Investor · Elizabeth, IL

Don J. Berlage

Open Don in the network graph →

Filings

28

SEC Form D

Connections

162

co-filers

Capital

—

across filings

Active

Mar 2017

to Mar 2025

Most-connected co-filers (162)

Jason H. Geminn · Edwardsville, IL28 shared Douglas R. Carroll · Carlinville, IL24 shared Dan W. Duitscher · Rolfe, IA24 shared Chris D. Hoeger · Davenport, IA24 shared Bryan J. Heinrichs · Breese, IL23 shared William S. Gilboy · Chicago, IL22 shared Gll Investors LLC · Chicago, IL22 shared Jason R. Gilboy · Chicago, IL22 shared Michael S. Newlander · Chicago, IL22 shared J. D. Kelsey · Old Lyme, CT11 shared Masahiko L. Yamaguchi · Central, Hong Kong, Israel11 shared Lawrence M. Blatt · South San Francisco, CA11 shared Charles J. Fitgerald · BOSTON, MA11 shared Wayne Ross · Grand Cayman, Cayman Islands11 shared Costa Littas · NEWPORT BEACH, CA11 shared Alexander Klabin · New York, NY11 shared Mark Ricketson · Boulder, CO4 shared Verne O. Sedlacek · WILTON, CT4 shared Caz Investments Equity PE LP · Houston, TX4 shared Casey D. Tansey · Menlo Park, CA4 shared Stephen Penrod · Lawrence, KS4 shared Daniel P. Burkott · Windsor, CT4 shared James A. Nussle · Minneapolis, MN4 shared Constance L. Souders · Minneapolis, MN4 shared

Recent filings (28)

GLL Health Sciences Fund LtdMar 2025 · 14 co-filers GLL Health Sciences Fund LLCMar 2025 · 11 co-filers GLL Health Sciences Fund LtdMar 2024 · 14 co-filers GLL Health Sciences Fund LLCMar 2024 · 11 co-filers GLL Health Sciences Fund LtdMar 2023 · 14 co-filers GLL Health Sciences Fund LLCMar 2023 · 11 co-filers GLL Health Sciences Fund LtdMar 2022 · 14 co-filers GLL Health Sciences Fund LLCMar 2022 · 11 co-filers GLL Health Sciences Fund LtdMar 2021 · 14 co-filers GLL Health Sciences Fund LLCMar 2021 · 11 co-filers GLL Health Sciences Fund LtdMar 2020 · 14 co-filers GLL Health Sciences Fund LLCMar 2020 · 11 co-filers GLL Health Sciences Fund LLCMar 2020 · 11 co-filers GLL Health Sciences Fund LtdMar 2020 · 14 co-filers Thrivent Core FundsMar 2020 · 32 co-filers GLL Health Sciences Fund LtdMar 2019 · 14 co-filers GLL Health Sciences Fund LLCMar 2019 · 11 co-filers GLL Health Sciences Fund LLCMar 2019 · 11 co-filers Thrivent Core FundsMar 2019 · 32 co-filers GLL Health Sciences Fund LtdMar 2019 · 14 co-filers PRAIRIE FARMS DAIRY INCFeb 2019 · 107 co-filers$4.5M Thrivent Core FundsMar 2018 · 34 co-filers GLL Health Sciences Fund LLCMar 2018 · 11 co-filers GLL Health Sciences Fund LtdMar 2018 · 14 co-filers PRAIRIE FARMS DAIRY INCFeb 2018 · 99 co-filers$4.6M

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