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SIGMA ALDRICH CORP·4

Mar 1, 5:25 PM ET

HARVEY DAVID R 4

4 · SIGMA ALDRICH CORP · Filed Mar 1, 2012

Insider Transaction Report

Form 4

Period: 2012-02-23

SIGMA ALDRICH CORPSIAL

Director

Transactions

Exercise/Conversion
Common Stock
2012-02-28$28.98/sh+10,000$289,800→ 39,880 total
Gift
Common Stock
2012-02-23−2,010→ 29,880 total
Sale
Common Stock
2012-02-28$72.71/sh−10,000$727,117→ 29,880 total
Exercise/Conversion
NQ Stock Option Right To Buy
2012-02-28−10,000→ 10,000 total
Exercise: $28.98From: 2005-02-10Exp: 2014-02-10→ Common Stock (10,000 underlying)

Documents

1 file

4
form.xmlPrimary
PRIMARY DOCUMENT