Investor · Westport, CT

Matthew Reibl

Open Matthew in the network graph →

Filings

11

SEC Form D

Connections

27

co-filers

Capital

—

across filings

Active

Jun 2023

to Sep 2025

Most-connected co-filers (27)

Robert M. Carskadden · Pittsburgh, PA6 shared Bret Wiener · WESTPORT, CT5 shared Adrian Sisser · New York, NY4 shared Stephen Cash · New York, NY4 shared Adam Kravetz · New York, NY4 shared Ning Jin · New York, NY4 shared Kelly Morgan · Las Vegas, NV4 shared Shelby Judd · Columbia, SC4 shared Jennifer Barrett · Las Vegas, NV4 shared Andrew Lerner · Westport, CT3 shared John Tucker · WESTPORT, CT3 shared Robert W. Walker · Hammond, LA3 shared Bruce R. Mcanally · Hammond, LA3 shared Michael R. Mineer · Hammond, LA3 shared Philip Reeves · Washington, Washington, D.C.3 shared Gemspring Capital Management, Llc · Westport, CT3 shared Gemspring Capital Management, Llc · Westport, CT3 shared Gemspring Growth Solutions Gp Ii, Lp · Westport, CT2 shared _ Alliance Medical Fund I Manager LLC · Deerfield, IL2 shared Tawsif Khan · Austin, TX2 shared Gemspring Growth Solutions Gp Ii, Lp · Westport, CT2 shared James Long · ALEXANDRIA, VA2 shared Alexandra Mcleod · ALEXANDRIA, VA2 shared Stephen Schroder · ALEXANDRIA, VA2 shared

Recent filings (11)

Gemspring Growth Solutions II, LPSep 2025 · 15 co-filers$1.0B Gemspring Growth Solutions Executive II, LPSep 2025 · 15 co-filers Gemspring Growth Solutions II-A, LPSep 2025 · 15 co-filers$1.0B Gemspring Growth Solutions II, LPSep 2025 · 15 co-filers$1.0B Gemspring Growth Solutions II-A, LPSep 2025 · 15 co-filers$1.0B Gemspring Growth Solutions Executive II, LPSep 2025 · 15 co-filers Parlay Protocol Inc.Jun 2025 · 8 co-filers$1.7M Parlay Protocol Inc.Jun 2025 · 8 co-filers$1.8M Alliance Medical Fund I LLCJun 2024 · 4 co-filers$50.0M Seven Eight Capital Offshore Fund, LPJun 2024 · 8 co-filers Seven Eight Capital Fund, LPJun 2024 · 8 co-filers Seven Eight Capital Offshore Fund, LPJun 2023 · 8 co-filers Alliance Medical Fund I LLCJun 2023 · 4 co-filers$50.0M Seven Eight Capital Fund, LPJun 2023 · 8 co-filers

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