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SIGMA ALDRICH CORP·4

Sep 2, 3:15 PM ET

RICHTER KIRK A 4

4 · SIGMA ALDRICH CORP · Filed Sep 2, 2010

Insider Transaction Report

Form 4
Period: 2010-08-31
SIGMA ALDRICH CORPSIAL
RICHTER KIRK A
Treasurer
Transactions
  • Exercise/Conversion

    Common Stock

    2010-08-31$18.25/sh+24,000$438,000→ 103,782 total
  • Gift

    Common Stock

    2010-08-31$52.91/sh−1,900$100,539→ 77,882 total
  • Exercise/Conversion

    ISO Stock Option Right To Buy

    2010-08-31−24,000→ 0 total
    Exercise: $18.25From: 2001-11-13Exp: 2010-11-13→ Common Stock (24,000 underlying)
  • Sale

    Common Stock

    2010-08-31$53.00/sh−24,000$1,272,000→ 79,782 total

Documents

2 files