Investor · San Francisco, CA

Keith Spears

Open Keith in the network graph →

Filings

12

SEC Form D

Connections

63

co-filers

Capital

—

across filings

Active

Jan 2021

to Feb 2026

Most-connected co-filers (63)

Craig Sullivan · Chapel Hill, NC9 shared Include Venture Partners, LLC · San Francisco, CA7 shared Castle Ridge Asset Management Limited · Toronto, Ontario, Canada6 shared Janine Yorio · New York, NY6 shared Castle Ridge Ltd · Grand Cayman, Cayman Islands6 shared Denis Conor · Burnaby, British Columbia, Canada6 shared Douglas Krafte · Durham, NC6 shared Vincent Palmieri · Durham, NC5 shared Matthew M. Leffler · Chicago, IL5 shared Mark Fagan · Grand Cayman, Cayman Islands5 shared B.P. Martiuk · Grand Cayman, Cayman Islands5 shared Taj Eldridge · San Francisco, CA5 shared Adrian De Valois-Franklin · Toronto, Ontario, Canada5 shared Alexander Pattis · New York, NY4 shared Luke R. Wood · Austin, TX4 shared Justin C. Cox · Dallas, TX3 shared Don C. Kivowitz · Dallas, TX3 shared Hudson C. White · Dallas, TX3 shared Robert C. Langholz · Dallas, TX3 shared Orrin C. Harrison · Dallas, TX3 shared Jonathan P. Weitz · Boston, MA3 shared Amy B. Schulman · New York, NY3 shared Brian Chee · Boston, MA3 shared Anthony B. Davis · Dallas, TX3 shared

Recent filings (12)

Castle Ridge Apex LPFeb 2026 · 4 co-filers Castle Ridge Apex LPFeb 2025 · 14 co-filers Castle Ridge Apex LPFeb 2024 · 14 co-filers Include Venture Partners Fund I, LPMay 2023 · 13 co-filers Castle Ridge Market Neutral LPFeb 2023 · 14 co-filers Castle Ridge Market Neutral LPMar 2022 · 14 co-filers Include Ventures Fund I, LPFeb 2022 · 13 co-filers Castle Ridge Market Neutral LPMar 2021 · 14 co-filers Maple Financial Holdings, Inc.Mar 2021 · 35 co-filers$15.0M Castle Ridge Market Neutral LPMar 2021 · 5 co-filers Maple Financial Holdings, Inc.Feb 2021 · 35 co-filers$15.0M Maple Financial Holdings, Inc.Jan 2021 · 35 co-filers$15.0M

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