Investor · Dallas, TX

Richard S. Propper

Open Richard in the network graph →

Filings

1

SEC Form D

Connections

6

co-filers

Capital

—

across filings

Active

Feb 2026

to Feb 2026

Most-connected co-filers (6)

Michael Chermak · Palm Bay, FL1 shared Amit Shrestha · St. Louis, MO1 shared Ian S. Subel · Dallas, TX1 shared Karl Kit · Dallas, TX1 shared Maxwell Kit · Dallas, TX1 shared M. S. Kirchof · Dallas, TX1 shared

Recent filings (1)

RMX INDUSTRIES, INC.Feb 2026 · 6 co-filers$3.0M

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