Insider Trading activities of Amcol International Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amcol International Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Amcol International Corp since year 2005. Table 2 shows the detailed insider transactions of Amcol International Corp since 2005. The reporting company's ticker symbol is ACO. The reporting company's CIK number is 813621.
The total value of stock buying since 2005 is $603,096.
The total value of stock sales since 2005 is $53,724,073.
The total value of stock option exercises since 2005 is $11,392,370.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Amcol International Corp (ACO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2013-08 0 $0 91,500 $3,090,132 4,000 $97,000
2013-07 0 $0 34,500 $1,199,132 12,000 $291,000
2013-06 0 $0 10,000 $313,390 10,000 $242,500
2013-05 0 $0 7,500 $240,000 7,500 $181,875
2013-04 0 $0 5,000 $151,625 0 $0
2013-02 0 $0 38,263 $1,164,293 22,000 $658,900
2012-12 0 $0 11,000 $329,072 0 $0
2012-11 0 $0 23,295 $724,454 0 $0
2012-07 0 $0 4,000 $123,320 0 $0
2012-05 5,000 $150,050 20,000 $633,093 0 $0
2012-02 0 $0 25,000 $730,748 32,044 $578,198
2012-01 0 $0 10,000 $290,500 15,000 $293,450
2011-11 0 $0 23,500 $727,933 19,000 $416,900
2011-08 0 $0 800 $23,600 0 $0
2011-07 0 $0 3,500 $106,802 0 $0
2011-06 0 $0 0 $0 7,452 $49,555
2011-05 0 $0 92,475 $3,243,104 109,333 $2,544,491
2011-04 0 $0 104,000 $3,880,600 0 $0
2011-03 0 $0 30,000 $971,726 4,000 $20,000
2011-02 7,000 $146,300 80,310 $2,415,433 22,000 $459,795
2010-12 0 $0 51,547 $1,502,700 53,665 $1,062,509
2010-11 0 $0 38,211 $1,090,981 7,294 $36,470
2010-10 0 $0 23,000 $661,733 0 $0
2010-08 915 $22,991 15,000 $450,000 5,000 $25,000
2010-07 0 $0 23,460 $700,236 2,000 $7,750
2010-06 0 $0 0 $0 2,000 $7,750
2010-05 0 $0 28,000 $828,500 5,000 $104,500
2010-04 0 $0 11,000 $328,229 22,548 $149,944
2010-03 0 $0 5,000 $135,000 5,000 $104,500
2010-02 6,500 $162,225 9,000 $226,587 15,000 $271,500
2010-01 0 $0 5,500 $148,709 6,000 $108,600
2009-12 0 $0 31,900 $902,184 52,406 $668,130
2009-11 0 $0 32,611 $929,834 26,000 $277,012
2009-10 0 $0 29,000 $827,904 0 $0
2009-08 0 $0 10,909 $239,299 21,300 $221,312
2009-07 0 $0 9,000 $169,746 6,000 $31,050
2009-06 0 $0 10,000 $233,400 0 $0
2009-05 0 $0 13,000 $283,270 11,478 $25,997
2009-04 0 $0 20,500 $396,415 0 $0
2009-03 0 $0 0 $0 2,295 $5,198
2009-02 0 $0 19,923 $287,374 86,000 $405,896
2008-12 0 $0 0 $0 11,478 $25,997
2008-11 0 $0 0 $0 6,919 $10,848
2008-10 1,000 $19,578 3,000 $71,409 0 $0
2008-09 0 $0 1,500 $54,849 0 $0
2008-08 0 $0 0 $0 7,270 $11,399
2008-07 0 $0 14,537 $463,799 0 $0
2008-06 0 $0 0 $0 20,410 $118,071
2008-05 0 $0 0 $0 34,956 $72,923
2008-04 0 $0 4,500 $131,260 0 $0
2008-03 0 $0 36,478 $1,088,177 36,478 $65,197
2008-02 0 $0 1,081 $25,792 26,255 $79,164
2008-01 0 $0 4,000 $100,008 0 $0
2007-12 0 $0 4,800 $186,240 20,000 $80,640
2007-11 0 $0 5,765 $228,772 0 $0
2007-10 0 $0 96,235 $3,761,954 0 $0
2007-09 0 $0 20,000 $672,137 0 $0
2007-08 0 $0 55,200 $1,697,208 25,200 $451,961
2007-07 0 $0 7,000 $219,030 0 $0
2007-06 0 $0 25,000 $614,100 0 $0
2007-05 0 $0 6,657 $163,259 40,364 $169,335
2007-04 2,000 $49,200 0 $0 16,000 $25,088
2007-03 2,000 $52,752 101,588 $2,789,431 11,478 $28,109
2007-02 0 $0 59,600 $1,760,490 30,000 $66,630
2007-01 0 $0 0 $0 1,587 $3,270
2006-12 0 $0 10,000 $286,400 7,000 $29,176
2006-10 0 $0 7,200 $187,200 0 $0
2006-07 0 $0 6,500 $156,000 4,400 $23,760
2006-04 0 $0 7,459 $223,323 4,400 $25,300
2006-03 0 $0 67,609 $1,775,605 51,644 $127,676
2006-02 0 $0 77,221 $2,051,777 52,401 $627,264
2006-01 0 $0 33,000 $858,520 2,117 $3,780
2005-11 0 $0 8,000 $160,448 0 $0
2005-10 0 $0 50,000 $977,500 0 $0
2005-08 0 $0 26,871 $543,135 0 $0
2005-07 0 $0 14,629 $290,085 0 $0
2005-06 0 $0 38,000 $742,511 0 $0
2005-05 0 $0 38,300 $742,596 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Amcol International Corp insiders (ACO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2013-08-09 Weaver Paul C (Director) Sale 10,000 34.80 348,000
2013-08-06 Hughes John (Director) Sale 77,500 33.61 2,604,852
2013-08-05 Casey Daniel P (Director) Sale 4,000 34.32 137,280
2013-08-05 Casey Daniel P (Director) Option Ex 4,000 24.25 97,000
2013-07-31 Carpenter Patrick (Vice President) Sale 7,000 35.00 245,000
2013-07-31 Carpenter Patrick (Vice President) Option Ex 7,000 24.25 169,750
2013-07-30 Hughes John (Director) Sale 22,500 34.62 778,882
2013-07-30 Castagna Gary L (Vice President) Sale 5,000 35.05 175,250
2013-07-30 Castagna Gary L (Vice President) Option Ex 5,000 24.25 121,250
2013-06-05 Johnson Michael R. (Vice President) Sale 10,000 31.34 313,390
2013-06-05 Johnson Michael R. (Vice President) Option Ex 10,000 24.25 242,500
2013-05-17 Castagna Gary L (Vice President) Sale 7,500 32.00 240,000
2013-05-17 Castagna Gary L (Vice President) Option Ex 7,500 24.25 181,875
2013-04-30 Hughes John (Director) Sale 5,000 30.32 151,625
2013-02-22 Johnson Michael R. (Vice President) Sale 1,201 30.47 36,594
2013-02-22 Pearson Donald W (Vice President) Sale 2,819 30.47 85,894
2013-02-22 Mckendrick Ryan F (Vice President) Sale 2,243 30.47 68,344
2013-02-12 Stahl Dale E (Director) Sale 4,000 30.42 121,664
2013-02-12 Stahl Dale E (Director) Option Ex 4,000 29.95 119,800
2013-02-11 Casey Daniel P (Director) Sale 5,000 30.35 151,745
2013-02-08 Weaver Audrey L (Director) Sale 4,000 30.40 121,600
2013-02-08 Weaver Audrey L (Director) Option Ex 4,000 29.95 119,800
2013-02-08 Redman Clarence O (Director) Sale 4,000 30.44 121,752
2013-02-08 Redman Clarence O (Director) Option Ex 4,000 29.95 119,800
2013-02-08 Castagna Gary L (Vice President) Sale 10,000 30.50 305,000
2013-02-08 Castagna Gary L (Vice President) Option Ex 10,000 29.95 299,500
2013-02-06 Hughes John (Director) Sale 5,000 30.34 151,700
2012-12-05 Castagna Gary L (Vice President) Sale 6,000 30.00 180,012
2012-12-04 Casey Daniel P (Director) Sale 5,000 29.81 149,060
2012-11-16 Weaver Audrey L (Director) Sale 3,000 29.40 88,200
2012-11-06 Hughes John (Director) Sale 4,000 31.27 125,080
2012-11-01 Stahl Dale E (Director) Sale 16,295 31.37 511,174
2012-07-31 Hughes John (Director) Sale 4,000 30.83 123,320
2012-05-14 Palensky Fred J (Director) Buy 5,000 30.01 150,050
2012-05-11 Redman Clarence O (Director) Sale 5,000 29.79 148,950
2012-05-02 Hughes John (Director) Sale 4,000 31.77 127,092
2012-05-01 Proops Jay D (Director) Sale 10,000 32.41 324,099
2012-05-01 Castagna Gary L (Vice President) Sale 1,000 32.95 32,952
2012-02-06 Casey Daniel P (Director) Sale 5,000 30.17 150,850
2012-02-06 Casey Daniel P (Director) Option Ex 5,000 5.98 29,900
2012-02-03 Weaver Paul C (Director) Option Ex 3,000 26.02 78,060
2012-02-02 Trauger Robert J. (Vice President) Sale 7,000 29.00 203,000
2012-02-02 Trauger Robert J. (Vice President) Option Ex 7,000 26.02 182,140
2012-02-01 Johnson Michael R. (Vice President) Sale 7,000 29.01 203,042
2012-02-01 Johnson Michael R. (Vice President) Option Ex 12,044 16.34 196,738
2012-02-01 Weaver Paul C (Director) Option Ex 2,000 6.65 13,300
2012-02-01 Hughes John (Director) Sale 3,000 28.93 86,796
2012-02-01 Brown Arthur (Director) Sale 3,000 29.02 87,060
2012-02-01 Brown Arthur (Director) Option Ex 3,000 26.02 78,060
2012-01-31 Castagna Gary L (Vice President) Sale 10,000 29.05 290,500
2012-01-31 Castagna Gary L (Vice President) Option Ex 10,000 26.02 260,200
2012-01-20 Castagna Gary L (Vice President) Option Ex 5,000 6.65 33,250
2011-11-30 Proops Jay D (Director) Sale 5,000 32.03 160,140
2011-11-30 Proops Jay D (Director) Option Ex 2,000 6.65 13,300
2011-11-30 Hughes John (Director) Sale 3,000 32.01 96,030
2011-11-30 Hughes John (Director) Option Ex 3,000 26.02 78,060
2011-11-30 Redman Clarence O (Director) Sale 3,000 31.99 95,958
2011-11-30 Redman Clarence O (Director) Option Ex 3,000 26.02 78,060
2011-11-30 Casey Daniel P (Director) Sale 3,000 32.17 96,506
2011-11-30 Casey Daniel P (Director) Option Ex 3,000 26.02 78,060
2011-11-29 Proops Jay D (Director) Sale 3,000 29.49 88,461
2011-11-29 Proops Jay D (Director) Option Ex 3,000 26.02 78,060
2011-11-18 Weaver Audrey L (Director) Sale 3,000 29.00 87,000
2011-11-18 Weaver Audrey L (Director) Option Ex 3,000 26.02 78,060
2011-11-18 Stahl Dale E (Director) Option Ex 2,000 6.65 13,300
2011-11-02 Hughes John (Director) Sale 3,500 29.67 103,838
2011-08-30 Weaver Audrey L (Director) Sale 800 29.50 23,600
2011-07-27 Hughes John (Director) Sale 3,500 30.52 106,802
2011-06-17 Washow Lawrence E (Director) Option Ex 7,452 6.65 49,555
2011-05-18 Mckendrick Ryan F (Vice President) Sale 89,955 35.00 3,148,604
2011-05-18 Mckendrick Ryan F (Vice President) Option Ex 103,333 24.27 2,507,891
2011-05-13 Castagna Gary L (Vice President) Option Ex 4,000 6.65 26,600
2011-05-04 Weaver Paul C (Director) Option Ex 2,000 5.00 10,000
2011-05-02 Weaver Audrey L (Director) Sale 2,520 37.50 94,500
2011-04-29 Hughes John (Director) Sale 100,000 37.31 3,731,000
2011-04-05 Weaver Leslie A (10% Owner) Sale 4,000 37.40 149,600
2011-03-25 Weaver Leslie A (10% Owner) Sale 6,000 34.26 205,560
2011-03-17 Washow Lawrence E (Director) Sale 15,000 32.00 480,000
2011-03-08 Johnson Michael R. (Vice President) Sale 7,000 32.00 224,000
2011-03-08 Stahl Dale E (Director) Option Ex 2,000 5.00 10,000
2011-03-03 Proops Jay D (Director) Sale 2,000 31.08 62,166
2011-03-03 Proops Jay D (Director) Option Ex 2,000 5.00 10,000
2011-02-17 Trauger Robert J. (Vice President) Sale 10,000 30.33 303,340
2011-02-10 Washow Lawrence E (Director) Sale 38,907 30.02 1,167,988
2011-02-09 Johnson Michael R. (Vice President) Buy 7,000 20.90 146,300
2011-02-08 Weaver Audrey L (Director) Sale 3,000 30.40 91,203
2011-02-08 Weaver Audrey L (Director) Option Ex 3,000 20.90 62,699
2011-02-07 Trauger Robert J. (Vice President) Sale 7,000 30.19 211,302
2011-02-07 Trauger Robert J. (Vice President) Option Ex 7,000 20.90 146,300
2011-02-07 Proops Jay D (Director) Sale 3,000 30.12 90,360
2011-02-07 Proops Jay D (Director) Option Ex 3,000 20.90 62,699
2011-02-07 Casey Daniel P (Director) Option Ex 3,000 20.90 62,699
2011-02-03 Washow Lawrence E (Director) Sale 11,903 29.92 356,137
2011-02-01 Weaver Paul C (Director) Option Ex 3,000 20.90 62,699
2011-02-01 Hughes John (Director) Sale 3,500 29.90 104,653
2011-02-01 Stahl Dale E (Director) Sale 3,000 30.15 90,450
2011-02-01 Stahl Dale E (Director) Option Ex 3,000 20.90 62,699
2010-12-06 Washow Lawrence E (Director) Sale 24,136 29.15 703,516
2010-12-06 Washow Lawrence E (Director) Option Ex 30,000 20.90 627,000
2010-12-06 Mckendrick Ryan F (Vice President) Sale 5,412 29.28 158,474
2010-12-06 Mckendrick Ryan F (Vice President) Option Ex 6,666 20.90 139,319
2010-12-03 Proops Jay D (Director) Sale 5,000 29.50 147,500
2010-12-02 Hughes John (Director) Sale 3,000 29.10 87,297
2010-12-02 Hughes John (Director) Option Ex 3,000 20.90 62,699
2010-12-02 Brown Arthur (Director) Sale 10,999 29.06 319,597
2010-12-02 Brown Arthur (Director) Option Ex 10,999 15.53 170,792
2010-12-01 Redman Clarence O (Director) Sale 3,000 28.77 86,316
2010-12-01 Redman Clarence O (Director) Option Ex 3,000 20.90 62,699
2010-11-09 Washow Lawrence E (Director) Sale 10,000 29.07 290,700
2010-11-05 Weaver Paul C (Director) Sale 4,000 29.74 118,960
2010-11-02 Hughes John (Director) Sale 24,211 28.14 681,321
2010-11-01 Washow Lawrence E (Director) Option Ex 7,294 5.00 36,470
2010-10-26 Hughes John (Director) Sale 23,000 28.77 661,733
2010-08-20 Johnson Michael R. (Vice President) Buy 915 25.13 22,991
2010-08-20 Castagna Gary L (Vice President) Option Ex 5,000 5.00 25,000
2010-08-03 Proops Jay D (Director) Sale 10,000 30.00 300,000
2010-07-27 Hughes John (Director) Sale 3,000 29.84 89,505
2010-07-27 Washow Lawrence E (Director) Sale 20,460 29.85 610,731
2010-07-14 Brown Arthur (Director) Option Ex 2,000 3.88 7,750
2010-06-29 Weaver Paul C (Director) Option Ex 2,000 3.88 7,750
2010-05-12 Weaver Audrey L (Director) Sale 5,000 30.00 150,000
2010-05-12 Castagna Gary L (Vice President) Sale 5,000 30.25 151,250
2010-05-12 Castagna Gary L (Vice President) Option Ex 5,000 20.90 104,500
2010-05-11 Proops Jay D (Director) Sale 3,000 30.00 90,000
2010-05-04 Washow Lawrence E (Director) Sale 15,000 29.15 437,250
2010-04-30 Washow Lawrence E (Director) Option Ex 22,548 6.65 149,944
2010-04-27 Proops Jay D (Director) Sale 7,500 30.00 225,000
2010-04-27 Hughes John (Director) Sale 3,500 29.49 103,229
2010-03-03 Castagna Gary L (Vice President) Sale 5,000 27.00 135,000
2010-03-03 Castagna Gary L (Vice President) Option Ex 5,000 20.90 104,500
2010-02-26 Johnson Michael R. (Vice President) Buy 2,000 25.74 51,480
2010-02-10 Mckendrick Ryan F (Vice President) Buy 4,500 24.61 110,745
2010-02-05 Brown Arthur (Director) Sale 3,000 25.09 75,270
2010-02-05 Brown Arthur (Director) Option Ex 3,000 18.10 54,300
2010-02-05 Casey Daniel P (Director) Option Ex 3,000 18.10 54,300
2010-02-03 Proops Jay D (Director) Sale 3,000 24.89 74,670
2010-02-03 Proops Jay D (Director) Option Ex 3,000 18.10 54,300
2010-02-01 Weaver Paul C (Director) Option Ex 3,000 18.10 54,300
2010-02-01 Redman Clarence O (Director) Sale 3,000 25.55 76,647
2010-02-01 Redman Clarence O (Director) Option Ex 3,000 18.10 54,300
2010-01-26 Hughes John (Director) Sale 5,500 27.04 148,709
2010-01-26 Hughes John (Director) Option Ex 3,000 18.10 54,300
2010-01-20 Stahl Dale E (Director) Option Ex 3,000 18.10 54,300
2009-12-04 Washow Lawrence E (Director) Sale 22,900 28.31 648,344
2009-12-04 Washow Lawrence E (Director) Option Ex 30,000 18.10 543,000
2009-12-03 Washow Lawrence E (Director) Option Ex 21,406 5.00 107,030
2009-12-02 Weaver Paul C (Director) Sale 8,000 28.23 225,840
2009-12-02 Castagna Gary L (Vice President) Sale 1,000 28.00 28,000
2009-12-02 Castagna Gary L (Vice President) Option Ex 1,000 18.10 18,100
2009-11-23 Hughes John (Director) Sale 2,000 28.89 57,780
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Insider trading activities including stock purchases, stock sales, and option exercises of ACO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Amcol International Corp (symbol ACO, CIK number 813621) see the Securities and Exchange Commission (SEC) website.