Investor · Cambridge, MA

David Silbersweig

Open David in the network graph →

Filings

2

SEC Form D

Connections

3

co-filers

Capital

$1.8M

across filings

Active

Nov 2021

to Dec 2025

Most-connected co-filers (3)

Emily Stern · Cambridge, MA2 shared Richard Lipkin · Providence, RI1 shared Hong Pan · Cambridge, MA1 shared

Recent filings (2)

Ceretype Neuromedicine, Inc.Dec 2025 · 5 co-filers$400K Ceretype Neuromedicine, Inc.Dec 2025 · 5 co-filers$400K Ceretype Neuromedicine, Inc.Nov 2021 · 5 co-filers$2.5M Ceretype Neuromedicine, Inc.Nov 2021 · 5 co-filers$2.5M

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