Investor · Road Town, Tortola, British Virgin Islands

Steven Schaefer

Open Steven in the network graph →

Filings

13

SEC Form D

Connections

48

co-filers

Capital

$1.3B

across filings

Active

May 2019

to Aug 2025

Most-connected co-filers (48)

Curtis L. Lowell, Jr · Grand Cayman, Cayman Islands11 shared Nicolas L. Lowell · Grand Cayman, Cayman Islands10 shared Martin J. Byrne · Grand Cayman, Cayman Islands9 shared Rita Sawyer · Chicago, IL6 shared Mellon GP LLC · Wilmington, DE6 shared Malcolm Macleod · ST HELIER, Y96 shared David Scaysbrook · ST HELIER, Y96 shared Jerry Eitel · Lloyd Harbor, NY6 shared Stuart Mayer · Woodbury, NY6 shared Arnhold Llc · New York, NY6 shared Hersch Klaff · Chicago, IL6 shared Arnhold Llc · New York, NY6 shared Ryan Levy · Chicago, IL6 shared James Rowley · Old Greenwich, CT2 shared Paul Robins · Old Greenwich, CT2 shared James N. Harmon · Seattle, WA2 shared Kent Wilson · PHOENIX, AZ2 shared Ian Kantrowitz · PHOENIX, AZ2 shared Ramez Naam · Seattle, WA2 shared Derrick G. Sung · Los Angeles, CA2 shared James B. Chiboucas · Camarillo, CA2 shared Tuba S. Malinowski · Atlanta, GA2 shared Sam Tramiel · Sonoma, CA2 shared Frederic H. Mayerson · Cincinnati, OH2 shared

Recent filings (13)

DEF Associates Ltd.Aug 2025 · 13 co-filers DEF Associates Ltd.Aug 2024 · 13 co-filers DEF Associates Ltd.Aug 2023 · 13 co-filers DEF Associates Ltd.Aug 2022 · 13 co-filers DEF Associates Ltd.Aug 2021 · 13 co-filers VIVINO, INC.Feb 2021 · 15 co-filers$65.0M DEF Associates Ltd.Aug 2020 · 13 co-filers ThinOptics, Inc.Jun 2020 · 14 co-filers$500K ThinOptics, Inc.May 2019 · 16 co-filers$1.5M VIVINO, INC.May 2019 · 17 co-filers$39.9M DEF Associates Ltd.Aug 2018 · 2 co-filers CSA Medical IncJan 2014 · 15 co-filers$16.0M CSA Medical IncJan 2014 · 15 co-filers$16.0M CSA Medical IncDec 2011 · 9 co-filers$21.0M

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