Koppers Holdings Inc.·4

May 10, 5:51 PM ET

Baldwin Cynthia A 4

4 · Koppers Holdings Inc. · Filed May 10, 2010

Insider Transaction Report

Form 4
Period: 2010-05-05
Transactions
  • Award

    Common Stock

    2010-05-05+3,0009,500 total

Documents

1 file
  • 4
    rrd274976.xmlPrimary

    FORM 4 - CYNTHIA A. BALDWIN