CORRADO ADVISORS, LLC

Holdings History for SIGMA ALDRICH CORP - COM (SIAL)

Symbol: SIAL
Investment type: Equity / COM

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Sep 2013		-0.18%	$0	0	-3,820	-100%		Q3 2013
30 Jun 2013	0.18%	0%	$307,000	3,820	0		$80.37	Q2 2013
31 Mar 2013	0.2%	0%	$297,000	3,820	0		$77.75	Q1 2013
31 Dec 2012	0.19%	0%	$281,000	3,820	0		$73.56	Q4 2012
30 Sep 2012	0.18%	0%	$275,000	3,820	0		$71.99	Q3 2012
30 Jun 2012	0.19%	0%	$282,000	3,820	0		$73.82	Q2 2012
31 Mar 2012	0.17%	0%	$279,000	3,820	0		$73.04	Q1 2012
31 Dec 2011	0.17%	0%	$239,000	3,820	0		$62.57	Q4 2011
30 Sep 2011	0.17%	0%	$236,000	3,820	0		$61.78	Q3 2011
31 Mar 2011	0.13%	0%	$243,000	3,820	0		$63.61	Q1 2011
31 Dec 2010	0.15%	0%	$254,000	3,820	0		$66.49	Q4 2010
30 Sep 2010	0.16%	+0.16%	$231,000	3,820	+3,820	NEW	$60.47	Q3 2010
30 Jun 2010		-0.16%	$0	0	-4,000	-100%		Q2 2010
31 Mar 2010	0.16%	+0.16%	$215,000	4,000	+4,000	NEW	$53.75	Q1 2010

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.