Investor · West Hartford, CT

Alan I. Mattamana

Open Alan in the network graph →

Filings

32

SEC Form D

Connections

77

co-filers

Capital

$239.2M

across filings

Active

Mar 2012

to Jul 2025

Most-connected co-filers (77)

Gerald L. Van Horn · Greenwood Village, CO24 shared Mark L. Lane · Greenwood Village, CO23 shared OrbiMed Advisors LLC · New York, NY22 shared Alan Heppenstall · Mountain View, CA22 shared Robert C. Desmarais · BEDMINSTER, NJ22 shared C. M. Stout · SAN FRANCISCO, CA22 shared Mark R. Poff · San Francisco, CA22 shared Daniel King · Mountain View, CA18 shared D. C. Reese · SAN FRANCISCO, CA18 shared Heather M. Smith Thorne · SAN FRANCISCO, CA14 shared Tim Connors · Menlo Park, CA14 shared Sven H. Borho · New York, NY10 shared W. C. Neild · New York, NY10 shared Geoffrey C. Hsu · New York, NY10 shared Carl L. Gordon · New York, NY10 shared Joann H. Price · West Hartford, CT8 shared Akbar A. Poonawala · New York, NY8 shared Dinkar A. Jetley · New York, NY8 shared Madeleine R. Ludlow · Cincinnati, OH8 shared Joshua H. Levine · Raanana, L38 shared NorthStar Capital Funds, LLC · New York, NY8 shared John L. Carter · Columbus, OH8 shared Kolawole C. Olofinboba · West Hartford, CT8 shared Laurence C. Morse · West Hartford, CT8 shared

Recent filings (32)

OrbiMed Partners II, L.P.Jul 2025 · 24 co-filers OrbiMed Partners II, L.P.Jul 2024 · 24 co-filers Fairview Foundations Emerging Managers Fund II, L.P.Aug 2023 · 16 co-filers OrbiMed Partners II, L.P.Jul 2023 · 24 co-filers Fairview Private Markets Fund VI, L.P.Nov 2022 · 18 co-filers Fairview Foundations Emerging Managers Fund II, L.P.Aug 2022 · 19 co-filers OrbiMed Partners II, L.P.Jul 2022 · 24 co-filers Fairview Private Markets Fund VI, L.P.Dec 2021 · 18 co-filers OrbiMed Partners II, L.P.Jul 2021 · 21 co-filers OrbiMed Partners II, L.P.Jul 2020 · 21 co-filers Fairview Private Markets Fund V, L.P.Jan 2020 · 18 co-filers LNC Partners II-SBIC, L.P.Sep 2019 · 8 co-filers OrbiMed Partners II, L.P.Jul 2019 · 12 co-filers Fairview Private Markets Fund V, L.P.Feb 2019 · 18 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 Fairview Private Markets Fund IV, L.P.Jun 2017 · 18 co-filers$250.0M OrbiMed Partners II, L.P.Jul 2016 · 18 co-filers OrbiMed Partners, L.P.Jul 2016 · 18 co-filers Fairview Private Markets Fund IV, L.P.Jun 2016 · 18 co-filers$250.0M Narcote Holdco, LLCJul 2015 · 12 co-filers$6.7M OrbiMed Partners II, L.P.Jul 2015 · 18 co-filers OrbiMed Partners, L.P.Jul 2015 · 18 co-filers OrbiMed Partners, L.P.Jul 2014 · 12 co-filers

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