Investor · Bethesda, MD

Ramon Castro

Open Ramon in the network graph →

Filings

19

SEC Form D

Connections

79

co-filers

Capital

$30.1M

across filings

Active

Dec 2013

to Jul 2024

Most-connected co-filers (79)

Nirav Modi · Bethesda, MD15 shared Michael Gruner · Bethesda, MD7 shared Stuart E. Huston · Durham, NC6 shared Tyler M. Moynihan · Redmond, WA6 shared Ares Management LLC · Los Angeles, CA6 shared Kevin Y. Chow · Coppell, TX6 shared Cambre Kelly · Durham, NC6 shared Siu Lam Albert M. Lee · Hong Kong, Hong Kong6 shared Feng J. Hsiung · Hong Kong, Hong Kong6 shared Andrew Summers · Durham, NC6 shared Kurt Jacobus · Durham, NC6 shared Ken Gall · Durham, NC6 shared Dmitry Vorontsov · New York, NY6 shared Michael Porter · Durham, NC6 shared Douglas D. Kohrs · MINNEAPOLIS, MN6 shared Jonathan Lesko · New York, NY6 shared Sandra M. Cram · Grand Cayman, Cayman Islands6 shared Stephen Key · MINNETONKA, MN6 shared Tucker Wright · Concord, Ontario, Canada6 shared Andrew Miller · Durham, NC6 shared Brian Neiswender · Durham, NC6 shared Greg Anglum · Durham, NC6 shared Josh Vose · Dallas, TX6 shared Aaron Davidson · Toronto, Ontario, Canada6 shared

Recent filings (19)

RESTOR3D, Inc.Aug 2025 · 31 co-filers$94.8M RESTOR3D, Inc.Apr 2025 · 32 co-filers$40.0M RESTOR3D, Inc.Mar 2025 · 32 co-filers$40.0M RESTOR3D, Inc.Feb 2025 · 32 co-filers$40.0M RESTOR3D, Inc.Jan 2025 · 32 co-filers$15.0M Acion Offshore FundJul 2024 · 13 co-filers Acion Onshore FundJul 2024 · 13 co-filers RESTOR3D, Inc.Jun 2024 · 29 co-filers$55.0M Limber Health, Inc.May 2024 · 19 co-filers$16.1M Limber Health, Inc.May 2024 · 19 co-filers$16.1M Limber Health, Inc.Apr 2024 · 19 co-filers$14.0M Limber Health, Inc.Apr 2024 · 19 co-filers$14.0M Acion Onshore FundJul 2023 · 13 co-filers Acion Offshore FundJul 2023 · 13 co-filers Boulder Ventures VIII, L.P.Nov 2022 · 15 co-filers$100.0M Limber Health, Inc.Oct 2022 · 11 co-filers$12.1M Limber Health, Inc.Oct 2022 · 11 co-filers$12.1M Acion Offshore FundJul 2022 · 13 co-filers Acion Onshore FundJul 2022 · 13 co-filers Boulder Ventures VIII, L.P.Jul 2022 · 15 co-filers$100.0M Boulder Ventures VII, L.P.Aug 2018 · 7 co-filers$60.0M Boulder Ventures VI, L.P.Dec 2013 · 8 co-filers$100.0M

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