SIGMA ALDRICH CORP·4

May 21, 9:55 AM ET

Krosley Kevin 4

4 · SIGMA ALDRICH CORP · Filed May 21, 2009

Insider Transaction Report

Form 4
Period: 2009-05-20
Transactions
  • Sale

    Common Stock

    2009-05-20$46.67/sh100$4,667570 total
  • Exercise/Conversion

    Common Stock

    2009-05-20$25.32/sh+5,000$126,5755,270 total
  • Sale

    Common Stock

    2009-05-20$46.66/sh500$23,3301,770 total
  • Sale

    Common Stock

    2009-05-20$46.66/sh200$9,3321,470 total
  • Sale

    Common Stock

    2009-05-20$46.67/sh100$4,6671,070 total
  • Sale

    Common Stock

    2009-05-20$46.65/sh3,000$139,9502,270 total
  • Sale

    Common Stock

    2009-05-20$46.67/sh200$9,3341,270 total
  • Sale

    Common Stock

    2009-05-20$46.68/sh300$14,004270 total
  • Sale

    Common Stock

    2009-05-20$46.66/sh100$4,6661,670 total
  • Sale

    Common Stock

    2009-05-20$46.67/sh100$4,6671,170 total
  • Sale

    Common Stock

    2009-05-20$46.67/sh100$4,667970 total
  • Sale

    Common Stock

    2009-05-20$46.67/sh300$14,001670 total
  • Exercise/Conversion

    ISO Stock Option Right To Buy

    2009-05-205,0002,800 total
    Exercise: $25.32From: 2003-05-07Exp: 2012-05-07Common Stock (5,000 underlying)

Documents

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