HUMMEL LARRY M

VP, St. Louis Operations at SIGMA ALDRICH CORP · on record since Feb 19, 2009
President, Sigma Chemical at SIGMA ALDRICH CORP · on record since Jul 29, 2003

Insider trading activity of HUMMEL LARRY M

Transactions on record: 82; since Jul 29, 2003

Open-market buys: 0

Open-market sells: 35; $3.3M

Companies traded: 1; last filing May 4, 2011

Figures computed from official regulatory filings — .

Companies where HUMMEL LARRY M has traded

SIGMA ALDRICH CORP82 tx · $16.6M · May 4, 2011

Track record of HUMMEL LARRY M

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of HUMMEL LARRY M

Co-insiders of HUMMEL LARRY M

Bastian HelgeSIGMA ALDRICH CORP
Bergman Rebecca MSIGMA ALDRICH CORP
Bertsch JanSIGMA ALDRICH CORP
BLAZEVICH LARRYSIGMA ALDRICH CORP
BORG MAGNUSSIGMA ALDRICH CORP
Bouche Robert ASIGMA ALDRICH CORP
CHURCH GEORGESIGMA ALDRICH CORP
COTTIER GILLESSIGMA ALDRICH CORP
FEDOROFF NINASIGMA ALDRICH CORP
Feldker David PSIGMA ALDRICH CORP
FISH PATRICIA KSIGMA ALDRICH CORP
GLOVER SCOTTSIGMA ALDRICH CORP
Green Eric MarkSIGMA ALDRICH CORP
HARRIS MICHAELSIGMA ALDRICH CORP
HARVEY DAVID RSIGMA ALDRICH CORP
HOGAN MICHAEL RSIGMA ALDRICH CORP
JULIEN DAVIDSIGMA ALDRICH CORP
KANAN MICHAEL FSIGMA ALDRICH CORP
Keffer Richard ASIGMA ALDRICH CORP
KELLEY RODNEYSIGMA ALDRICH CORP
Krosley KevinSIGMA ALDRICH CORP
Leese Albert BarrySIGMA ALDRICH CORP
Marberry MichaelSIGMA ALDRICH CORP
MCCOLLUM LEESIGMA ALDRICH CORP
METEER JAMES WSIGMA ALDRICH CORP
MILLER GEORGE LLOYDSIGMA ALDRICH CORP
MILLER KAREN JSIGMA ALDRICH CORP
NAGARKATTI JAISIGMA ALDRICH CORP
Nash Avi MSIGMA ALDRICH CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SIGMA ALDRICH CORPListing unverified	May 4, 2011	ExerciseD (derivative)	-15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SIGMA ALDRICH CORPListing unverified	May 4, 2011	Exercise	15,000	28.66 USD	$429.9K		SEC
SIGMA ALDRICH CORPListing unverified	May 4, 2011	Sell	-15,000	70.59 USD	$1.1M	Unusual size	SEC
SIGMA ALDRICH CORPListing unverified	Feb 22, 2011	Award	600	62.49 USD	$37.5K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 22, 2011	Award	1,200	62.49 USD	$75K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 16, 2011	AwardD (derivative)	1,600	62.49 USD	$100K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 16, 2011	AwardD (derivative)	5,400	62.49 USD	$337.4K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 18, 2010	AwardD (derivative)	5,406	48.61	$262.8K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 18, 2010	Award	600	48.61	$29.2K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 18, 2010	AwardD (derivative)	2,594	48.61	$126.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-400	55.18	$22.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-2,200	55.07	$121.2K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-1,400	55.07	$77.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-200	55.08	$11K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-26	55.21	$1.4K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-5,400	55.11	$297.6K	Unusual size	SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.11	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.06	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.10	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.16	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-7,800	55.11	$429.9K	Unusual size	SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-563	55.19	$31.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-1,200	55.06	$66.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.20	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.09	$5.5K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
SIGMA ALDRICH CORPListing unverified	May 4, 2011	ExerciseD (derivative)	-15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SIGMA ALDRICH CORPListing unverified	May 4, 2011	Exercise	15,000	28.66 USD	$429.9K		SEC
SIGMA ALDRICH CORPListing unverified	May 4, 2011	Sell	-15,000	70.59 USD	$1.1M	Unusual size	SEC
SIGMA ALDRICH CORPListing unverified	Feb 22, 2011	Award	600	62.49 USD	$37.5K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 22, 2011	Award	1,200	62.49 USD	$75K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 16, 2011	AwardD (derivative)	1,600	62.49 USD	$100K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 16, 2011	AwardD (derivative)	5,400	62.49 USD	$337.4K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 18, 2010	AwardD (derivative)	5,406	48.61	$262.8K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 18, 2010	Award	600	48.61	$29.2K		SEC
SIGMA ALDRICH CORPListing unverified	Feb 18, 2010	AwardD (derivative)	2,594	48.61	$126.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-400	55.18	$22.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-2,200	55.07	$121.2K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-1,400	55.07	$77.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-200	55.08	$11K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-26	55.21	$1.4K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-5,400	55.11	$297.6K	Unusual size	SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.11	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.06	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.10	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.16	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-7,800	55.11	$429.9K	Unusual size	SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-563	55.19	$31.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-1,200	55.06	$66.1K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.20	$5.5K		SEC
SIGMA ALDRICH CORPListing unverified	Nov 12, 2009	Sell	-100	55.09	$5.5K		SEC