Investor · Chicago, IL

Peter Ceko

Open Peter in the network graph →

Filings

5

SEC Form D

Connections

15

co-filers

Capital

—

across filings

Active

Mar 2009

to Oct 2025

Most-connected co-filers (15)

Fritz L. Duda · Chicago, IL4 shared Calatrava Capital Management Llc · Chicago, IL3 shared James M. Sauls · Tampa, FL3 shared Paul F. Ferguson, Jr · Denver, CO3 shared John E. Lowe · Denver, CO3 shared Calatrava Capital Management Llc · Chicago, IL3 shared Alexandre Martin-Min · Blasdell, NY2 shared Alan N. Harris · Denver, CO2 shared James O'Brien · CHICAGO, IL2 shared Paul A. Atkinson · Blasdell, NY2 shared Declan Quilligan · Grand Cayman, Cayman Islands2 shared Stephen Erwin · Denver, CO2 shared Noah Lerner · Blasdell, NY2 shared Sami Rahman · Blasdell, NY2 shared Nate Lowbeer-Lewis · Blasdell, NY2 shared

Recent filings (5)

CleanFiber Inc.Oct 2025 · 14 co-filers$34.0M CleanFiber Inc.Oct 2025 · 14 co-filers$27.5M Calatrava Grain Fund LLCMar 2011 · 5 co-filers 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 Peter in the interactive graph →