Investor · San Francisco, CA

Bob M. Ragusa

Open Bob in the network graph →

Filings

10

SEC Form D

Connections

46

co-filers

Capital

$266.8M

across filings

Active

Jun 2016

to Mar 2020

Most-connected co-filers (46)

Paul Conley · Santa Clara, CA5 shared Robert Chess · Walnut Creek, CA5 shared William M. Banyai · San Francisco, CA5 shared Bill M. Peck · San Francisco, CA5 shared Joe P. Nemeth · Redwood City, CA5 shared Louis La Luna · Jamison, PA5 shared Bob Nelson · Frisco, TX5 shared Michael J. Fourticq, Senior · Houston, TX5 shared William N. Anderson · Houston, TX5 shared Britton L. Brown · Dallas, TX5 shared Peter H. Huizenga · Oak Brook, IL5 shared Frederick B. Craves · San Francisco, CA5 shared Joseph M. Niehaus · San Francisco, CA5 shared Sam Liebman · New York, NY5 shared Mark G. Hilderbrand · San Francisco, CA5 shared Barry D. Reynolds · San Francisco, CA5 shared Keith L. Crandell · Chicago, IL5 shared Emily M. Leproust · San Francisco, CA5 shared Stephen P. Bick · Carlsbad, CA3 shared Kirk J. Pulley · PORTLAND, OR3 shared Solange M. Glaize · San Francisco, CA3 shared Michael Jones · Broomfield, CO2 shared John F. Warnken-Brill · San Francisco, CA2 shared Simon Holden · St Peter Port, Y72 shared

Recent filings (10)

GRAIL, Inc.Nov 2025 · 13 co-filers$325.0M GRAIL, Inc.Nov 2025 · 13 co-filers$325.0M Permira IV Feeder L.P.Mar 2020 · 17 co-filers Twist Bioscience CorpApr 2018 · 20 co-filers$85.0M Twist Bioscience CorpDec 2017 · 18 co-filers$75.0M SaaStr Opportunity Fund I, L.P.Jul 2017 · 1 co-filer$20.0M Twist Bioscience CorpJun 2017 · 21 co-filers$63.2M Twist Bioscience CorpMay 2017 · 21 co-filers$50.0M Twist Bioscience CorpMar 2017 · 21 co-filers$33.2M SaaStr Fund I, L.P.Jun 2016 · 2 co-filers$68.2M Permira VI L.P.1Jun 2016 · 15 co-filers

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