Investor · Evanston, IL

James N. Topper

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Filings

7

SEC Form D

Connections

26

co-filers

Capital

$999.0M

across filings

Active

Feb 2010

to Mar 2025

Most-connected co-filers (26)

James Topper · Newton, MA6 shared Patrick J. Heron · Dublin, Ireland3 shared Patrick P. Enright · Menlo Park, CA2 shared Joseph R. Moskal · Evanston, IL2 shared Ashish M. Khanna · Evanston, IL2 shared Norbert G. Riedel · Evanston, IL2 shared Terry P. Gould · Evanston, IL2 shared Daniel J. Estes · Menlo Park, CA2 shared Torsten M. Madsen · Evanston, IL2 shared Liam P. Ratcliffe · Evanston, IL2 shared Wilbur H. Gantz Iii · Wayne, PA2 shared Robert Tepper · Newton, MA1 shared Ashley L. Dombkowski · South San Francisco, CA1 shared Kevork A. Zoryan · New York, NY1 shared Alexey D. Margolin · Newton, MA1 shared Lee Brettman · Cambridge, MA1 shared Robert Gallotto · Newton, MA1 shared Richard P. Aldrich · WALTHAM, MA1 shared Bernie L. Treidl · Germantown, MD1 shared Roy N. Arup · Germantown, MD1 shared William L. Rust · Germantown, MD1 shared Carole L. Welsch · Germantown, MD1 shared Gi-Hyeok L. Yang · Germantown, MD1 shared Adam M. Koppel · Evanston, IL1 shared

Recent filings (7)

Frazier Life Sciences XII, L.P.Mar 2025 · 5 co-filers Frazier Life Sciences XI, L.P.Mar 2022 · 5 co-filers$960.0M Seraxis Holdings, Inc.Feb 2021 · 11 co-filers$40.0M Frazier Life Sciences X, L.P.Dec 2019 · 3 co-filers$617.0M Aptinyx Inc.Dec 2017 · 21 co-filers$70.0M Aptinyx Inc.Dec 2017 · 21 co-filers$70.0M Aptinyx Inc.May 2016 · 17 co-filers$65.0M ALNARA PHARMACEUTICALS INCFeb 2010 · 9 co-filers$35.0M

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