Investor · Cleveland, OH

Michael A. Kaufman

Open Michael in the network graph →

Filings

17

SEC Form D

Connections

68

co-filers

Capital

$25.2M

across filings

Active

Nov 2019

to Sep 2022

Most-connected co-filers (68)

Houman A. Hemmati · Cleveland, OH13 shared Magnus Persson · Cleveland, OH10 shared Jan Jensen · Cleveland, OH8 shared Divya Trivedi · Beachwood, OH4 shared Ke Lin · Grand Cayman, Cayman Islands4 shared Ted Barduson · El Segundo, CA3 shared George C. Heinemann · Birmingham, AL3 shared Christopher C. Younger · Denver, CO3 shared Maura R. Mizuguchi · El Segundo, CA3 shared Joshua Borroughs · San Jose, CA3 shared Patricia R. Mccallop · El Segundo, CA3 shared John C. Henderson · Denver, CO3 shared Hans N. Helmers · Raleigh, NC3 shared Axel C. Hoppe · VANCOUVER, British Columbia, Canada3 shared Jody J. Bellefleur · Vancouver, British Columbia, Canada3 shared Joseph Mellor · Beverly, MA3 shared Andrew Batey · Boulder City, NV3 shared Erik Hayden · San Jose, CA3 shared Thomas H. Grant · Beverly, MA3 shared Sean Raft · San Jose, CA3 shared Lee C. Clark · St Peter Port, Y73 shared Alexander Stone · New York, NY2 shared Paul G. Lukeman · Columbus, OH2 shared Albert Matter · Vancouver, British Columbia, Canada2 shared

Recent filings (17)

Trailhead Biosystems Inc.May 2025 · 23 co-filers$20.5M Trailhead Biosystems Inc.May 2025 · 23 co-filers$20.5M Trailhead Biosystems Inc.Jul 2024 · 17 co-filers$10.0M Trailhead Biosystems Inc.Jul 2024 · 17 co-filers$10.0M NuLegacy Gold CorpDec 2023 · 19 co-filers$266K Trailhead Biosystems Inc.Nov 2023 · 14 co-filers$3.0M Trailhead Biosystems Inc.Nov 2023 · 14 co-filers$3.0M NuLegacy Gold CorpNov 2023 · 19 co-filers$31K Trailhead Biosystems Inc.Sep 2022 · 13 co-filers$10.1M Urban Catalyst Industrial I DSTSep 2022 · 8 co-filers$9.8M URBAN CATALYST BRIDGE EQUITY I LLCMay 2022 · 8 co-filers$50.0M GG CT SPV 1, LLCMay 2022 · 7 co-filers$1.5M URBAN CATALYST BRIDGE EQUITY I LLCMay 2022 · 8 co-filers$50.0M GG Z SPV 1, LLCApr 2022 · 5 co-filers$3.1M Trailhead Biosystems Inc.Oct 2021 · 14 co-filers$8.6M Trailhead Biosystems Inc.Nov 2020 · 14 co-filers$8.6M Carom Growth Partners Somerville SPV LPMay 2020 · 7 co-filers$5.0M Casto Southeast-CCM Realty Investments, LLCMar 2020 · 14 co-filers$123.8M Carom Growth Partners Veritas SPV LPNov 2019 · 7 co-filers$8.0M Casto Siesta Key Investors, LLCNov 2019 · 14 co-filers$4.0M

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