SIGMA ALDRICH CORP·4

Feb 22, 3:28 PM ET

PORWOLL JOE 4

4 · SIGMA ALDRICH CORP · Filed Feb 22, 2011

Insider Transaction Report

Form 4
Period: 2011-02-18
PORWOLL JOE
VP, Milwaukee Operations
Transactions
  • Award

    Common Stock, $1 Par Value

    2011-02-18$62.49/sh+1,200$74,98811,440 total

Documents

2 files
  • 4
    primary_doc.xmlPrimary

    PRIMARY DOCUMENT

  • EX-24

    POWER OF ATTORNEY