Investor · St. Louis, MO

Dr. Joel Braunstein

Open Dr. in the network graph →

Filings

16

SEC Form D

Connections

45

co-filers

Capital

$35.0M

across filings

Active

Oct 2022

to Jun 2025

Most-connected co-filers (45)

Micah Onixt · St. Louis, MO10 shared Dr. Michael Goldblatt · St. Louis, MO7 shared Sequoya Borgman · Milwaukee, WI6 shared Dr. Randall Bateman · St. Louis, MO6 shared Dr. David Holtzman · St. Louis, MO6 shared Jordan D. Justus · Los Angeles, CA6 shared Brent Adam · Milwaukee, WI5 shared Michael Silva · Miami, FL5 shared Michael Regennitter · Colorado Springs, CO5 shared Kimberly Penny · La Jolla, CA4 shared G. Nicholas Farwell · La Jolla, CA4 shared Anthony Farwell · La Jolla, CA4 shared Xiaogang Zhang · HONG KONG, Hong Kong4 shared Aakif Ahmad · Virginia Beach, VA4 shared Samuel Lee · Austin, TX4 shared Rennick Palley · Newport Beach, CA4 shared Richard A. Bernert · Tucson, AZ4 shared Amanda Powers · Albuquerque, NM4 shared Shareef Tahboub · CHARLOTTESVILLE, VA4 shared Kimbel Farwell · La Jolla, CA4 shared Paul Mass · La Jolla, CA4 shared Patrick Flynn · Menlo Park, CA3 shared Raj Attariwala · Vancouver, British Columbia, Canada3 shared Mark Williams · Vancouver, British Columbia, Canada3 shared

Recent filings (16)

Algernon Health Inc.Dec 2025 · 20 co-filers$1.1M Algernon Health Inc.Dec 2025 · 20 co-filers$582K Harlo Investment, LLCJun 2025 · 7 co-filers$8.7M C2N Diagnostics, LLCMay 2025 · 16 co-filers$10.0M C2N Diagnostics, LLCMay 2025 · 16 co-filers$10.0M C2N Diagnostics, LLCSep 2024 · 14 co-filers$25.0M C2N Diagnostics, LLCSep 2024 · 14 co-filers$25.0M C2N Diagnostics, LLCMay 2024 · 9 co-filers$15.0M C2N Diagnostics, LLCMay 2024 · 9 co-filers$15.0M BBO Investment, LLCMay 2024 · 7 co-filers$5.5M Algernon Pharmaceuticals Inc.Apr 2024 · 20 co-filers$13K TP Equity Investment, LLCFeb 2024 · 11 co-filers$8.7M TP Mezz Investment, LLCFeb 2024 · 11 co-filers$2.0M ExperienceNow, Inc.Jan 2023 · 14 co-filers$525K ExperienceNow, Inc.Dec 2022 · 14 co-filers$300K ExperienceNow, Inc.Dec 2022 · 14 co-filers$555K ExperienceNow, Inc.Dec 2022 · 14 co-filers$1.3M Mac RE Holding LLCDec 2022 · 7 co-filers$2.5M K.G.S. Investment LLCOct 2022 · 4 co-filers$8.5M

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