Investor · New York, NY

N. G. Tolchinsky

Open N. in the network graph →

Filings

14

SEC Form D

Connections

55

co-filers

Capital

—

across filings

Active

Mar 2009

to Nov 2025

Most-connected co-filers (55)

Lawrence A. Heller · New York, NY12 shared Mario M. Covo · New York, NY12 shared Aili M. Areng · New York, NY12 shared Kristan Bodden · New York, NY10 shared Jack Berlin · New York, NY10 shared Ian Goodall · New York, NY7 shared Peter H. Cassidy · New York, NY6 shared Ian Black · West Yorkshire, United Kingdom6 shared Gregory S. Oberholtzer · Chicago, IL6 shared Patrick Haighton · London, United Kingdom6 shared David E. Creamer · Uniondale, NY6 shared Dorothy Pavloff · Bellevue, WA4 shared Alexander B. Suh · Bellevue, WA4 shared Donald W. Phillips · Uniondale, NY4 shared Helios Advisors LLC · NEW YORK, NY4 shared Jeffery Hutt · Bellevue, WA4 shared Michael Liao · Bellevue, WA4 shared Tom Sperry · Bellevue, WA4 shared Susanne Sesselmann · London, United Kingdom3 shared Martin S. Lang · Grand Cayman, Cayman Islands3 shared Duane Z. Kuang · Grand Cayman, Cayman Islands2 shared Richard J. Golden · Weston, MA2 shared Ronald M. Rubenstein, M.D · Columbus, OH2 shared Patrick M. Hurley, M.D · Columbus, OH2 shared

Recent filings (14)

Qiming Venture Partners IX-A, L.P.Nov 2025 · 14 co-filers$600.0M Qiming Managing Directors Fund IV, L.P.Apr 2014 · 7 co-filers$25.0M Greater Michigan Lithotripsy LLCMar 2013 · 18 co-filers$2.7M Sunbeam Opportunities Fund LLCMar 2013 · 12 co-filers Sunbeam Opportunities Offshore S.A.Mar 2013 · 14 co-filers Sunbeam Opportunities Offshore S.A.Mar 2012 · 18 co-filers Sunbeam Opportunities Fund LLCMar 2012 · 16 co-filers Greater Michigan Lithotripsy LLCMar 2011 · 18 co-filers Sunbeam Opportunities Offshore S.A.Mar 2011 · 14 co-filers Sunbeam Opportunities Fund LLCMar 2011 · 11 co-filers Sunbeam Opportunities Fund LLCMar 2010 · 11 co-filers Sunbeam Opportunities Offshore S.A.Mar 2010 · 15 co-filers Sunbeam Opportunities Fund LLCMar 2009 · 9 co-filers Sunbeam Opportunities Offshore S.A.Mar 2009 · 13 co-filers

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