Ledger.
Investor · Niles, IL

Steffen A. Protsch

Open Steffen in the network graph →
Filings
1
SEC Form D
Connections
3
co-filers
Capital
$25.0M
across filings
Active
Jul 2022
to Jul 2022

Most-connected co-filers (3)

Kimberly Querrey · Cambridge, MA1 sharedJohn A. Rogers · Evanston, IL1 sharedShuai Xu · Evanston, IL1 shared

Recent filings (1)

Sibel Health Inc.Jul 2022 · 7 co-filers$25.0MSibel Health Inc.Jul 2022 · 7 co-filers$25.0M

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