Investor · Piedmont, SC

Robert Rizika

Open Robert in the network graph →

Filings

2

SEC Form D

Connections

13

co-filers

Capital

$4.3M

across filings

Active

Jul 2025

to Jul 2025

Most-connected co-filers (13)

Stacey B. Kaplan · Piedmont, SC1 shared Neeraj Chirmulay · Piedmont, SC1 shared David B. Zaphris · Piedmont, SC1 shared Mark Ferri · Piedmont, SC1 shared Steven Weinstein · Madison, WI1 shared Sachin Gupta · BELLEVUE, WA1 shared David B. Aronoff · San Francisco, CA1 shared Robert Davoli · Portsmouth, NH1 shared David Aronoff · Cambridge, MA1 shared Jonathan Seelig · BOSTON, MA1 shared Donald P. Casey · Acton, MA1 shared Lyn Braz · Acton, MA1 shared Michael Kilian · Acton, MA1 shared

Recent filings (2)

Viatec, Inc.Jul 2025 · 11 co-filers$4.9M Viatec, Inc.Jul 2025 · 11 co-filers$4.9M Blackwave Inc.Sep 2009 · 10 co-filers$9.1M

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