Ledger.
Investor · Reisterstown, MD

John W. Sittmann

Open John in the network graph →
Filings
1
SEC Form D
Connections
7
co-filers
Capital
$550K
across filings
Active
Jul 2025
to Jul 2025

Most-connected co-filers (7)

Thomas Curtis · MCLEAN, VA1 sharedColin J. Handzo · Towson, MD1 sharedKimberly A. Sittmann · Reisterstown, MD1 sharedBert J. Zaccaria · San Jose, CA1 sharedMichael Kim · San Francisco, CA1 sharedLarry Schwerin · San Jose, CA1 sharedGeorge Berberis · San Jose, CA1 shared

Recent filings (1)

Deep Root Biolabs, Inc.Jul 2025 · 11 co-filers$750KDeep Root Biolabs, Inc.Jul 2025 · 11 co-filers$750K

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