Investor · Boston, MA

Regina A. Barzilay, Ph.D

Open Regina in the network graph →

Filings

10

SEC Form D

Connections

55

co-filers

Capital

$209.1M

across filings

Active

Mar 2021

to Mar 2026

Most-connected co-filers (55)

Shawn Reynolds · New York, NY6 shared Michael J. Tremiti · Pittsford, NY6 shared Philip N. Dickie · Grand Cayman, Cayman Islands5 shared Leanne R. Golding · Grand Cayman, Cayman Islands5 shared Brian C. Taylor · Minnetonka, MN5 shared Paul L. Loosmann · CHICAGO, IL5 shared John W. Collins · CHICAGO, IL5 shared Galaxy LLC · Chicago, IL5 shared Ameet A. Nathwani, M.D · Boston, MA4 shared Isaac A. Klein, M.D., Ph.D · Boston, MA4 shared Olivier H. Brandicourt, M.D · Boston, MA4 shared Lori A. Escobedo · Boston, MA4 shared Richard A. Young, Ph.D · Boston, MA4 shared Lawrence Larson · Tacoma, WA2 shared David Cotter · Tacoma, WA2 shared Jason Parks · Tacoma, WA2 shared Jane Taylor · TACOMA, WA2 shared Mark A. Murcko, Ph.D · Boston, MA2 shared Barry R. Mandel · Milwaukee, WI2 shared Jordan R. Collins · South Jordan, UT2 shared Jay Bellows · Waterbury, VT2 shared Lindsay Gorrill · Coeur d'Alene, ID2 shared Anthony A. Hyman, Ph.D · Boston, MA2 shared Kurt L. Keilhacker · STAMFORD, CT2 shared

Recent filings (10)

Pine River Precision Fund SPC for the Account of Pine River Municipal Fund S.P.Mar 2026 · 2 co-filers Dewpoint Therapeutics, Inc.Sep 2025 · 34 co-filers$59.1M Pine River Precision Fund SPC for the Account of Pine River Municipal Fund S.P.Mar 2025 · 8 co-filers Pine River Precision Fund SPC for the Account of Pine River Municipal Fund S.P.Mar 2024 · 8 co-filers Pine River Precision Fund SPC for the Account of Pine River Municipal Fund S.P.Mar 2023 · 8 co-filers SkedgeAlert, Inc.Jun 2022 · 17 co-filers$3.5M Pine River Precision Fund SPC for the Account of Pine River Municipal Fund S.P.Mar 2022 · 8 co-filers Dewpoint Therapeutics, Inc.Feb 2022 · 34 co-filers$150.0M Pine River Precision Fund SPC for the Account of Pine River Municipal Fund S.P.Mar 2021 · 8 co-filers SkedgeAlert, Inc.Mar 2021 · 19 co-filers$3.5M

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