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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in AMCOL INTERNATIONAL CORP. Get notifications about new insider transactions in AMCOL INTERNATIONAL CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Option Exercise	A	30.66	15,000	459,900	15,000
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Grant	A	0.00	10,000	0	10,000	0 to 10 K
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Option Exercise	A	30.66	10,000	306,600	10,000
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Grant	A	0.00	10,000	0	10,000	0 to 10 K
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Option Exercise	A	30.66	10,000	306,600	10,000
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Option Exercise	M	20.90	7,000	146,300	0
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Grant	A	0.00	10,000	0	10,000	0 to 10 K
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Buy	P	20.90	7,000	146,300	4,054	-2,946 to 4.1 K (-237.61 %)
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	WEAVER AUDREY L	Director	Option Exercise	M	20.90	3,000	62,700	0
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	WEAVER AUDREY L	Director	Sell	S	30.40	3,000	91,202	769,773	772.8 K to 769.8 K (-0.39 %)
Feb 10 2011	ACO	AMCOL INTERNATIONA ...	WEAVER AUDREY L	Director	Buy	M	20.90	3,000	62,700	0	-3,000 to 0 (-100.00 %)
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Option Exercise	M	20.90	7,000	146,300	0
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Sell	S	30.19	7,000	211,305	224	7.2 K to 224 (-96.90 %)
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Buy	M	20.90	7,000	146,300	0	-7,000 to 0 (-100.00 %)
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Option Exercise	M	20.90	3,000	62,700	0
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	30.12	3,000	90,361	38,608	41.6 K to 38.6 K (-7.21 %)
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Buy	M	20.90	3,000	62,700	0	-3,000 to 0 (-100.00 %)
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	CASEY DANIEL P	Director	Option Exercise	M	20.90	3,000	62,700	0
Feb 08 2011	ACO	AMCOL INTERNATIONA ...	CASEY DANIEL P	Director	Buy	M	20.90	3,000	62,700	25,000	22 K to 25 K (+13.64 %)
Feb 04 2011	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	29.92	11,903	356,138	241,742	253.6 K to 241.7 K (-4.69 %)
Feb 03 2011	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Option Exercise	M	20.90	3,000	62,700	0
Feb 03 2011	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Buy	M	20.90	3,000	62,700	296,185	293.2 K to 296.2 K (+1.02 %)
Feb 03 2011	ACO	AMCOL INTERNATIONA ...	STAHL DALE E	Director	Option Exercise	M	20.90	3,000	62,700	0
Feb 03 2011	ACO	AMCOL INTERNATIONA ...	STAHL DALE E	Director	Sell	S	30.15	3,000	90,450	38,295	41.3 K to 38.3 K (-7.26 %)
Feb 03 2011	ACO	AMCOL INTERNATIONA ...	STAHL DALE E	Director	Buy	M	20.90	3,000	62,700	0	-3,000 to 0 (-100.00 %)
Feb 03 2011	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	29.90	3,500	104,654	313,890	317.4 K to 313.9 K (-1.10 %)
Jan 21 2011	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Gift	G	0.00	3,000	0	38,608	41.6 K to 38.6 K (-7.21 %)
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	M	20.90	30,000	627,000	0
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	29.15	24,136	703,516	253,645	277.8 K to 253.6 K (-8.69 %)
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Buy	M	20.90	30,000	627,000	0	-30,000 to 0 (-100.00 %)
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	MCKENDRICK RYAN F	Vice President	Option Exercise	M	20.90	6,666	139,319	0
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	MCKENDRICK RYAN F	Vice President	Sell	S	29.28	5,412	158,473	16,652	22.1 K to 16.7 K (-24.53 %)
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	MCKENDRICK RYAN F	Vice President	Buy	M	20.90	6,666	139,319	0	-6,666 to 0 (-100.00 %)
Dec 07 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	29.50	5,000	147,500	41,608	46.6 K to 41.6 K (-10.73 %)
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Option Exercise	M	20.90	3,000	62,700	0
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	29.10	3,000	87,298	317,390	320.4 K to 317.4 K (-0.94 %)
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Buy	M	20.90	3,000	62,700	0	-3,000 to 0 (-100.00 %)
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	15.11	1,333	20,142	2,667
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	24.25	2,666	64,651	1,334
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	20.90	3,000	62,700	0
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	6.65	2,000	13,300	0
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	5.00	2,000	10,000	0
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Sell	S	29.06	10,999	319,602	21,461	32.5 K to 21.5 K (-33.88 %)
Dec 06 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Buy	M	15.53	10,999	170,792	0	-10,999 to 0 (-100.00 %)
Dec 03 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Option Exercise	M	20.90	3,000	62,700	0
Dec 03 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Sell	S	28.77	3,000	86,315	12,796	15.8 K to 12.8 K (-18.99 %)
Dec 03 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Buy	M	20.90	3,000	62,700	0	-3,000 to 0 (-100.00 %)
Nov 15 2010	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Sell	S	29.74	4,000	118,960	293,185	297.2 K to 293.2 K (-1.35 %)
Nov 12 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	29.07	10,000	290,700	247,781	257.8 K to 247.8 K (-3.88 %)
Nov 04 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	28.14	24,211	681,317	0	24.2 K to 0 (-100.00 %)
Nov 02 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	M	5.00	7,294	36,470	0
Nov 02 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Buy	M	5.00	7,294	36,470	257,781	250.5 K to 257.8 K (+2.91 %)
Oct 28 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	28.85	3,000	86,544	317,390	320.4 K to 317.4 K (-0.94 %)
Oct 28 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	28.69	20,000	573,870	24,211	44.2 K to 24.2 K (-45.24 %)
Sep 07 2010	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Sell	I	26.50	10,000	265,000	42,357	52.4 K to 42.4 K (-19.10 %)
Aug 24 2010	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Buy	P	25.13	915	22,991	3,754	2.8 K to 3.8 K (+32.23 %)
Aug 24 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Option Exercise	M	5.00	5,000	25,000	0
Aug 24 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Buy	M	5.00	5,000	25,000	35,632	30.6 K to 35.6 K (+16.32 %)
Aug 05 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	30.00	5,000	150,000	46,608	51.6 K to 46.6 K (-9.69 %)
Aug 05 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	30.00	5,000	150,000	46,608	51.6 K to 46.6 K (-9.69 %)
Jul 29 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	29.85	20,460	610,731	250,487	270.9 K to 250.5 K (-7.55 %)
Jul 29 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Gift	G	0.00	1,000	0	21,461	22.5 K to 21.5 K (-4.45 %)
Jul 29 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Gift	G	0.00	12,000	0	0	12 K to 0 (-100.00 %)
Jul 29 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	29.83	3,000	89,504	320,390	323.4 K to 320.4 K (-0.93 %)
Jul 15 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	3.88	2,000	7,750	0
Jul 15 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Buy	M	3.88	2,000	7,750	34,461	32.5 K to 34.5 K (+6.16 %)
Jul 01 2010	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Option Exercise	M	3.88	2,000	7,750	0
Jul 01 2010	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Buy	M	3.88	2,000	7,750	297,185	295.2 K to 297.2 K (+0.68 %)
May 14 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Option Exercise	M	20.90	5,000	104,500	0
May 14 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Sell	S	30.25	5,000	151,250	30,632	35.6 K to 30.6 K (-14.03 %)
May 14 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Buy	M	20.90	5,000	104,500	0	-5,000 to 0 (-100.00 %)
May 14 2010	ACO	AMCOL INTERNATIONA ...	WEAVER AUDREY L	Director	Sell	S	30.00	5,000	150,000	769,773	774.8 K to 769.8 K (-0.65 %)
May 13 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	30.00	3,000	90,000	51,608	54.6 K to 51.6 K (-5.49 %)
May 06 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	29.15	15,000	437,250	270,947	285.9 K to 270.9 K (-5.25 %)
May 04 2010	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Sell	I	28.98	10,000	289,808	51,743	61.7 K to 51.7 K (-16.20 %)
May 03 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	M	6.65	22,548	149,944	7,452
May 03 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Buy	M	6.65	22,548	149,944	285,947	263.4 K to 285.9 K (+8.56 %)
Apr 29 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	29.49	3,500	103,230	323,390	326.9 K to 323.4 K (-1.07 %)
Apr 29 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	30.00	7,500	225,000	50,630	58.1 K to 50.6 K (-12.90 %)
Mar 05 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Sell	S	27.00	5,000	135,000	30,632	35.6 K to 30.6 K (-14.03 %)
Mar 05 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Buy	M	20.90	5,000	104,500	0	-5,000 to 0 (-100.00 %)
Mar 05 2010	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Buy	P	25.74	2,000	51,480	2,012	12 to 2 K (+16,666.67 %)
Feb 12 2010	ACO	AMCOL INTERNATIONA ...	MCKENDRICK RYAN F	Vice President	Buy	P	24.61	4,500	110,745	15,398	10.9 K to 15.4 K (+41.29 %)
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	CASEY DANIEL P	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	STAHL DALE E	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	WEAVER AUDREY L	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Option Exercise	A	23.24	4,000	92,960	4,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	A	23.24	50,000	1,162,000	50,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Option Exercise	A	23.24	25,000	581,000	25,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	MCKENDRICK RYAN F	Vice President	Option Exercise	A	23.24	30,000	697,200	30,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	Pearson Donald W	Vice President	Option Exercise	A	23.24	25,000	581,000	25,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Option Exercise	A	23.24	15,000	348,600	15,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	Trauger Robert J.	Vice President	Option Exercise	A	23.24	15,000	348,600	15,000
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Option Exercise	M	18.10	3,000	54,300	0
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Sell	S	25.09	3,000	75,270	32,461	35.5 K to 32.5 K (-8.46 %)
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	BROWN ARTHUR	Director	Buy	M	18.10	3,000	54,300	0	-3,000 to 0 (-100.00 %)
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	CASEY DANIEL P	Director	Option Exercise	M	18.10	3,000	54,300	0
Feb 09 2010	ACO	AMCOL INTERNATIONA ...	CASEY DANIEL P	Director	Buy	M	18.10	3,000	54,300	22,000	19 K to 22 K (+15.79 %)
Feb 05 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Option Exercise	M	18.10	3,000	54,300	0
Feb 05 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Sell	S	24.89	3,000	74,670	58,130	61.1 K to 58.1 K (-4.91 %)
Feb 05 2010	ACO	AMCOL INTERNATIONA ...	PROOPS JAY D	Director	Buy	M	18.10	3,000	54,300	0	-3,000 to 0 (-100.00 %)
Feb 02 2010	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Option Exercise	M	18.10	3,000	54,300	0
Feb 02 2010	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Buy	M	18.10	3,000	54,300	295,185	292.2 K to 295.2 K (+1.03 %)
Feb 02 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Option Exercise	M	18.10	3,000	54,300	0
Feb 02 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Sell	S	25.55	3,000	76,646	12,796	15.8 K to 12.8 K (-18.99 %)
Feb 02 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Buy	M	18.10	3,000	54,300	0	-3,000 to 0 (-100.00 %)
Feb 02 2010	ACO	AMCOL INTERNATIONA ...	Johnson Michael R.	Vice President	Buy	I	24.88	1,400	34,832	2,523	1.1 K to 2.5 K (+124.67 %)
Jan 28 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Option Exercise	M	18.10	3,000	54,300	0
Jan 28 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	26.96	3,000	80,890	0	3 K to 0 (-100.00 %)
Jan 28 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Buy	M	18.10	3,000	54,300	0	-3,000 to 0 (-100.00 %)
Jan 28 2010	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	27.11	2,500	67,783	326,890	329.4 K to 326.9 K (-0.76 %)
Jan 22 2010	ACO	AMCOL INTERNATIONA ...	STAHL DALE E	Director	Option Exercise	M	18.10	3,000	54,300	0
Jan 22 2010	ACO	AMCOL INTERNATIONA ...	STAHL DALE E	Director	Buy	M	18.10	3,000	54,300	38,295	35.3 K to 38.3 K (+8.50 %)
Jan 11 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Gift	G	0.00	700	0	12,796	13.5 K to 12.8 K (-5.19 %)
Jan 11 2010	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Gift	G	0.00	800	0	0	800 to 0 (-100.00 %)
Jan 05 2010	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Grant	A	0.00	20,000	0	20,000	0 to 20 K
Jan 05 2010	ACO	AMCOL INTERNATIONA ...	MCKENDRICK RYAN F	Vice President	Grant	A	0.00	20,000	0	20,000	0 to 20 K
Dec 07 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	M	18.10	30,000	543,000	0
Dec 07 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	M	5.00	21,406	107,030	7,294
Dec 07 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	28.31	22,900	648,349	263,399	286.3 K to 263.4 K (-8.00 %)
Dec 07 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Buy	M	18.10	30,000	543,000	0	-30,000 to 0 (-100.00 %)
Dec 07 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Buy	M	5.00	21,406	107,030	0	-21,406 to 0 (-100.00 %)
Dec 04 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Option Exercise	M	18.10	1,000	18,100	0
Dec 04 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Sell	S	28.00	1,000	28,000	0	1,000 to 0 (-100.00 %)
Dec 04 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Buy	M	18.10	1,000	18,100	0	-1,000 to 0 (-100.00 %)
Dec 04 2009	ACO	AMCOL INTERNATIONA ...	WEAVER PAUL C	Director	Sell	S	28.23	8,000	225,840	292,185	300.2 K to 292.2 K (-2.67 %)
Nov 25 2009	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Option Exercise	M	6.65	2,000	13,300	0
Nov 25 2009	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Buy	M	6.65	2,000	13,300	0	-2,000 to 0 (-100.00 %)
Nov 25 2009	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	28.89	2,000	57,780	329,390	331.4 K to 329.4 K (-0.60 %)
Nov 12 2009	ACO	AMCOL INTERNATIONA ...	MORRISON GARY D	Vice President	Option Exercise	M	18.10	12,000	217,200	0
Nov 12 2009	ACO	AMCOL INTERNATIONA ...	MORRISON GARY D	Vice President	Option Exercise	M	3.88	12,000	46,500	0
Nov 12 2009	ACO	AMCOL INTERNATIONA ...	MORRISON GARY D	Vice President	Sell	S	28.32	24,000	679,603	40,782	64.8 K to 40.8 K (-37.05 %)
Nov 12 2009	ACO	AMCOL INTERNATIONA ...	MORRISON GARY D	Vice President	Buy	M	10.99	24,000	263,700	0	-24,000 to 0 (-100.00 %)
Nov 10 2009	ACO	AMCOL INTERNATIONA ...	LOVE LLOYD F	Vice President	Sell	S	29.11	6,611	192,449	10,810	17.4 K to 10.8 K (-37.95 %)
Oct 29 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Sell	S	28.56	25,000	714,000	234,893	259.9 K to 234.9 K (-9.62 %)
Oct 29 2009	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	28.48	4,000	113,904	329,390	333.4 K to 329.4 K (-1.20 %)
Aug 25 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Option Exercise	M	18.10	8,000	144,800	1,000
Aug 25 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Buy	M	18.10	8,000	144,800	24,541	16.5 K to 24.5 K (+48.36 %)
Aug 25 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Sell	S	22.43	8,000	179,430	0	8 K to 0 (-100.00 %)
Aug 20 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Option Exercise	M	3.88	4,300	16,663	0
Aug 20 2009	ACO	AMCOL INTERNATIONA ...	WASHOW LAWRENCE E	Director	Buy	M	3.88	4,300	16,663	259,893	255.6 K to 259.9 K (+1.68 %)
Aug 17 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Buy	M	6.65	9,000	59,850	24,541	15.5 K to 24.5 K (+57.91 %)
Aug 17 2009	ACO	AMCOL INTERNATIONA ...	CASTAGNA GARY L	Vice President	Sell	S	20.58	2,909	59,867	0	2.9 K to 0 (-100.00 %)
Jul 29 2009	ACO	AMCOL INTERNATIONA ...	HUGHES JOHN	Director	Sell	S	18.76	3,000	56,273	333,390	336.4 K to 333.4 K (-0.89 %)
Jul 29 2009	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Option Exercise	M	5.00	2,000	10,000	0
Jul 29 2009	ACO	AMCOL INTERNATIONA ...	REDMAN CLARENCE O	Director	Option Exercise	M	3.88	2,000	7,750	0

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