Investor · Seattle, WA
G. S. Greenburg
Open G. in the network graph →Filings
204
SEC Form D
Connections
534
co-filers
Capital
$528.0M
across filings
Active
Aug 2017
to Jan 2026
Most-connected co-filers (534)
Jeff Dossett · Seattle, WA39 sharedC. Jackson Square Partners, Llc · Larkspur, CA37 sharedMike Markette · Seattle, WA37 sharedDavid Hammond · George Town, Grand Cayman, Cayman Islands37 sharedJames N. Murray · New York, NY37 sharedN. Bhatia · Spring, TX37 sharedWarwick Royalty And Mineral Fund Iv Gp Llc · Wilmington, DE37 sharedFerdinand C. Massari · Toronto, Ontario, Canada37 sharedJon Baugher · Seattle, WA36 sharedSee Clarification See Clarification · London, United Kingdom36 sharedJoel Tune · Glenview, IL35 sharedPeter M. Slaugh · Denver, CO33 sharedCynthia J. Livesay · Ann Arbor, MI29 sharedMichael S. Martin · Ann Arbor, MI29 sharedJoseph A. Sesi · Ann Arbor, MI29 sharedMichael Castor · NEW YORK, NY26 sharedRonald J. Pollack · Clearwater, FL26 sharedGary Peiser · Chicago, IL26 sharedLars F. Nielson · Copenhagen, Netherlands26 sharedErnest G. Perich · Ann Arbor, MI26 sharedMitchell Hora · Washington, IA26 sharedHan Shen · Santa Clara, CA26 sharedPaul J. Finnegan · CHICAGO, IL25 sharedGary D. Hall · Lubbock, TX25 shared
Recent filings (204)
Nomadix, SPCJan 2026 · 5 co-filersMDCP Co-Investors (Knight), L.P.Oct 2025 · 26 co-filersHappier Camper, Inc.Oct 2025 · 10 co-filersSAMBAZON INCOct 2025 · 24 co-filersHappier Camper, Inc.Oct 2025 · 10 co-filersMDCP NC Co-Invest, L.P.Oct 2025 · 23 co-filersEvercycle IncSep 2025 · 6 co-filersMadison Dearborn Capital Partners IX-B, L.P.Aug 2025 · 23 co-filers$3.0BMadison Dearborn Capital Partners IX-A, L.P.Aug 2025 · 23 co-filers$3.0BMadison Dearborn Capital Partners IX-C, L.P.Aug 2025 · 23 co-filers$3.0BMadison Dearborn Capital Partners IX Executive-A, L.P.Aug 2025 · 23 co-filers$3.0BMadison Dearborn Capital Partners IX Executive-B, L.P.Aug 2025 · 24 co-filers$3.0BMDCP Co-Investors (Chicago), L.P.Aug 2025 · 23 co-filersMDCP Co-Investors (Chicago-C), L.P.Aug 2025 · 23 co-filersDDC Enterprise LtdJul 2025 · 17 co-filers$302.0MDDC Enterprise LtdJul 2025 · 17 co-filers$200.0MPathfinder Spirit IncJul 2025 · 9 co-filersMDCP Co-Investors (Nimbus), L.P.May 2025 · 23 co-filersTosi Snacks SPCApr 2025 · 5 co-filersSendy, SPCMar 2025 · 2 co-filersSendy, SPCJan 2025 · 3 co-filersTosi Snacks SPCJan 2025 · 5 co-filersMDCP Co-Investors (Tango), L.P.Dec 2024 · 16 co-filersCyrus Biotechnology, Inc.Dec 2024 · 7 co-filers$3.5MFlying Fish Opportunity Fund I, LPDec 2024 · 7 co-filers$25.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See G. in the interactive graph →