Investor · Healdsburg, CA

Mike J. Walther

Open Mike in the network graph →

Filings

2

SEC Form D

Connections

10

co-filers

Capital

$13.3M

across filings

Active

Feb 2021

to Nov 2025

Most-connected co-filers (10)

Jack Oswald · Healdsburg, CA2 shared Alyn Oswald · Healdsburg, CA2 shared Fadi J. Karam · Healdsburg, CA2 shared James Farrell · Van Nuys, CA2 shared Mark J. Nawacki · Ville Saint-Laurent, Quebec, Canada1 shared Horst G. Zerbe · Ville Saint-Laurent, Quebec, Canada1 shared Clemens J. Mayr · Ville Saint-Laurent, Quebec, Canada1 shared Bartho Van Otterdyk · SAN LUIS OBISPO, CA1 shared James Kim · San Francisco, CA1 shared Scott Waddell · SAN LUIS OBISPO, CA1 shared

Recent filings (2)

ISOThrive Inc.Nov 2025 · 9 co-filers$9.8M ISOThrive Inc.Nov 2025 · 9 co-filers$9.8M ISOThrive Inc.Feb 2021 · 12 co-filers$6.0M ISOThrive Inc.Feb 2021 · 12 co-filers$6.0M

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