Investor · Stamford, CT

Spencer J. Hempleman

Open Spencer in the network graph →

Filings

57

SEC Form D

Connections

130

co-filers

Capital

$4.2B

across filings

Active

Nov 2018

to Nov 2024

Most-connected co-filers (130)

Philip J. Hempleman · Stamford, CT57 shared Ardsley Advisory Partners LP · Stamford, CT50 shared Ardsley Partners I GP, LLC · Stamford, CT50 shared Arthur T. Dyer · WICHITA, KS7 shared J. Hempleman · Stamford, CT6 shared Barry Gainsburg · Plantation, FL5 shared John B. Elstrott, Jr · San Clemente, CA4 shared Noah Swank · Wichita, KS4 shared David A. Taft · Boston, MA3 shared Conyers Trust Company (Cayman) Limited · Grand Cayman, Cayman Islands3 shared Conyers Trust Company (Cayman) Limited · Grand Cayman, Cayman Islands3 shared Matthew Stocker · Grand Cayman, Cayman Islands3 shared Ifm Investors Pty Ltd · Melbourne, Channel Islands3 shared Erik Bodden · Grand Cayman, Cayman Islands3 shared Alan Marshall · St George's, Bermuda3 shared Derek Stenson · Grand Cayman, Cayman Islands3 shared Ifm Investors Pty Ltd · Melbourne, Channel Islands3 shared Lionel Berruti · Sharjah Main City, C03 shared Gregory S. Bennett · Grand Cayman, Cayman Islands2 shared Tara C. Keels · NEW YORK, NY2 shared Arshil C. Jamal · Winnipeg, Manitoba, Canada2 shared Yvonne C. Owens · NEW YORK, NY2 shared Rob Kolodziej · New York, NY2 shared Jeffrey P. Cohen · New York, NY2 shared

Recent filings (57)

HLM Co-Invest I, L.P.Jan 2026 · 4 co-filers Ardsley Partners Advanced Healthcare Fund, L.P.Nov 2025 · 8 co-filers Ardsley World Information Technology Fund, L.P.Nov 2025 · 9 co-filers Ardsley Partners Fund II, L.P.Nov 2025 · 9 co-filers Ardsley Duckdive Fund, L.P.Nov 2025 · 9 co-filers Ardsley Sustainable Opportunities Fund, L.P.Nov 2025 · 9 co-filers Ardsley World Information Technology Fund, L.P.Nov 2025 · 9 co-filers Ardsley Partners Fund II, L.P.Nov 2025 · 9 co-filers Ardsley Duckdive Fund, L.P.Nov 2025 · 9 co-filers Ardsley Sustainable Opportunities Fund, L.P.Nov 2025 · 9 co-filers Ardsley Partners Advanced Healthcare Fund, L.P.Nov 2025 · 8 co-filers HLM Investment Partners VI, L.P.Aug 2025 · 13 co-filers IFM US Dollar Liquidity FundApr 2025 · 12 co-filers Ardsley Sustainable Opportunities Fund, L.P.Nov 2024 · 6 co-filers Ardsley Partners Advanced Healthcare Fund, L.P.Nov 2024 · 6 co-filers Ardsley Duckdive Fund, L.P.Nov 2024 · 6 co-filers Ardsley Partners Fund II, L.P.Nov 2024 · 6 co-filers Ardsley World Information Technology Fund, L.P.Nov 2024 · 6 co-filers Ardsley Ridgecrest Partners Fund, L.P.Nov 2024 · 6 co-filers IFM US Dollar Liquidity FundApr 2024 · 18 co-filers Ardsley Ridgecrest Partners Fund, L.P.Nov 2023 · 5 co-filers Ardsley Sustainable Opportunities Fund, L.P.Nov 2023 · 5 co-filers Ardsley Partners Advanced Healthcare Fund, L.P.Nov 2023 · 5 co-filers Ardsley World Information Technology Fund, L.P.Nov 2023 · 5 co-filers Ardsley Duckdive Fund, L.P.Nov 2023 · 5 co-filers

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