Investor · Cincinnati, OH

Colin L. Greenspon

Open Colin in the network graph →

Filings

20

SEC Form D

Connections

100

co-filers

Capital

$788.4M

across filings

Active

Jul 2021

to Sep 2025

Most-connected co-filers (100)

Ian H. Ratcliffe · Lebanon, NH9 shared Scott Kennedy · Lebanon, NH7 shared Kevin Adelstein · Moreland Hills, OH6 shared David Panitz · Alexandria, VA5 shared John Foraker · Berkeley, CA5 shared Emiliano Kargieman · ROAD TOWN, TORTOLA, British Virgin Islands5 shared Eric Stats · Draper, UT5 shared Karnig R. Porter · Boston, MA4 shared Friends & Family Capital III, LLC · Menlo Park, CA4 shared Max Polinsky · Winnipeg, Manitoba, Canada4 shared Murray Nye · Winnipeg, Manitoba, Canada4 shared Diana Mcqueen · Calgary, Alberta, Canada4 shared Megan B. Francis · WINNIPEG, Manitoba, Canada4 shared Al B. Fabbro · WINNIPEG, Manitoba, Canada4 shared Shomik Ghosh · Brooklyn, NY4 shared Jim Harris · Oakland, CA4 shared Benjamin Pham · DALLAS, TX3 shared Stephen Thomas · Wilmington, DE3 shared Matthew Cole · DALLAS, TX3 shared William L. Kappaz · Jupiter, FL3 shared Greg Dunn · Oakland, CA3 shared Ben Porterfield · WINNIPEG, Manitoba, Canada3 shared John W. Sweet · Milwaukee, WI2 shared Tillman Gerngross · Lebanon, NH2 shared

Recent filings (20)

Strive Enterprises, Inc. / OHSep 2025 · 17 co-filers$8.0M Strive Enterprises, Inc. / OHJun 2025 · 17 co-filers$1.5B Holistik Wellness LLCJan 2025 · 14 co-filers$4.0M Strive Enterprises, Inc. / OHJul 2024 · 10 co-filers$30.0M Geo Land Solutions, Inc.Dec 2023 · 5 co-filers$7.8M Geo Land Solutions, Inc.Dec 2023 · 5 co-filers$7.8M Narya Capital Fund II, L.P.Nov 2022 · 7 co-filers$125.0M Holistik Wellness LLCJul 2021 · 14 co-filers$2.0M CS CARBON STRATEGY OFFSHORE, LtdJul 2021 · 10 co-filers CARBON CC STRATEGY OFFSHORE II, LTD.Jul 2021 · 10 co-filers Narya Capital Fund I, L.P.Jan 2020 · 8 co-filers$125.0M Narya Capital Fund I, L.P.Jan 2020 · 8 co-filers$125.0M Neurable Inc.Apr 2018 · 5 co-filers$5.4M Neurable Inc.Apr 2018 · 5 co-filers$5.4M Avitide, Inc.Jan 2018 · 24 co-filers$4.0M WINSTON GOLD CORP.Sep 2017 · 8 co-filers$144K Avitide, Inc.Jun 2017 · 27 co-filers$12.0M WINSTON GOLD MINING CORP.Dec 2016 · 14 co-filers$124K HealthCare Royalty Partners III-A, L.P.Sep 2016 · 13 co-filers HealthCare Royalty Partners II-A, L.P.Sep 2016 · 13 co-filers WINSTON GOLD MINING CORP.Sep 2016 · 14 co-filers$118K WINSTON GOLD MINING CORP.Sep 2016 · 14 co-filers$118K WINSTON GOLD MINING CORP.Aug 2016 · 14 co-filers$23K

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