Investor · San Francisco, CA

John G. Shewmaker

Open John in the network graph →

Filings

10

SEC Form D

Connections

20

co-filers

Capital

$60.5M

across filings

Active

Jan 2023

to Nov 2025

Most-connected co-filers (20)

Diego G. Chantrain · San Francisco, CA4 shared Leroy C. Richie · Lenexa, KS4 shared Francesca G. Tornaghi · San Francisco, CA3 shared Christina W. Morin · Newtown Square, PA3 shared Brian Christie · Rockville, MD2 shared Abigail A. Flinn · Irving, TX2 shared Andrew Ritter · SAN FRANCISCO, CA2 shared Dixon M. Bradbury · Charlotte, NC2 shared Coram G. Williams · San Francisco, CA2 shared Denis G. Machuel · San Francisco, CA2 shared Jerry Chafkin · Newport Beach, CA2 shared Tong P. Sun · Portland, OR2 shared Summit Works GP I, LLC · Stamford, CT2 shared Sridhar Kummam · Stamford, CT2 shared Jon M. Robertson · DALLAS, TX2 shared Neva West · Rockville, MD2 shared Summit Works Investment Management, LLC · Stamford, CT2 shared RRC Realty Assets II LLC · Dallas, TX2 shared Michael M. Todora · FORT WORTH, TX1 shared Sage Commercial Ventures, Mark LLC · FORT WORTH, TX1 shared

Recent filings (10)

r.Potential Inc.Nov 2025 · 8 co-filers$33.0M r.Potential Inc.Nov 2025 · 8 co-filers$33.0M r.Potential Inc.Jul 2025 · 11 co-filers$16.5M r.Potential Inc.Jul 2025 · 11 co-filers$16.5M r.Potential Inc.Jun 2025 · 8 co-filers$5.5M r.Potential Inc.Jun 2025 · 8 co-filers$5.5M rPotential Inc.Apr 2025 · 8 co-filers$5.5M rPotential Inc.Apr 2025 · 8 co-filers$5.5M Biotech Social Inc.Jan 2025 · 5 co-filers$1.5M Biotech Social Inc.Jan 2025 · 5 co-filers$1.5M Summit Works Fund I, LPJan 2024 · 6 co-filers RAD-DOC Denton Legacy LLCAug 2023 · 3 co-filers$5.2M Summit Works Fund I, LPJan 2023 · 6 co-filers RAD/DOC SUNBELT PRA PORTFOLIO II, LLCJan 2023 · 7 co-filers$2.5M

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