Investor · CAMBRIDGE, MA

David Pumberger

Open David in the network graph →

Filings

2

SEC Form D

Connections

5

co-filers

Capital

$8.0M

across filings

Active

Jul 2017

to Aug 2025

Most-connected co-filers (5)

Alec Rauschenbusch · Corte Madera, CA2 shared Florian Wegener · CAMBRIDGE, MA2 shared Josef H. Von Rickenbach · WINSTON-SALEM, NC1 shared Larry Bohn · Cambridge, MA1 shared Kilian Veer · Boston, MA1 shared

Recent filings (2)

Zageno Inc.Aug 2025 · 9 co-filers$12.0M Zageno Inc.Aug 2025 · 9 co-filers$12.0M Zageno, Inc.Jul 2017 · 5 co-filers$8.2M Zageno, Inc.Jul 2017 · 5 co-filers$8.2M

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