Investor · San Francisco, CA

Leon F. Chen, Ph.D

Open Leon in the network graph →

Filings

7

SEC Form D

Connections

62

co-filers

Capital

$45.0M

across filings

Active

Dec 2016

to Nov 2021

Most-connected co-filers (62)

Hannah Hensel · ANN ARBOR, MI5 shared Dan Converse · CARLSBAD, CA5 shared Mark Amador · CARLSBAD, CA5 shared William Clarke · ANN ARBOR, MI5 shared Carol F. Gallagher · San Francisco, CA4 shared Steven P. James · San Francisco, CA4 shared Matthew F. Krummel, Ph.D · San Francisco, CA4 shared Joshua F. Resnick, M.D · San Francisco, CA4 shared Michael F. Powell · San Francisco, CA4 shared Jeff Dossett · Seattle, WA3 shared Ryan Hamlin · Seattle, WA3 shared Preetish Nijhawan · PALO ALTO, CA3 shared Beacon Holdings Managing Co., LLC · Norfolk, VA3 shared Tyler Koblasa · SAN FRANCISCO, CA3 shared Richmond Bernhardt, Iii · DURHAM, NC3 shared Michael Kronenberg · New York, NY3 shared Jon Baugher · Seattle, WA3 shared G. S. Greenburg · Seattle, WA3 shared Mike Markette · Seattle, WA3 shared Cynthia H. Wilbanks · Ann Arbor, MI2 shared Timothy G. Marshall · Ann Arbor, MI2 shared Charles E. Crone, Jr · Ann Arbor, MI2 shared Cynthia J. Livesay · Ann Arbor, MI2 shared Bradley P. Berkley · Chevy Chase, MD2 shared

Recent filings (7)

Arbor Bancorp, Inc.Nov 2021 · 42 co-filers$40.1M POSaBIT, Inc.May 2018 · 14 co-filers PIONYR IMMUNOTHERAPEUTICS, INC.Apr 2018 · 17 co-filers$7.0M PIONYR IMMUNOTHERAPEUTICS, INC.Dec 2017 · 17 co-filers$62.0M POSaBIT, Inc.Jun 2017 · 14 co-filers$1.5M POSaBIT, Inc.Dec 2016 · 14 co-filers$1.5M Arbor Bancorp, Inc.Dec 2016 · 40 co-filers$12.3M

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