Investor · Chicago, IL
Karl H. Heckenberg
Open Karl in the network graph →Filings
14
SEC Form D
Connections
1
co-filers
Capital
$2.4B
across filings
Active
Aug 2023
to Dec 2025
Most-connected co-filers (1)
Recent filings (14)
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Karl in the interactive graph →