Investor · Mountain View, CA

Alan Heppenstall

Open Alan in the network graph →

Filings

25

SEC Form D

Connections

37

co-filers

Capital

$14.2M

across filings

Active

Mar 2012

to Jul 2025

Most-connected co-filers (37)

Robert C. Desmarais · BEDMINSTER, NJ22 shared C. M. Stout · SAN FRANCISCO, CA22 shared Alan I. Mattamana · West Hartford, CT22 shared Mark R. Poff · San Francisco, CA22 shared OrbiMed Advisors LLC · New York, NY22 shared Gerald L. Van Horn · Greenwood Village, CO22 shared Mark L. Lane · Greenwood Village, CO22 shared Daniel King · Mountain View, CA21 shared D. C. Reese · SAN FRANCISCO, CA18 shared Tim Connors · Menlo Park, CA17 shared Heather M. Smith Thorne · SAN FRANCISCO, CA14 shared Carl L. Gordon · New York, NY10 shared W. C. Neild · New York, NY10 shared Geoffrey C. Hsu · New York, NY10 shared Sven H. Borho · New York, NY10 shared Matthew Opperman · Boulder, CO7 shared Caroline Xie · Mountain View, CA7 shared Alan Chan · SAN FRANCISCO, CA6 shared David P. Bonita · New York, NY6 shared C. S. Stevens · New York, NY6 shared Jonathan T. Silverstein · New York, NY6 shared Edward Mainous · Boulder, CO6 shared Peppertree Capital Fix LP · CHAGRIN FALLS, OH6 shared Michael B. Sheffery · NEW YORK, NY6 shared

Recent filings (25)

OrbiMed Partners II, L.P.Jul 2025 · 24 co-filers OrbiMed Partners II, L.P.Jul 2024 · 24 co-filers OrbiMed Partners II, L.P.Jul 2023 · 24 co-filers OrbiMed Partners II, L.P.Jul 2022 · 24 co-filers OrbiMed Partners II, L.P.Jul 2021 · 21 co-filers EdInvent Inc.Mar 2021 · 8 co-filers$7.3M OrbiMed Partners II, L.P.Jul 2020 · 21 co-filers OrbiMed Partners II, L.P.Jul 2019 · 12 co-filers OrbiMed Partners II, L.P.Jul 2018 · 10 co-filers OrbiMed Partners, L.P.Jul 2017 · 12 co-filers OrbiMed Partners II, L.P.Jul 2017 · 12 co-filers OrbiMed Partners II, L.P.Jul 2016 · 18 co-filers OrbiMed Partners, L.P.Jul 2016 · 18 co-filers EdInvent Inc.Jun 2016 · 8 co-filers$3.4M EdInvent Inc.Jun 2016 · 8 co-filers$3.4M OrbiMed Partners II, L.P.Jul 2015 · 18 co-filers OrbiMed Partners, L.P.Jul 2015 · 18 co-filers OrbiMed Partners II, L.P.Jul 2014 · 12 co-filers OrbiMed Partners, L.P.Jul 2014 · 12 co-filers OrbiMed Partners, L.P.Jul 2013 · 14 co-filers OrbiMed Partners II, L.P.Jul 2013 · 14 co-filers Caduceus Capital II, L.P.Mar 2013 · 14 co-filers Caduceus Capital, L.P.Mar 2013 · 14 co-filers Caduceus Capital II, L.P.Mar 2012 · 14 co-filers Caduceus Capital, L.P.Mar 2012 · 14 co-filers

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