Investor · Aliso Viejo, CA

Robert Rosenbluth

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Filings

28

SEC Form D

Connections

82

co-filers

Capital

$76.0M

across filings

Active

May 2018

to Dec 2025

Most-connected co-filers (82)

Brian Cox · Aliso Viejo, CA19 shared Donald Milder · Aliso Viejo, CA17 shared Paul Lubock · Aliso Viejo, CA12 shared Jonathan D. Root · Aliso Viejo, CA8 shared Frances F. Reid · Cambridge, MA7 shared Nancy G. Everett · Cambridge, MA7 shared Stephan Sakhai · New York, NY7 shared Lindsey B. Bolger · Waterbury Center, VT7 shared Stacy L. Sur · Honolulu, HI7 shared an Arizona limited liability company Quyp Development Services LLC · Goodyear, AZ7 shared Samuel A. Hoffman · New York, NY7 shared Jeremy S. Hall · SCOTTSDALE, AZ7 shared Malcolm Bowman · Beverly Hills, CA6 shared Kirk Nielsen · Fremont, CA6 shared Scott R. Smallwood · Washington, Washington, D.C.6 shared Marsh S. Marshall · Washington, Washington, D.C.6 shared Mark W. Cook · GRAND CAYMAN, Cayman Islands6 shared Mark T. Jones · Vancouver, British Columbia, Canada5 shared Jonathan T. Morgan · George Town, Cayman Islands5 shared William H. Hoffman · Irvine, CA5 shared Jonathan Root · San Francisco, CA4 shared Global Credit Advisers, LLC · New York, NY3 shared Scott E. Couto · Smithfield, RI3 shared Patrick Quinlan · Denver, CO3 shared

Recent filings (28)

Okami Medical, Inc.Dec 2025 · 19 co-filers$46.7M Okami Medical, Inc.Sep 2024 · 13 co-filers$30.0M Okami Medical, Inc.Jan 2024 · 14 co-filers$6.1M Okami Medical, Inc.Nov 2023 · 14 co-filers$6.1M Okami Medical, Inc.Sep 2021 · 14 co-filers$7.5M Periwinkle Ventures Fund II (Cayman) Ltd.Jun 2020 · 5 co-filers Okami Medical, Inc.Jun 2020 · 14 co-filers$7.2M Periwinkle Ventures Fund II LLCMay 2020 · 11 co-filers$40.0M Harbinger Ventures II, LLCJul 2019 · 4 co-filers$30.0M Periwinkle Ventures Fund II (Cayman) Ltd.Jun 2019 · 5 co-filers Periwinkle Ventures Fund II LLCMay 2019 · 11 co-filers$40.0M Okami Medical, Inc.Apr 2019 · 14 co-filers$3.0M Periwinkle Ventures Fund II (Cayman) Ltd.Jun 2018 · 5 co-filers Harbinger Ventures II, LLCJun 2018 · 7 co-filers$30.0M Periwinkle Ventures Fund II LLCMay 2018 · 11 co-filers$40.0M Inari Medical, Inc.Apr 2018 · 18 co-filers$27.0M INCOME ADVANTAGE FUND II LLCDec 2016 · 2 co-filers$50.0M Inceptus Newco2, LLCMay 2016 · 8 co-filers$1.6M Z Capital Loan Opportunity Offshore Fund Ltd.May 2016 · 10 co-filers INCOME ADVANTAGE FUND II LLCApr 2016 · 2 co-filers$25.0M Inari Medical, Inc.Dec 2015 · 18 co-filers$6.1M Inari Medical, Inc.Jul 2015 · 18 co-filers$12.4M INCOME ADVANTAGE FUND II LLCMay 2015 · 2 co-filers$25.0M Z Capital Loan Opportunity Offshore Fund Ltd.May 2015 · 10 co-filers Sequent Medical, Inc.Nov 2014 · 19 co-filers$20.1M

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