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Home > Insider Trading > Filing (0000090185-10-000041)

Filing Details

Accession Number:: 0000090185-10-000041
Form Type:: 4/A
Zero Holdings:: No
Publication Time:: 2010-03-25 13:00:00
Reporting Period:: 2009-12-01

Filing Date:: 2010-03-25
Accepted Time:: 2010-03-25 15:07:12
Original Submission Date:: 2009-12-04
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
90185	Sigma Aldrich Corp	SIAL	Wholesale-Chemicals & Allied Products (5160)	431050617

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1201187	Frank Wicks	3050 Spruce Street St Louis MO 63103	President, Research Specialiti	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock, $1 Par Value	Acquisiton	2009-12-01	3,800	$25.86	26,300	No	4	M	Direct
Common Stock, $1 Par Value	Disposition	2009-12-01	1,828	$53.75	24,472	Yes	4	F	Direct
Common Stock, $1 Par Value	Disposition	2009-12-01	100	$54.01	24,372	No	4	S	Direct
Common Stock, $1 Par Value	Disposition	2009-12-01	3,700	$54.01	20,672	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
Yes	4	F	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock, $1 Par Value	ISO Stock Option, Right to Buy	Disposition	2009-12-01	3,800	$0.00	3,800	$25.86

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2004-05-06	2013-05-06	No	4	M	Direct

Footnotes

Share balance is of as of transaction date 12/02/2009. Share balance as of 03/25/2010 is 22,322.