Investor · Calgary, Alberta, Canada

John Henry

Open John in the network graph →

Filings

10

SEC Form D

Connections

69

co-filers

Capital

—

across filings

Active

Oct 2008

to Jul 2025

Most-connected co-filers (69)

Paul Dimitriadis · Calgary, Alberta, Canada9 shared Regan Davis · Calgary, Alberta, Canada7 shared Douglas Allen · Calgary, Alberta, Canada7 shared Barbara Laplante · Calgary, Alberta, Canada5 shared Michael D. Watson · Calgary, Alberta, Canada5 shared Peter Donovan · Calgary, Alberta, Canada5 shared Heather E. Tookes, Phd · Chicago, IL3 shared Stephen S. Meade · Boca Raton, FL3 shared John W. Rogers, Jr · Chicago, IL3 shared Ariel Investments, Llc · Chicago, IL3 shared Ariel Investments, Llc · Chicago, IL3 shared Emma Rodriguez-Ayala · Chicago, IL3 shared Ariel Investments, Llc · Chicago, IL3 shared David L. Vitale · Chicago, IL3 shared Valerie B. Jarrett · Chicago, IL3 shared Arne S. Duncan · Chicago, IL3 shared Mellody L. Hobson · Chicago, IL3 shared Anthony D. Romero · Chicago, IL3 shared Fazal F. Merchant · Chicago, IL3 shared Judy A. Smith · Chicago, IL3 shared Peter M. Young · George Town, Cayman Islands2 shared K.J. M. Cremers, Phd · Chicago, IL2 shared Ahmed M. Fattouh · San Francisco, CA2 shared David Mancilla · New York, NY2 shared

Recent filings (10)

Sage Potash Corp.Jan 2026 · 6 co-filers$22K Ariel International DM/EM LLCJul 2025 · 38 co-filers Sage Potash Corp.Jul 2025 · 17 co-filers$1.5M Ariel Emerging Markets Value Fund LLCJul 2025 · 18 co-filers Ariel Emerging Markets Value Ex-China Fund LLCJul 2025 · 18 co-filers Waseca Energy Inc.Jan 2010 · 8 co-filers$535K Waseca Energy Inc.Nov 2008 · 13 co-filers$900K Waseca Energy Inc.Nov 2008 · 13 co-filers$278K Waseca Energy Inc.Oct 2008 · 13 co-filers$31.2M Waseca Energy Inc.Oct 2008 · 13 co-filers$500K

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