Investor · Watertown, MA

Guido Neels

Open Guido in the network graph →

Filings

27

SEC Form D

Connections

241

co-filers

Capital

$90.7M

across filings

Active

Jul 2009

to Oct 2025

Most-connected co-filers (241)

Jeff Closs · Santa Barbara, CA8 shared Charles A. Taylor · Redwood City, CA7 shared Robert D. Mitchell · Palo Alto, CA6 shared William Nighan · Palo Alto, CA6 shared Michael Gertner · BELLEVUE, WA6 shared David Turnerr · San Diego, CA5 shared Reza W. Zadno · San Francisco, CA5 shared John Montieth · San Diego, CA5 shared Richard F. Pops · CAMBRIDGE, MA5 shared Thomas C. Wilder · Irvine, CA5 shared Thomas Proulx · San Francisco, CA5 shared Matthew Sherman · Lexington, MA5 shared John Mcdermott · Albuquerque, NM5 shared Anthony J. Evnin · Seattle, WA5 shared Jean C. George · Cambridge, MA5 shared Tom A. Maniatis · Cambridge, MA5 shared John Knopf · CAMBRIDGE, MA5 shared Erik Pampalone · Chatsworth, CA5 shared Daniel G. Lemaitre · Irvine, CA5 shared Gregory D. Waller · Davis, CA5 shared John Onopchenko · Carlsbad, CA4 shared Wylie W. Vale · CAMBRIDGE, MA4 shared Roderick De Greef · Bothell, WA4 shared Carl L. Gordon · New York, NY4 shared

Recent filings (27)

Analytics for Life Inc.Oct 2025 · 17 co-filers$15.0M Analytics for Life Inc.Oct 2025 · 17 co-filers$15.0M Impulse Dynamics plcMar 2025 · 15 co-filers$140.0M Impulse Dynamics plcMar 2025 · 15 co-filers$140.0M ENTELLUS MEDICAL INCJul 2017 · 21 co-filers$50.0M ENDOLOGIX INC /DE/Apr 2017 · 23 co-filers$179.7M 480 Biomedical, Inc.Nov 2016 · 23 co-filers$6.0M ORAYA THERAPEUTICS INCMay 2014 · 13 co-filers$38.2M ACCELERON PHARMA INCSep 2013 · 25 co-filers$10.0M ACCELERON PHARMA INCJan 2012 · 29 co-filers$30.5M ENTELLUS MEDICAL INCAug 2011 · 9 co-filers$35.0M ENTELLUS MEDICAL INCAug 2011 · 9 co-filers$35.0M ROX MEDICAL INCAug 2011 · 9 co-filers$4.0M ROX MEDICAL INCAug 2011 · 9 co-filers$4.0M ENDOLOGIX INC /DE/Dec 2010 · 17 co-filers$15.0M ENDOLOGIX INC /DE/Dec 2010 · 17 co-filers$53.8M O3B NETWORKS LtdNov 2010 · 34 co-filers$13.7M Nellix IncSep 2010 · 11 co-filers$13.6M O3B NETWORKS LTDJul 2010 · 35 co-filers$10.0M ACCELERON PHARMA INCJul 2010 · 25 co-filers$11.5M ACCELERON PHARMA INCJun 2010 · 25 co-filers$11.5M Nellix IncApr 2010 · 11 co-filers$10.0M White Pine Medical Inc.Mar 2010 · 3 co-filers$57.0M White Pine Medical Inc.Mar 2010 · 3 co-filers$57.0M ACCELERON PHARMA INCDec 2009 · 25 co-filers$11.0M

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