Investor · Framingham, MA

John K. Hey, Ph.D

Open John in the network graph →

Filings

11

SEC Form D

Connections

66

co-filers

Capital

$272.6M

across filings

Active

Oct 2011

to Feb 2025

Most-connected co-filers (66)

Susan K. Abushakra, M.D · Framingham, MA7 shared Alyssa Moore · Asheville, NC6 shared Bill M. Shireman · Washington, Washington, D.C.5 shared Brendan R. Rogers · New York, NY5 shared Michael D. Tolkson · St. Charles, IL5 shared Brandon D. Pevnick · Chicago, IL5 shared Gary J. Carr · Hamilton, Bermuda5 shared Neil W. Flanzraich · Framingham, MA5 shared Holly Lyman · Sedona, AZ5 shared Nick Koncilja · Denver, CO5 shared Sally L. Waranch · Los Angeles, CA5 shared Rudolf Weder · George Town, Grand Cayman, Cayman Islands5 shared Collin D. Duff · St. Charles, IL5 shared Jordan W. Heller · Framingham, MA5 shared Kenneth A. Mace · Framingham, MA5 shared Lindsay J. Luger · New York, NY5 shared Diane K. Jorkasky, M.D · Framingham, MA5 shared Katherine M. Gehl · Washington, Washington, D.C.5 shared Martin Tolar, M.D., Ph.D · Framingham, MA5 shared Matthew P. Ellis · San Diego, CA5 shared James A. Michie · Panama City, R15 shared Charles W. Portz · Richmond, VA4 shared J. S. Bridgeforth · Moorefield, WV4 shared Carol Lizak · San Francisco, CA4 shared

Recent filings (11)

ALZHEON, INC.Feb 2025 · 37 co-filers$150.0M ALZHEON, INC.Jan 2025 · 37 co-filers$125.0M ALZHEON, INC.Mar 2024 · 35 co-filers$50.0M ALZHEON, INC.Jan 2023 · 26 co-filers$50.0M ALZHEON, INC.Sep 2020 · 23 co-filers$50.0M ENMOTUS INC.Jan 2019 · 14 co-filers$1.1M Apnimed, Inc.Jan 2019 · 17 co-filers$25.6M ENMOTUS INC.Sep 2018 · 9 co-filers$1.0M Apnimed, Inc.Aug 2018 · 11 co-filers$25.6M ENMOTUS INC.Jan 2013 · 5 co-filers$1.0M ENMOTUS INC.Oct 2011 · 5 co-filers$1.1M

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