Investor · Pittsburgh, PA

John Greffenstette

Open John in the network graph →

Filings

1

SEC Form D

Connections

9

co-filers

Capital

$5.1M

across filings

Active

Feb 2022

to Feb 2022

Most-connected co-filers (9)

David C. Dieffenbacher · Chicago, IL1 shared Stephen Remondi · Somerville, MA1 shared John Cordier · Pittsburgh, PA1 shared Donald Burke · Pittsburgh, PA1 shared Robert Delach · Pittsburgh, PA1 shared Adam Lipman · Pittsburgh, PA1 shared Jeffery Sarrett · Denver, CO1 shared Otavio C. Costa · Denver, CO1 shared Gavin J. Cross · Chicago, IL1 shared

Recent filings (1)

Epistemix, Inc.Feb 2022 · 13 co-filers$7.5M Epistemix, Inc.Feb 2022 · 13 co-filers$7.5M

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