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Insider Trading: Amcol International Corp

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amcol International Corp in the last 24 months are illustrated in figures 1 and 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 $101,952. The total value of stock sales is $22,951,766. The total value of stock exercises is $2,008,910.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at Amcol International Corp (ACO) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • $3,761k

    $376k

    $37k

    $3k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at Amcol International Corp (ACO) in the past 24 months. See table 2 for insider transaction details.

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • $39.68

    $29.76

    $19.84

    $9.92



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Amcol International Corp (ACO).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-09 0 0 1,500 54,850 0 0
2008-08 0 0 0 0 7,270 11,400
2008-07 0 0 14,537 463,808 0 0
2008-06 0 0 0 0 20,410 118,088
2008-05 0 0 0 0 34,956 72,936
2008-04 0 0 4,500 131,262 0 0
2008-03 0 0 36,478 1,088,209 36,478 65,204
2008-02 0 0 1,081 25,792 26,255 79,176
2008-01 0 0 4,000 100,009 0 0
2007-12 0 0 4,800 186,240 20,000 80,650
2007-11 0 0 5,765 228,777 0 0
2007-10 0 0 96,235 3,761,975 0 0
2007-09 0 0 20,000 672,139 0 0
2007-08 0 0 55,200 1,697,215 25,200 451,979
2007-07 0 0 7,000 219,034 0 0
2007-06 0 0 25,000 614,100 0 0
2007-05 0 0 6,657 163,260 40,364 169,360
2007-04 2,000 49,200 0 0 16,000 25,091
2007-03 2,000 52,752 101,588 2,789,437 11,478 28,119
2007-02 0 0 59,600 1,760,497 30,000 66,639
2007-01 0 0 0 0 1,587 3,272
2006-12 0 0 10,000 286,400 7,000 29,180
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 1,775,639 51,644 127,710
2006-02 0 0 77,221 2,051,805 52,401 627,266
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 for Amcol International Corp (ACO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-09-02 Proops Jay D (Director) Sale 1,500 36.57 54,850
2008-08-08 Morrison Gary D (Vice President) Option Exercise 7,270 1.57 11,400
2008-07-29 Washow Lawrence E (President) Sale 8,614 32.00 275,654
2008-07-28 Washow Lawrence E (President) Sale 2,423 32.06 77,682
2008-07-24 Hughes John (Director) Sale 3,500 31.56 110,472
2008-06-09 Love Lloyd F (Vice President) Option Exercise 20,410 5.79 118,088
2008-05-23 Washow Lawrence E (President) Option Exercise 12,000 1.57 18,818
2008-05-08 Brown Arthur (Director) Option Exercise 22,956 2.36 54,118
2008-04-21 Hughes John (Director) Sale 4,500 29.17 131,262
2008-03-13 Morrison Gary D (Vice President) Sale 25,000 30.36 759,022
2008-03-13 Morrison Gary D (Vice President) Option Exercise 25,000 1.57 39,205
2008-03-07 Redman Clarence O (Director) Sale 11,478 28.68 329,187
2008-03-07 Redman Clarence O (Director) Option Exercise 11,478 2.27 25,999
2008-02-20 Hughes John (Director) Option Exercise 10,777 2.63 28,377
2008-02-06 Castagna Gary L (Vice President) Sale 1,081 23.86 25,792
2008-02-06 Castagna Gary L (Vice President) Option Exercise 4,000 5.67 22,680
2008-02-05 Proops Jay D (Director) Option Exercise 11,478 2.45 28,119
2008-01-29 Hughes John (Director) Sale 4,000 25.00 100,009
2007-12-12 Washow Lawrence E (President) Sale 4,800 38.80 186,240
2007-12-12 Washow Lawrence E (President) Option Exercise 20,000 4.03 80,650
2007-11-14 Weaver Audrey L (Director) Sale 5,765 39.68 228,777
2007-10-31 Weaver Audrey L (Director) Sale 4,235 40.30 170,658
2007-10-26 Weaver Paul C (Director) Sale 5,000 40.11 200,550
2007-10-24 Hughes John (Director) Sale 60,000 39.24 2,354,238
2007-10-23 Washow Lawrence E (President) Sale 20,000 39.03 780,600
2007-10-22 Hughes John (Director) Sale 7,000 36.56 255,929
2007-09-19 Love Lloyd F (Vice President) Sale 1,100 34.00 37,400
2007-09-04 Love Lloyd F (Vice President) Sale 18,900 33.58 634,739
2007-08-14 Mckendrick Ryan F (Vice President) Sale 25,200 29.54 744,415
2007-08-14 Mckendrick Ryan F (Vice President) Option Exercise 25,200 17.94 451,979
2007-08-07 Washow Lawrence E (President) Sale 30,000 31.76 952,800
2007-07-23 Hughes John (Director) Sale 7,000 31.29 219,034
2007-06-11 Mckendrick Ryan F (Vice President) Sale 25,000 24.56 614,100
2007-05-30 Love Lloyd F (Vice President) Option Exercise 10,477 2.89 30,261
2007-05-23 Castagna Gary L (Vice President) Sale 1,157 24.85 28,751
2007-05-23 Castagna Gary L (Vice President) Option Exercise 6,000 5.67 34,020
2007-05-16 Weaver Audrey L (Director) Option Exercise 3,800 15.52 58,960
2007-05-11 Hughes John (Director) Sale 5,500 24.46 134,509
2007-05-03 Proops Jay D (Director) Option Exercise 8,609 2.09 18,000
2007-05-02 Weaver Paul C (Director) Option Exercise 11,478 2.45 28,119
2007-04-27 Washow Lawrence E (President) Option Exercise 16,000 1.57 25,091
2007-04-26 Casey Daniel P (Director) Purchase 2,000 24.60 49,200
2007-03-20 Redman Clarence O (Director) Sale 11,478 27.45 315,123
2007-03-20 Redman Clarence O (Director) Option Exercise 11,478 2.45 28,119
2007-03-09 Weaver Leslie A (10% Owner) Sale 5,055 28.32 143,157
2007-03-09 Weaver Audrey L (Director) Sale 5,055 28.32 143,157
2007-03-06 Weaver Leslie A (10% Owner) Sale 10,000 26.67 266,700
2007-03-06 Weaver Audrey L (Director) Sale 10,000 26.67 266,700
2007-03-06 Casey Daniel P (Director) Purchase 2,000 26.38 52,752
2007-03-05 Weaver Leslie A (10% Owner) Sale 10,000 26.46 264,600
2007-03-05 Weaver Audrey L (Director) Sale 10,000 26.46 264,600
2007-03-02 Weaver Leslie A (10% Owner) Sale 10,000 27.79 277,900
2007-03-02 Weaver Audrey L (Director) Sale 10,000 27.79 277,900
2007-03-01 Weaver Leslie A (10% Owner) Sale 10,000 28.48 284,800
2007-03-01 Weaver Audrey L (Director) Sale 10,000 28.48 284,800
2007-02-28 Weaver Leslie A (10% Owner) Sale 10,000 28.47 284,700
2007-02-20 Morrison Gary D (Vice President) Sale 30,000 29.76 892,773
2007-02-20 Morrison Gary D (Vice President) Option Exercise 30,000 2.22 66,639
2007-02-08 Weaver Audrey L (Director) Sale 10,000 28.47 284,700
2007-02-07 Love Lloyd F (Vice President) Sale 9,600 31.08 298,324
2007-01-22 Morrison Gary D (Vice President) Option Exercise 1,587 2.06 3,272
2006-12-28 Castagna Gary L (Vice President) Option Exercise 7,000 4.17 29,180
2006-12-15 Washow Lawrence E (President) Sale 10,000 28.64 286,400
2006-10-23 Hughes John (Director) Sale 7,200 26.00 187,200
2006-07-28 Hughes John (Director) Sale 6,500 24.00 156,000
2006-07-11 Weaver Audrey L (Director) Option Exercise 4,400 5.40 23,760
2006-04-26 Maul Peter (Vice President) Sale 859 29.48 25,323
2006-04-26 Maul Peter (Vice President) Option Exercise 4,400 5.75 25,300
2006-04-24 Hughes John (Director) Sale 6,600 30.00 198,000
2006-03-20 Maul Peter (Vice President) Sale 5,800 27.42 159,036
2006-03-17 Proops Jay D (Director) Sale 8,609 26.88 231,430
2006-03-17 Proops Jay D (Director) Option Exercise 8,609 1.35 11,625
2006-03-16 Maul Peter (Vice President) Sale 5,000 27.30 136,500
2006-03-07 Morrison Gary D (Vice President) Sale 35,000 25.24 883,536
2006-03-07 Morrison Gary D (Vice President) Option Exercise 35,000 2.06 72,166
2006-03-06 Maul Peter (Vice President) Sale 11,573 27.61 319,565
2006-03-03 Maul Peter (Vice President) Sale 1,627 28.01 45,572
2006-03-03 Maul Peter (Vice President) Option Exercise 8,035 5.47 43,919
2006-02-28 Washow Lawrence E (President) Sale 10,000 27.61 276,100
2006-02-28 Morrison Gary D (Vice President) Sale 6,480 27.61 178,912
2006-02-28 Maul Peter (Vice President) Sale 5,940 27.61 164,003
2006-02-28 Love Lloyd F (Vice President) Sale 5,400 27.61 149,094
2006-02-28 Castagna Gary L (Vice President) Sale 9,000 27.61 248,490
2006-02-22 Washow Lawrence E (President) Option Exercise 12,000 1.57 18,818
2006-02-13 Mckendrick Ryan F (Vice President) Sale 27,067 25.62 693,369
2006-02-13 Mckendrick Ryan F (Vice President) Option Exercise 27,067 14.75 399,238
2006-02-13 Maul Peter (Vice President) Sale 13,334 25.64 341,837
2006-02-13 Maul Peter (Vice President) Option Exercise 13,334 15.69 209,210
2006-01-31 Washow Lawrence E (President) Sale 25,000 26.44 661,000
2006-01-31 Morrison Gary D (Vice President) Option Exercise 2,117 1.79 3,780
2006-01-26 Hughes John (Director) Sale 8,000 24.69 197,520
2005-11-01 Hughes John (Director) Sale 8,000 20.06 160,448
2005-10-28 Washow Lawrence E (President) Sale 50,000 19.55 977,500
2005-08-10 Weaver Paul C (Director) Sale 5,000 20.45 102,260
2005-08-02 Maul Peter (Vice President) Sale 21,871 20.16 440,875
2005-07-29 Hughes John (Director) Sale 10,000 19.70 196,950
2005-07-26 Maul Peter (Vice President) Sale 4,629 20.12 93,135
2005-06-28 Brown Arthur (Director) Sale 8,000 19.02 152,136
2005-06-07 Weaver Audrey L (Director) Sale 3,800 19.58 74,419
2005-06-02 Weaver Audrey L (Director) Sale 26,200 19.69 515,956
2005-05-27 Weaver Audrey L (Director) Sale 27,700 19.46 539,180
2005-05-24 Weaver Audrey L (Director) Sale 5,500 19.11 105,094
2005-05-18 Weaver Audrey L (Director) Sale 5,100 19.28 98,322

Insider trading activities including stock purchases, stock sales, and option exercises 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.

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