Investor · Pittsburgh, PA
Douglas Johnston
Open Douglas in the network graph →Filings
35
SEC Form D
Connections
124
co-filers
Capital
$4.6M
across filings
Active
Feb 2022
to Aug 2025
Most-connected co-filers (124)
Michael Chancellor · PITTSBURGH, PA22 sharedLori Birder · Pittsburgh, PA15 sharedMukesh K. Chhaganlal · SINGAPORE, U014 sharedAndre W. Hoekema · Cambridge, MA10 sharedColony Funds, LLC · New York, NY10 sharedMichael Murphy · New York, NY10 sharedKristopher Armstrong · San Diego, CA10 sharedThe Colony Group, LLC · Boston, MA10 sharedMichael J. Nathanson · Boston, MA10 sharedElisabeth L. Talbot · Boston, MA10 sharedStephen T. Sadler · Boston, MA10 sharedMaria W. Nichol · Cambridge, MA10 sharedDaniel Cohen · Pittsburgh, PA9 sharedJonathan Kaufman · PITTSBURGH, PA9 sharedAmy Adams · Portland, OR8 sharedRoger T. Richer · Vancouver, British Columbia, Canada8 sharedNaoki Yoshimura · Pittsburgh, PA8 sharedZachary Flood · Vancouver, British Columbia, Canada8 sharedDavid M. Lang · Manchester, NH8 sharedJames M. Gill · Manchester, NH8 sharedAndrew E. Copp · Brooklyn, NY7 sharedRyan Pruchnic · Pittsburgh, PA7 sharedRuth A. Beyer · PORTLAND, OR6 sharedShawn R. Hagel · PORTLAND, OR6 shared
Recent filings (35)
Evogene Ltd.Feb 2026 · 8 co-filers$3.4MAlumni Ventures Group LLCAug 2025 · 17 co-filers$25.0MAlumni Ventures Group LLCMay 2025 · 18 co-filers$15.0MAlumni Ventures Group LLCMay 2025 · 18 co-filers$25.0MLIPELLA PHARMACEUTICALS INC.Apr 2025 · 22 co-filers$9KLIPELLA PHARMACEUTICALS INC.Apr 2025 · 22 co-filers$9KAlumni Ventures Group LLCFeb 2025 · 21 co-filers$20.0MLIPELLA PHARMACEUTICALS INC.Jan 2025 · 23 co-filers$6.0MLIPELLA PHARMACEUTICALS INC.Jan 2025 · 23 co-filers$6.0MEvogene Ltd.Sep 2024 · 28 co-filers$12.0MLIPELLA PHARMACEUTICALS INC.Aug 2024 · 23 co-filers$120KLIPELLA PHARMACEUTICALS INC.Aug 2024 · 23 co-filers$120KAlumni Ventures Group LLCMay 2024 · 21 co-filers$10.0MUnderscore.VC Fund III, L.P.Apr 2024 · 13 co-filers$58.2MTCG International Opportunities Fund, L.P.Jan 2024 · 12 co-filersTCG Balanced Fund, L.P.Jan 2024 · 12 co-filersTCG Onshore Balanced Fund, L.P.Jan 2024 · 12 co-filersTCG Diversifying Strategies Fund, L.P.Jan 2024 · 12 co-filersLIPELLA PHARMACEUTICALS INC.Nov 2023 · 23 co-filers$2.0MLIPELLA PHARMACEUTICALS INC.Nov 2023 · 23 co-filers$2.0MTCG INCOME OPPORTUNITY PARTNERSHIP, L.P.Oct 2023 · 15 co-filersUnderscore.VC Fund III, L.P.Sep 2023 · 13 co-filers$50.0MLIPELLA PHARMACEUTICALS INC.Sep 2023 · 23 co-filers$122KLIPELLA PHARMACEUTICALS INC.Sep 2023 · 23 co-filers$122KAlumni Ventures Group LLCAug 2023 · 15 co-filers$20.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Douglas in the interactive graph →