Ledger.
Investor · West Henrietta, NY

Jeffrey L. Helfer

Open Jeffrey in the network graph →
Filings
4
SEC Form D
Connections
18
co-filers
Capital
across filings
Active
Dec 2010
to Sep 2013

Most-connected co-filers (18)

Lewis J. Rothberg · West Henrietta, NY4 sharedRichard J. Grissinger · New York, NY2 sharedJohn Foskett · BOULDER, CO2 sharedSteven M. Silver · New York, NY2 sharedLynne D. Steele · Sioux Falls, SD2 sharedMaryfrances Metrick · New York, NY2 sharedIrwin Federman · MENLO PARK, CA2 sharedSteve Chiang · San Francisco, CA2 sharedJames Chang · Sunnyvale, CA2 sharedMichael D. Riedlinger · West Henrietta, NY2 sharedRobert A. Evans · West Henrietta, NY2 sharedWilliam P. Manuel · New York, NY2 sharedJed A. Hart · New York, NY2 sharedJames Witham · Sunnyvale, CA1 sharedWilliam Wang · San Juan, Puerto Rico1 sharedDinesh Kalakkad · sunnyvale, CA1 sharedRobin J. Hodownes · West Henrietta, NY1 sharedSteven Goldberg · Fremont, CA1 shared

Recent filings (4)

Neoconix IncSep 2013 · 8 co-filers$4.2MDIFFINITY GENOMICS INCMar 2012 · 9 co-filers$1.2MDIFFINITY GENOMICS INCFeb 2011 · 10 co-filers$1.2MNeoconix IncDec 2010 · 7 co-filers$20.0M

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