Investor · Columbus, OH

Robert K. Rupp

Open Robert in the network graph →

Filings

18

SEC Form D

Connections

51

co-filers

Capital

—

across filings

Active

Nov 2020

to Oct 2025

Most-connected co-filers (51)

Russell Brenner · Skokie, IL9 shared Gary J. Heydinger · Columbus, OH9 shared Jason B. Baker · Columbus, OH9 shared Richard *. Kaplan · Chicago, IL9 shared Chris Brennan · Kerry, Ireland9 shared George Bloom · CRESTONE, CO9 shared Mark Smith · New York, NY9 shared Jon A. Northrop · Crestone, CO9 shared Jeremy Rowland · CRESTONE, CO9 shared Jared R. Henthorn · Columbus, OH7 shared Ami W. Dwyer · Columbus, OH7 shared Misty W. Marcum · Columbus, OH7 shared Joel M. Lilly · Columbus, OH7 shared Christian W. Torrens · Columbus, OH7 shared Douglas R. Morr · Columbus, OH7 shared Adam P. Bainbridge · Columbus, OH7 shared Glenn R. Baker · Columbus, OH5 shared Terri Bock · Columbus, OH4 shared Dennis Channer · Denver, CO4 shared Edward T. Schafer · Crestone, CO4 shared Brian M. Boggess · Columbus, OH4 shared William E. O'Neill · Old Bethpage, NY3 shared Dominic A. Bassani · Crestone, CO3 shared Bradley J. Walker · oakland, CA3 shared

Recent filings (18)

SEA LTDOct 2025 · 10 co-filers$3.8M SEA LTDNov 2024 · 11 co-filers$2.9M SEA LTDNov 2023 · 10 co-filers$2.8M SEA LTDNov 2022 · 10 co-filers$1.7M SEA LTDNov 2021 · 12 co-filers$1.7M SEA LTDNov 2020 · 12 co-filers$2.1M SEA LTDNov 2018 · 26 co-filers$1.4M SEA LTDNov 2018 · 26 co-filers$1.4M SEA LTDNov 2011 · 19 co-filers$513K BION ENVIRONMENTAL TECHNOLOGIES INCMay 2011 · 11 co-filers$2.0M BION ENVIRONMENTAL TECHNOLOGIES INCApr 2011 · 11 co-filers$2.0M BION ENVIRONMENTAL TECHNOLOGIES INCMar 2011 · 11 co-filers$1.0M BION ENVIRONMENTAL TECHNOLOGIES INCJan 2011 · 11 co-filers$600K SEA LTDDec 2010 · 19 co-filers$972K BION ENVIRONMENTAL TECHNOLOGIES INCNov 2010 · 7 co-filers$168K BION ENVIRONMENTAL TECHNOLOGIES INCOct 2010 · 7 co-filers$3.7M BION ENVIRONMENTAL TECHNOLOGIES INCOct 2010 · 7 co-filers$100K BION ENVIRONMENTAL TECHNOLOGIES INCOct 2010 · 9 co-filers$100K BION ENVIRONMENTAL TECHNOLOGIES INCOct 2010 · 9 co-filers$3.7M

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