Investor · Chicago, IL

Fritz L. Duda

Open Fritz in the network graph →

Filings

4

SEC Form D

Connections

15

co-filers

Capital

—

across filings

Active

Mar 2009

to Oct 2025

Most-connected co-filers (15)

Peter Ceko · Chicago, IL4 shared Paul A. Atkinson · Blasdell, NY2 shared Stephen Erwin · Denver, CO2 shared Noah Lerner · Blasdell, NY2 shared Sami Rahman · Blasdell, NY2 shared Nate Lowbeer-Lewis · Blasdell, NY2 shared Alexandre Martin-Min · Blasdell, NY2 shared James M. Sauls · Tampa, FL2 shared James O'Brien · CHICAGO, IL2 shared Paul F. Ferguson, Jr · Denver, CO2 shared Alan N. Harris · Denver, CO2 shared John E. Lowe · Denver, CO2 shared Calatrava Capital Management Llc · Chicago, IL2 shared Declan Quilligan · Grand Cayman, Cayman Islands2 shared Calatrava Capital Management Llc · Chicago, IL2 shared

Recent filings (4)

CleanFiber Inc.Oct 2025 · 14 co-filers$34.0M CleanFiber Inc.Oct 2025 · 14 co-filers$27.5M Calatrava Grain Fund LLCMar 2010 · 7 co-filers Calatrava Grain Fund LLCMar 2009 · 7 co-filers

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