LARRY M HUMMEL Insider Trading $SIAL SIGMA ALDRICH CORP

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of LARRY M HUMMEL. LARRY M HUMMEL is in SIGMA ALDRICH CORP ($SIAL).

LARRY M HUMMEL in SIGMA ALDRICH CORP

Trading Symbol: SIAL
Industry: WHOLESALE-CHEMICALS & ALLIED PRODUCTS [5160]
Position of LARRY M HUMMEL:
Holdings: 9,540 shares
Latest Transaction: May 04 2011

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD

Latest Insider Trading Transactions of LARRY M HUMMEL in SIGMA ALDRICH CORP

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

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Date	Ticker	Company	Owner	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
May 04 2011	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	M	28.66	15,000	429,900	0
May 04 2011	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	70.59	15,000	1,058,841	9,540	24.5 K to 9.5 K (-61.12 %)
May 04 2011	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Buy	M	28.66	15,000	429,900	24,540	9.5 K to 24.5 K (+157.23 %)
Feb 16 2011	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	A	62.49	5,400	337,446	5,400
Feb 16 2011	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	A	62.49	1,600	99,984	1,600
Oct 29 2010	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	M	25.86	15,000	387,900	0
Oct 29 2010	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	61.13	15,000	916,950	8,940	23.9 K to 8.9 K (-62.66 %)
Oct 29 2010	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Buy	M	25.86	15,000	387,900	23,940	8.9 K to 23.9 K (+167.79 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	M	25.32	22,200	561,993	0
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	M	25.32	7,800	197,457	0
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.21	26	1,435	8,340	8.4 K to 8.3 K (-0.31 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.20	100	5,520	8,366	8.5 K to 8.4 K (-1.18 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.19	100	5,519	8,466	8.6 K to 8.5 K (-1.17 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.19	563	31,072	8,566	9.1 K to 8.6 K (-6.17 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.18	100	5,518	9,129	9.2 K to 9.1 K (-1.08 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.18	200	11,036	9,229	9.4 K to 9.2 K (-2.12 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.18	400	22,072	9,429	9.8 K to 9.4 K (-4.07 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.17	800	44,137	9,829	10.6 K to 9.8 K (-7.53 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.17	1,369	75,528	10,629	12 K to 10.6 K (-11.41 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.16	100	5,516	11,998	12.1 K to 12 K (-0.83 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.14	5,442	300,076	12,098	17.5 K to 12.1 K (-31.03 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.11	5,400	297,614	17,540	22.9 K to 17.5 K (-23.54 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.11	100	5,511	22,940	23 K to 22.9 K (-0.43 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.11	7,800	429,858	23,040	30.8 K to 23 K (-25.29 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.10	100	5,510	30,840	30.9 K to 30.8 K (-0.32 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.09	100	5,509	30,940	31 K to 30.9 K (-0.32 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.08	200	11,016	31,040	31.2 K to 31 K (-0.64 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.07	1,400	77,099	31,240	32.6 K to 31.2 K (-4.29 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.07	2,200	121,154	32,640	34.8 K to 32.6 K (-6.31 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.06	800	44,049	34,840	35.6 K to 34.8 K (-2.24 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.06	100	5,506	35,640	35.7 K to 35.6 K (-0.28 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	55.06	1,200	66,072	35,740	36.9 K to 35.7 K (-3.25 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Buy	M	25.32	22,200	561,993	36,940	14.7 K to 36.9 K (+150.61 %)
Nov 12 2009	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Buy	M	25.32	7,800	197,457	14,740	6.9 K to 14.7 K (+112.39 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.90	500	30,450	6,400	6.9 K to 6.4 K (-7.25 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.91	314	19,126	6,900	7.2 K to 6.9 K (-4.35 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.92	500	30,460	7,214	7.7 K to 7.2 K (-6.48 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.92	1,400	85,289	7,714	9.1 K to 7.7 K (-15.36 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.93	500	30,465	9,114	9.6 K to 9.1 K (-5.20 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.94	300	18,282	9,614	9.9 K to 9.6 K (-3.03 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.95	100	6,095	9,914	10 K to 9.9 K (-1.00 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.96	700	42,672	10,014	10.7 K to 10 K (-6.53 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.97	700	42,679	10,714	11.4 K to 10.7 K (-6.13 %)
Jul 31 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Sell	S	60.98	500	30,490	11,414	11.9 K to 11.4 K (-4.20 %)
Feb 19 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	A	52.76	4,050	213,678	4,050
Feb 19 2008	SIAL	SIGMA ALDRICH CORP	HUMMEL LARRY M	Option Exercise	A	52.76	1,850	97,606	1,850

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