Insider Trading activities of Patterson Companies, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Patterson Companies, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Patterson Companies, Inc. since year 2005. Table 2 shows the detailed insider transactions of Patterson Companies, Inc. since 2005. The reporting company's ticker symbol is PDCO. The reporting company's CIK number is 891024.
The total value of stock buying since 2005 is $437,254.
The total value of stock sales since 2005 is $154,559,030.
The total value of stock option exercises since 2005 is $14,569,972.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Patterson Companies, Inc. (PDCO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 750 $27,547 0 $0
2017-07 0 $0 750 $31,800 0 $0
2017-06 0 $0 10,000 $467,600 2,000 $83,100
2017-05 0 $0 750 $32,872 0 $0
2017-03 0 $0 28,301 $1,285,156 0 $0
2017-02 0 $0 120,000 $5,434,230 0 $0
2016-12 2,500 $99,949 0 $0 7,500 $278,325
2016-09 0 $0 0 $0 5,000 $162,049
2016-08 0 $0 750 $34,665 0 $0
2016-06 0 $0 0 $0 1,500 $62,324
2016-05 0 $0 750 $36,645 0 $0
2015-09 0 $0 38,181 $1,717,435 25,500 $1,044,764
2014-12 0 $0 8,000 $385,600 0 $0
2014-09 0 $0 0 $0 24,000 $892,320
2014-06 0 $0 1,095 $43,342 0 $0
2014-04 0 $0 0 $0 6,430 $244,080
2014-03 0 $0 5,246 $219,174 5,246 $201,971
2013-12 0 $0 8,691 $362,447 0 $0
2013-11 0 $0 1,008 $41,764 0 $0
2013-09 0 $0 91,831 $3,749,075 79,000 $2,635,033
2013-08 0 $0 3,121 $125,183 0 $0
2013-03 0 $0 1,052 $38,918 8,340 $166,507
2013-02 0 $0 3,124 $113,269 3,124 $62,370
2012-12 0 $0 1,568 $52,088 0 $0
2012-09 0 $0 8,400 $289,678 5,556 $179,764
2012-08 0 $0 5,697 $193,923 21,582 $478,632
2012-06 0 $0 32,678 $1,086,274 15,024 $293,373
2012-04 0 $0 0 $0 6,200 $139,934
2012-03 0 $0 30,322 $967,999 5,322 $120,117
2012-02 1,000 $32,280 29,326 $945,699 4,326 $97,637
2012-01 0 $0 30,000 $960,810 0 $0
2011-12 0 $0 904 $27,727 0 $0
2011-10 0 $0 15,000 $480,165 0 $0
2011-09 2,000 $56,800 0 $0 8,000 $146,560
2011-08 1,500 $42,330 0 $0 0 $0
2011-06 0 $0 160,840 $5,369,530 29,412 $743,748
2011-04 0 $0 0 $0 8,806 $134,555
2011-03 1,000 $33,460 63,429 $2,084,654 3,722 $56,872
2010-12 0 $0 106,185 $3,220,207 3,758 $57,422
2010-09 0 $0 8,512 $231,389 4,372 $75,001
2010-06 0 $0 160,124 $4,831,284 108,580 $2,134,798
2010-05 2,000 $58,692 550,000 $17,577,266 0 $0
2010-04 0 $0 550,000 $17,081,240 10,068 $122,708
2010-03 0 $0 488,047 $15,113,448 4,488 $54,699
2010-02 0 $0 58,744 $1,691,819 8,744 $150,003
2010-01 0 $0 50,000 $1,440,400 0 $0
2009-12 0 $0 1,980 $55,085 0 $0
2009-09 0 $0 43,461 $1,185,462 0 $0
2009-08 0 $0 59,315 $1,619,829 0 $0
2009-06 0 $0 18,000 $368,154 98,700 $858,986
2009-03 0 $0 547 $9,881 0 $0
2008-12 500 $8,943 8,893 $161,982 14,364 $145,650
2008-11 2,000 $35,980 0 $0 0 $0
2008-09 0 $0 4,500 $139,968 3,000 $30,420
2008-06 1,000 $31,790 0 $0 0 $0
2008-03 0 $0 1,500 $50,968 1,500 $15,210
2008-02 0 $0 261,116 $9,527,343 11,116 $190,694
2007-12 0 $0 4,500 $150,255 4,500 $45,630
2007-09 0 $0 500 $19,265 0 $0
2007-06 0 $0 31,400 $1,182,802 0 $0
2007-05 0 $0 94,000 $3,512,880 24,000 $621,600
2007-03 0 $0 1,500 $49,605 1,500 $15,210
2006-12 1,000 $37,030 103,500 $3,864,362 3,500 $35,490
2006-11 0 $0 500 $18,170 0 $0
2006-09 0 $0 54,000 $1,694,736 72,000 $1,330,200
2006-08 0 $0 21,000 $649,530 21,000 $413,910
2006-06 0 $0 2,000 $68,720 2,000 $20,280
2006-03 0 $0 11,464 $409,636 2,764 $28,026
2005-09 0 $0 109,861 $4,459,087 0 $0
2005-06 0 $0 1,000 $44,100 0 $0
2005-05 0 $0 100,000 $5,065,600 0 $0
2005-04 0 $0 164,112 $8,271,250 0 $0
2005-03 0 $0 482,800 $24,188,038 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Patterson Companies, Inc. insiders (PDCO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-11 Gugino Ann B (Executive Vice President & CFO) Sale 750 36.73 27,547
2017-07-11 Gugino Ann B (Executive Vice President & CFO) Sale 750 42.40 31,800
2017-06-14 Anderson Scott P (Director) Sale 10,000 46.76 467,600
2017-06-06 Lin Sarena S (Director) Option Ex 2,000 41.55 83,100
2017-05-30 Gugino Ann B (Executive Vice President & CFO) Sale 750 43.83 32,872
2017-03-15 Wiltz James W (Director) Sale 10,000 45.52 455,240
2017-03-09 Wiltz James W (Director) Sale 5,000 44.52 222,580
2017-03-02 Misiak David G (President, Patterson Dental) Sale 301 45.57 13,716
2017-03-02 Rudnick Ellen A (Director) Sale 3,000 45.70 137,100
2017-03-01 Wiltz James W (Director) Sale 10,000 45.65 456,520
2017-02-28 Wiltz James W (Director) Sale 20,000 45.40 908,000
2017-02-27 Wiltz James W (Director) Sale 60,000 45.25 2,714,820
2016-12-07 Buck John D (Director) Buy 2,500 39.98 99,949
2016-12-07 Buck John D (Director) Option Ex 7,500 37.11 278,325
2016-09-09 Rudnick Ellen A (Director) Option Ex 5,000 32.41 162,049
2016-08-29 Gugino Ann B (Executive Vice President & CFO) Sale 750 46.22 34,665
2016-06-03 Lin Sarena S (Director) Option Ex 1,500 41.55 62,324
2016-05-31 Gugino Ann B (Vice President & CFO) Sale 750 48.86 36,645
2015-09-25 Wiltz James W (Director) Sale 5,000 45.14 225,685
2015-09-24 Thygesen Jerome E (Vice President) Sale 3,760 45.00 169,200
2015-09-18 Slavkin Harold C (Director) Sale 5,421 44.62 241,890
2015-09-11 Rudnick Ellen A (Director) Sale 12,000 45.45 545,376
2015-09-11 Rudnick Ellen A (Director) Option Ex 12,000 40.94 491,220
2015-09-04 Slavkin Harold C (Director) Sale 12,000 44.61 535,284
2015-09-04 Slavkin Harold C (Director) Option Ex 12,000 40.94 491,220
2015-09-03 Lin Sarena S (Director) Option Ex 1,500 41.55 62,324
2014-12-01 Henriques George L (President - Subsidiary) Sale 8,000 48.20 385,600
2014-09-04 Rudnick Ellen A (Director) Option Ex 12,000 37.18 446,160
2014-09-03 Lacy Andre B (Director) Option Ex 12,000 37.18 446,160
2014-06-09 Muniz Sean M (Vice President) Sale 1,095 39.58 43,342
2014-04-24 Armstrong R Stephen (EVP & CFO) Option Ex 3,930 38.50 151,305
2014-04-17 Buck John D (Director) Option Ex 2,500 37.11 92,775
2014-03-19 Lacy Andre B (Director) Sale 536 41.93 22,472
2014-03-19 Lacy Andre B (Director) Option Ex 536 38.50 20,636
2014-03-06 Guggenheim Paul A (President - Subsidiary) Sale 1,688 41.80 70,558
2014-03-06 Guggenheim Paul A (President - Subsidiary) Option Ex 1,688 38.50 64,988
2014-03-06 Henriques George L (President - Subsidiary) Sale 3,022 41.74 126,144
2014-03-06 Henriques George L (President - Subsidiary) Option Ex 3,022 38.50 116,347
2013-12-06 Muniz Sean M (Vice President) Sale 991 41.50 41,126
2013-12-06 Henriques George L (President - Subsidiary) Sale 7,700 41.73 321,321
2013-11-26 Gugino Ann B (Vice President) Sale 1,008 41.43 41,764
2013-09-20 Buck John D (Director) Option Ex 2,000 37.11 74,220
2013-09-16 Reich Charles (Other) Sale 43,831 41.21 1,806,275
2013-09-16 Reich Charles (Other) Option Ex 29,000 33.55 972,805
2013-09-12 Slavkin Harold C (Director) Sale 12,000 41.02 492,240
2013-09-12 Slavkin Harold C (Director) Option Ex 12,000 37.18 446,160
2013-09-12 Rudnick Ellen A (Director) Sale 12,000 41.00 492,000
2013-09-12 Rudnick Ellen A (Director) Option Ex 12,000 33.65 403,776
2013-09-05 Rudnick Ellen A (Director) Sale 12,000 40.00 480,000
2013-09-05 Rudnick Ellen A (Director) Option Ex 12,000 33.65 403,776
2013-09-03 Lacy Andre B (Director) Sale 12,000 39.88 478,560
2013-09-03 Lacy Andre B (Director) Option Ex 12,000 27.86 334,296
2013-08-27 Gugino Ann B (Vice President) Sale 3,121 40.11 125,183
2013-03-18 Lacy Andre B (Director) Sale 1,052 36.99 38,918
2013-03-18 Lacy Andre B (Director) Option Ex 1,052 19.96 21,003
2013-03-15 Armstrong R Stephen (EVP & CFO) Option Ex 7,288 19.96 145,504
2013-02-28 Guggenheim Paul A (President - Subsidiary) Sale 3,124 36.26 113,269
2013-02-28 Guggenheim Paul A (President - Subsidiary) Option Ex 3,124 19.96 62,370
2012-12-10 Henriques George L (President - Subsidiary) Sale 273 33.28 9,085
2012-12-10 Sproat David P (President, Subsidiary) Sale 1,295 33.21 43,003
2012-09-18 Slavkin Harold C (Director) Sale 2,844 34.36 97,719
2012-09-14 Slavkin Harold C (Director) Sale 5,556 34.55 191,959
2012-09-14 Slavkin Harold C (Director) Option Ex 5,556 32.35 179,764
2012-08-31 Sproat David P (President, Subsidiary) Sale 3,798 34.04 129,282
2012-08-31 Sproat David P (President, Subsidiary) Option Ex 6,388 19.97 127,568
2012-08-24 Lacy Andre B (Director) Option Ex 12,000 23.94 287,280
2012-06-20 Armstrong R Stephen (EVP & CFO) Sale 10,000 33.72 337,200
2012-06-18 Vinney Les C (Director) Sale 3,000 33.57 100,716
2012-06-18 Vinney Les C (Director) Option Ex 4,000 18.32 73,280
2012-06-14 Henriques George L (President - Subsidiary) Sale 8,695 32.60 283,448
2012-06-14 Henriques George L (President - Subsidiary) Option Ex 4,042 19.96 80,698
2012-06-07 Anderson Scott P (President and CEO) Sale 10,983 33.23 364,910
2012-06-07 Anderson Scott P (President and CEO) Option Ex 6,982 19.96 139,395
2012-04-27 Armstrong R Stephen (EVP & CFO) Option Ex 6,200 22.57 139,934
2012-03-15 Wiltz James W (Director) Sale 25,000 32.04 801,000
2012-03-05 Guggenheim Paul A (President - Subsidiary) Sale 2,632 30.86 81,226
2012-03-05 Guggenheim Paul A (President - Subsidiary) Option Ex 2,632 22.57 59,404
2012-03-01 Sproat David P (President, Subsidiary) Sale 2,690 31.89 85,773
2012-03-01 Sproat David P (President, Subsidiary) Option Ex 2,690 22.57 60,713
2012-02-29 Henriques George L (President - Subsidiary) Sale 3,438 32.00 110,016
2012-02-29 Henriques George L (President - Subsidiary) Option Ex 3,438 22.57 77,595
2012-02-28 Wiltz James W (Director) Sale 25,000 32.28 807,000
2012-02-28 Lacy Andre B (Director) Sale 888 32.30 28,683
2012-02-28 Lacy Andre B (Director) Option Ex 888 22.57 20,042
2012-02-28 Feragen Jody H (Director) Buy 1,000 32.28 32,280
2012-01-24 Wiltz James W (Director) Sale 30,000 32.03 960,810
2011-12-01 Henriques George L (President - Subsidiary) Sale 904 30.67 27,727
2011-10-27 Wiltz James W (Director) Sale 15,000 32.01 480,165
2011-09-09 Vinney Les C (Director) Option Ex 8,000 18.32 146,560
2011-09-08 Rudnick Ellen A (Director) Buy 2,000 28.40 56,800
2011-08-30 Buck John D (Director) Buy 1,500 28.22 42,330
2011-06-23 Armstrong R Stephen (EVP & CFO) Sale 25,000 32.02 800,400
2011-06-22 Anderson Scott P (President and CEO) Sale 6,070 32.70 198,489
2011-06-22 Anderson Scott P (President and CEO) Option Ex 5,412 22.57 122,148
2011-06-22 Armstrong R Stephen (EVP & CFO) Sale 5,000 32.55 162,725
2011-06-22 Ezerski Ronald E (Director) Sale 24,000 32.42 778,080
2011-06-22 Ezerski Ronald E (Director) Option Ex 24,000 25.90 621,600
2011-06-21 Henriques George L (President - Subsidiary) Sale 770 32.59 25,095
2011-06-02 Wiltz James W (Director) Sale 12,822 33.35 427,613
2011-06-01 Wiltz James W (Director) Sale 87,178 34.15 2,977,128
2011-04-07 Armstrong R Stephen (EVP & CFO) Option Ex 8,806 15.28 134,555
2011-03-21 Wiltz James W (Director) Sale 12,000 32.05 384,599
2011-03-09 Wiltz James W (Director) Sale 47,707 33.07 1,577,527
2011-03-07 Buck John D (Director) Buy 1,000 33.46 33,460
2011-03-02 Guggenheim Paul A (President - Subsidiary) Sale 3,722 32.92 122,528
2011-03-02 Guggenheim Paul A (President - Subsidiary) Option Ex 3,722 15.28 56,872
2010-12-20 Anderson Scott P (President and CEO) Sale 2,242 30.99 69,479
2010-12-17 Henriques George L (President - Subsidiary) Sale 185 30.76 5,690
2010-12-16 Sproat David P (President, Subsidiary) Sale 3,758 30.23 113,604
2010-12-16 Sproat David P (President, Subsidiary) Option Ex 3,758 15.28 57,422
2010-12-15 Frechette Peter L (Director & Chairman) Sale 61,806 30.40 1,878,778
2010-12-14 Frechette Peter L (Director & Chairman) Sale 38,194 30.18 1,152,656
2010-09-16 Slavkin Harold C (Director) Sale 2,500 27.59 68,975
2010-09-13 Henriques George L (President - Subsidiary) Sale 6,012 27.02 162,414
2010-09-13 Henriques George L (President - Subsidiary) Option Ex 4,372 17.16 75,001
2010-06-23 Wiltz James W (Director) Option Ex 25,040 19.97 500,048
2010-06-22 Armstrong R Stephen (EVP & CFO) Sale 30,000 30.72 921,630
2010-06-17 Anderson Scott P (President and CEO) Sale 3,736 30.61 114,340
2010-06-17 Anderson Scott P (President and CEO) Option Ex 7,152 15.28 109,282
2010-06-17 Wiltz James W (Director) Sale 76,388 30.34 2,317,764
2010-06-17 Wiltz James W (Director) Option Ex 76,388 19.97 1,525,468
2010-06-01 Wiltz James W (Director) Sale 50,000 29.55 1,477,550
2010-05-26 Buck John D (Director) Buy 2,000 29.35 58,692
2010-05-04 Ezerski Ronald E (Director) Sale 59,184 31.38 1,857,371
2010-05-03 Wiltz James W (Director) Sale 50,000 32.02 1,601,000
2010-05-03 Ezerski Ronald E (Director) Sale 440,816 32.03 14,118,895
2010-04-29 Armstrong R Stephen (EVP & CFO) Option Ex 10,068 12.19 122,708
2010-04-16 Ezerski Ronald E (Director) Sale 100,000 32.01 3,200,500
2010-04-06 Ezerski Ronald E (Director) Sale 100,000 31.00 3,100,000
2010-04-05 Ezerski Ronald E (Director) Sale 72,762 30.93 2,250,746
2010-04-01 Wiltz James W (Director, President & CEO) Sale 50,000 30.74 1,537,200
2010-04-01 Ezerski Ronald E (Director) Sale 227,238 30.77 6,992,794
2010-03-23 Ezerski Ronald E (Director) Sale 69,873 31.00 2,166,272
2010-03-22 Ezerski Ronald E (Director) Sale 330,127 31.14 10,280,484
2010-03-19 Ezerski Ronald E (Director) Sale 30,000 30.81 924,420
2010-03-11 Sproat David P (President, Subsidiary) Sale 6,488 30.20 195,905
2010-03-11 Sproat David P (President, Subsidiary) Option Ex 4,488 12.19 54,699
2010-03-04 Anderson Scott P (President - Subsidiary) Sale 1,559 30.64 47,767
2010-03-01 Wiltz James W (Director, President & CEO) Sale 50,000 29.97 1,498,600
2010-02-24 Henriques George L (President - Subsidiary) Sale 8,744 30.04 262,669
2010-02-24 Henriques George L (President - Subsidiary) Option Ex 8,744 17.16 150,003
2010-02-01 Wiltz James W (Director, President & CEO) Sale 50,000 28.58 1,429,150
2010-01-04 Wiltz James W (Director, President & CEO) Sale 50,000 28.81 1,440,400
2009-12-15 Armstrong R Stephen (EVP & CFO) Sale 1,980 27.82 55,085
2009-09-16 Slavkin Harold C (Director) Sale 1,761 27.25 47,994
2009-09-09 Wiltz James W (Director, President & CEO) Sale 16,700 27.32 456,193
2009-09-08 Wiltz James W (Director, President & CEO) Sale 25,000 27.25 681,275
2009-08-31 Henriques George L (President - Subsidiary) Sale 1,015 27.13 27,536
2009-08-28 Wiltz James W (Director, President & CEO) Sale 1,000 27.45 27,451
2009-08-27 Wiltz James W (Director, President & CEO) Sale 32,300 27.25 880,142
2009-08-26 Wiltz James W (Director, President & CEO) Sale 25,000 27.39 684,700
2009-06-18 Armstrong R Stephen (EVP & CFO) Option Ex 98,700 8.70 858,986
2009-06-18 Lacy Andre B (Director) Sale 18,000 20.45 368,154
2009-03-20 Slavkin Harold C (Director) Sale 547 18.06 9,881
2008-12-19 Askew Lynn E (Vice President) Sale 1,056 18.44 19,475
2008-12-19 Askew Lynn E (Vice President) Option Ex 1,056 10.14 10,707
2008-12-17 Henriques George L (President - Subsidiary) Sale 399 18.64 7,439
2008-12-16 Buck John D (Director) Buy 500 17.89 8,943
2008-12-12 Sproat David P (President, Subsidiary) Sale 2,859 17.95 51,319
2008-12-12 Sproat David P (President, Subsidiary) Option Ex 13,308 10.14 134,943
2008-12-11 Sproat David P (President, Subsidiary) Sale 4,579 18.29 83,749
2008-11-26 Buck John D (Director) Buy 2,000 17.99 35,980
2008-09-19 Sproat David P (President, Subsidiary) Sale 1,500 31.05 46,578
2008-09-16 Askew Lynn E (Vice President) Sale 3,000 31.13 93,390
2008-09-16 Askew Lynn E (Vice President) Option Ex 3,000 10.14 30,420
2008-06-20 Peckskamp Daniel H. (Vice President) Buy 1,000 31.79 31,790
2008-03-10 Askew Lynn E (Vice President) Sale 1,500 33.98 50,968
2008-03-10 Askew Lynn E (Vice President) Option Ex 1,500 10.14 15,210
2008-02-28 Henriques George L (President - Subsidiary) Sale 11,116 36.37 404,288
2008-02-28 Henriques George L (President - Subsidiary) Option Ex 11,116 17.16 190,694
2008-02-28 Frechette Peter L (Director & Chairman) Sale 80,242 36.37 2,918,401
2008-02-27 Frechette Peter L (Director & Chairman) Sale 169,758 36.55 6,204,654
2007-12-21 Askew Lynn E (Vice President) Sale 4,500 33.39 150,255
2007-12-21 Askew Lynn E (Vice President) Option Ex 4,500 10.14 45,630
2007-09-21 Askew Lynn E (Vice President) Sale 500 38.53 19,265
2007-06-22 Sproat David P (President, Subsidiary) Sale 1,000 37.42 37,420
2007-06-22 Askew Lynn E (Vice President) Sale 400 37.08 14,832
2007-06-04 Frechette Peter L (Director & Chairman) Sale 15,000 37.87 568,050
2007-06-01 Frechette Peter L (Director & Chairman) Sale 15,000 37.50 562,500
2007-05-31 Frechette Peter L (Director & Chairman) Sale 70,000 37.44 2,620,800
2007-05-30 Slavkin Harold C (Director) Sale 24,000 37.17 892,080
2007-05-30 Slavkin Harold C (Director) Option Ex 24,000 25.90 621,600
2007-03-23 Askew Lynn E (Vice President) Sale 1,500 33.07 49,605
2007-03-23 Askew Lynn E (Vice President) Option Ex 1,500 10.14 15,210
2006-12-22 Askew Lynn E (Vice President) Sale 3,500 36.02 126,070
2006-12-22 Askew Lynn E (Vice President) Option Ex 3,500 10.14 35,490
2006-12-12 Buck John D (Director) Buy 1,000 37.03 37,030
2006-12-12 Frechette Peter L (Director & Chairman) Sale 12,400 37.00 458,800
2006-12-11 Frechette Peter L (Director & Chairman) Sale 27,600 37.67 1,039,692
2006-12-08 Frechette Peter L (Director & Chairman) Sale 60,000 37.33 2,239,800
2006-11-28 Sproat David P (President, Subsidiary) Sale 500 36.34 18,170
2006-09-21 Lacy Andre B (Director) Option Ex 18,000 18.48 332,550
2006-09-15 Ezerski Ronald E (Director) Sale 36,000 31.73 1,142,280
2006-09-15 Ezerski Ronald E (Director) Option Ex 36,000 18.48 665,100
2006-09-12 Lacy Andre B (Director) Sale 18,000 30.69 552,456
2006-09-12 Lacy Andre B (Director) Option Ex 18,000 18.48 332,550
2006-08-30 Slavkin Harold C (Director) Sale 21,000 30.93 649,530
2006-08-30 Slavkin Harold C (Director) Option Ex 21,000 19.71 413,910
2006-06-07 Askew Lynn E (Vice President) Sale 2,000 34.36 68,720
2006-06-07 Askew Lynn E (Vice President) Option Ex 2,000 10.14 20,280
2006-03-24 Askew Lynn E (Vice President) Sale 500 35.66 17,830
2006-03-23 Sproat David P (President, Subsidiary) Sale 8,000 35.99 287,920
2006-03-10 Sproat David P (President, Subsidiary) Sale 200 35.04 7,008
2006-03-09 Askew Lynn E (Vice President) Option Ex 2,764 10.14 28,026
2006-03-03 Askew Lynn E (Vice President) Sale 2,764 35.05 96,878
2005-09-23 Askew Lynn E (Vice President) Sale 500 39.50 19,750
2005-09-23 Lacy Andre B (Director) Sale 7,940 39.50 313,630
2005-09-21 Lacy Andre B (Director) Sale 28,060 39.50 1,108,370
2005-09-02 Webster Jeffrey H (President - Subsidia) Sale 73,361 41.13 3,017,337
2005-06-24 Askew Lynn E (Vice President) Sale 1,000 44.10 44,100
2005-05-02 Ezerski Ronald E (Director) Sale 100,000 50.66 5,065,600
2005-04-05 Ezerski Ronald E (Director) Sale 149,500 50.43 7,539,584
2005-04-01 Ezerski Ronald E (Director) Sale 14,612 50.07 731,666
2005-03-16 Ezerski Ronald E (Director) Sale 400 50.10 20,040
2005-03-15 Ezerski Ronald E (Director) Sale 81,500 50.29 4,098,553
2005-03-11 Ezerski Ronald E (Director) Sale 900 50.05 45,045
2005-03-10 Ezerski Ronald E (Director) Sale 400,000 50.06 20,024,400

Insider trading activities including stock purchases, stock sales, and option exercises of PDCO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Patterson Companies, Inc. (symbol PDCO, CIK number 891024) see the Securities and Exchange Commission (SEC) website.