Investor · Somerville, MA

Johanna P. Hartzheim

Open Johanna in the network graph →

Filings

2

SEC Form D

Connections

3

co-filers

Capital

$10.0M

across filings

Active

Aug 2025

to Aug 2025

Most-connected co-filers (3)

Ismail Salhi · Boston, MA2 shared Axel Bichara · LOS ANGELES, CA1 shared Pierre Gerlach · Boston, MA1 shared

Recent filings (2)

GoodGrain Inc.Aug 2025 · 5 co-filers$10.0M GoodGrain Inc.Aug 2025 · 5 co-filers$10.0M Qleek Inc.Mar 2016 · 5 co-filers$600K Qleek Inc.Mar 2016 · 5 co-filers$600K

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