D. Tansey · Menlo Park, CA3 shared Mike C. Bosner · New York, NY3 shared Julie E. Cullivan · Alameda, CA3 shared Stephane L. Lachance · Grand Cayman, Cayman Islands3 shared Chris Mcerlane · St Peter Port, Y73 shared Robert Declue · St. Louis, MO3 shared

Recent filings (9)

IpoInfra I LLCDec 2025 · 5 co-filers$4.0M IpoInfra I LLCDec 2025 · 5 co-filers$4.0M IpoInfra I LLCDec 2025 · 5 co-filers$4.0M IpoInfra I LLCDec 2025 · 5 co-filers$4.0M Fitters Holdings, Inc.Sep 2025 · 11 co-filers$10.0M Fitters Holdings, Inc.Aug 2025 · 11 co-filers$10.0M HeartFlow Holding, Inc.Apr 2025 · 32 co-filers$50.0M HeartFlow Holding, Inc.Feb 2025 · 32 co-filers$75.0M Glendower Capital Strategic Partnership V-1 (Nevelson), SCSpSep 2023 · 42 co-filers Glendower Capital Strategic Partnership (Albers), SCSpApr 2023 · 42 co-filers HeartFlow Holding, Inc.Apr 2023 · 31 co-filers$215.9M

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