Ledger.
Investor · Miami, FL

David B. Buchsbaum

Open David in the network graph →
Filings
10
SEC Form D
Connections
52
co-filers
Capital
$24.2M
across filings
Active
Jan 2021
to Jul 2025

Most-connected co-filers (52)

Frank B. Mattner · Miami, FL6 sharedN. Bloombergsen Master Cayman Gp Inc · Grand Cayman, Cayman Islands4 sharedRichard S. Herman · New York, NY4 sharedN. Bloombergsen Master Cayman Gp Inc · Grand Cayman, Cayman Islands4 sharedSean Mitchell · Vancouver, British Columbia, Canada4 sharedElizabeth J. Ziegler · Chicago, IL4 sharedHrach Simonian · Menlo Park, CA4 sharedN. Bloombergsen Inc · Toronto, Ontario, Canada4 sharedJonathan N. Bloomberg · Toronto, Ontario, Canada4 sharedN. Bloombergsen Master Cayman Gp Inc · Grand Cayman, Cayman Islands4 sharedLawrence S. Bloomberg · Toronto, Ontario, Canada4 sharedN. Bloombergsen Inc · Toronto, Ontario, Canada4 sharedSanjay N. Sen · Toronto, Ontario, Canada4 sharedJohn Tedesco · Saint Paul, MN4 sharedSarah S. Shin · Toronto, Ontario, Canada4 sharedFirst Quadrant LP · Pasadena, CA4 sharedDonald E. Ranta · Golden, CO4 sharedTravis J. Sherbine · Carolina Beach, NC3 sharedDaniel Abrams · New York, NY3 sharedAgustin B. Fernandez Santana Iii · Miami, FL3 sharedWalter B. Schmidt · Miami, FL3 sharedMark J. Holst-Knudsen · Carolina Beach, NC3 sharedNicholas D. Lewin · NATICK, MA3 sharedBrad Nichol · Vancouver, British Columbia, Canada3 shared

Recent filings (10)

ADvantage Therapeutics, Inc.Jul 2025 · 8 co-filers$25.4MBloombergSen U.S. Fund LPJan 2024 · 19 co-filersADvantage Therapeutics, Inc.Jul 2023 · 10 co-filers$25.4MBloombergSen U.S. Fund LPJan 2023 · 22 co-filersADvantage Therapeutics, Inc.Jun 2022 · 8 co-filers$7.5MStride Family Investments, L.P.Apr 2022 · 14 co-filersBloombergSen U.S. Fund LPJan 2022 · 19 co-filersStride Family Investments, L.P.Apr 2021 · 14 co-filersBloombergSen U.S. Fund LPJan 2021 · 19 co-filersStride Consumer Fund I Coinvest, L.P.Jan 2021 · 15 co-filers

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