Ledger.
Investor · St. Louis, MO

Dr. David Holtzman

Open Dr. in the network graph →
Filings
12
SEC Form D
Connections
69
co-filers
Capital
$35.0M
across filings
Active
Dec 2022
to May 2025

Most-connected co-filers (69)

Patrick Flynn · Menlo Park, CA6 sharedDr. Joel Braunstein · St. Louis, MO6 sharedDr. Randall Bateman · St. Louis, MO6 sharedMicah Onixt · St. Louis, MO6 sharedJames Carr · Farmingdale, NJ5 sharedHarry Bloomfield · Vancouver, British Columbia, Canada3 sharedEric A. Becker · Chicago, IL3 sharedChristopher Bryan · Vancouver, British Columbia, Canada3 sharedDiana K. Drysdale · Tempe, AZ3 sharedAvy A. Stein · Chicago, IL3 sharedIon Yadigaroglu · PALO ALTO, CA3 sharedJames Tyler · Tempe, AZ3 sharedBenjamin K. Symmers, Jr · Tempe, AZ3 sharedJonathan Boyer · ARLINGTON, VA3 sharedRaj Attariwala · Vancouver, British Columbia, Canada3 sharedBen Robinson · Gurley, AL3 sharedCharles P. Smith · Tempe, AZ3 sharedDonovan Duncan · Gurley, AL3 sharedWilliam A. Rudnick · Chicago, IL3 sharedAngela J. Michael · Miami, FL3 sharedKhadija Bingham · Miami, FL3 sharedCharles Pimentel · Tempe, AZ3 sharedFrederick J. Elmy · Miami, FL3 sharedChristopher Boehm · Chicago, IL3 shared

Recent filings (12)

Algernon Health Inc.Dec 2025 · 20 co-filers$1.1MAlgernon Health Inc.Dec 2025 · 20 co-filers$582KC2N Diagnostics, LLCMay 2025 · 16 co-filers$10.0MC2N Diagnostics, LLCMay 2025 · 16 co-filers$10.0MC2N Diagnostics, LLCSep 2024 · 14 co-filers$25.0MC2N Diagnostics, LLCSep 2024 · 14 co-filers$25.0MErthos Inc.Sep 2024 · 35 co-filers$26.0MCresset Partners Private Equity Opportunities I, LLCJul 2024 · 7 co-filersC2N Diagnostics, LLCMay 2024 · 9 co-filers$15.0MC2N Diagnostics, LLCMay 2024 · 9 co-filers$15.0MAlgernon Pharmaceuticals Inc.Apr 2024 · 20 co-filers$13KErthos Inc.Sep 2023 · 35 co-filers$26.0MCresset Partners Private Equity Opportunities I, LLCAug 2023 · 7 co-filersCresset Partners Private Equity Opportunities I, LLCDec 2022 · 7 co-filersErthos Inc.Dec 2022 · 36 co-filers$5.0M

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