Ledger.
Investor · Boston, MA

Walter R. Cooper

Open Walter in the network graph →
Filings
1
SEC Form D
Connections
2
co-filers
Capital
$3.8M
across filings
Active
Jul 2025
to Jul 2025

Most-connected co-filers (2)

Lynne Chou O'Keefe · El Segundo, CA1 sharedAdam R. Reich · Boston, MA1 shared

Recent filings (1)

Miga, Inc.Jul 2025 · 5 co-filers$4.0MMiga, Inc.Jul 2025 · 5 co-filers$4.0M

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