Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Patterson Companies, Inc. (PDCO) since 2005 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Patterson Companies, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 891024.
Total stock buying since 2005: $536,245.
Total stock sales since 2005: $157,959,705.
Total stock option exercises since 2005: $14,898,292.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2024 | 0 | $0 | 19,365 | $467,228 | 0 | $0 |
| 2023 | 0 | $0 | 28,695 | $878,258 | 0 | $0 |
| 2022 | 0 | $0 | 39,055 | $1,209,595 | 0 | $0 |
| 2021 | 0 | $0 | 22,697 | $740,283 | 12,000 | $328,320 |
| 2020 | 0 | $0 | 3,111 | $78,026 | 0 | $0 |
| 2018 | 0 | $0 | 750 | $27,285 | 0 | $0 |
| 2017 | 2,834 | $98,991 | 160,551 | $7,279,205 | 2,000 | $83,100 |
| 2016 | 2,500 | $99,949 | 1,500 | $71,310 | 14,000 | $502,698 |
| 2015 | 0 | $0 | 38,181 | $1,717,435 | 25,500 | $1,044,764 |
| 2014 | 0 | $0 | 14,341 | $648,116 | 35,676 | $1,338,371 |
| 2013 | 0 | $0 | 108,827 | $4,430,656 | 90,464 | $2,863,910 |
| 2012 | 1,000 | $32,280 | 137,991 | $4,496,471 | 58,010 | $1,309,457 |
| 2011 | 4,500 | $132,590 | 240,173 | $7,962,076 | 49,940 | $1,081,735 |
| 2010 | 2,000 | $58,692 | 1,971,612 | $61,187,053 | 140,010 | $2,594,631 |
| 2009 | 0 | $0 | 123,303 | $3,238,411 | 98,700 | $858,986 |
| 2008 | 3,500 | $76,713 | 276,009 | $9,880,261 | 29,980 | $381,974 |
| 2007 | 0 | $0 | 131,900 | $4,914,807 | 30,000 | $682,440 |
| 2006 | 1,000 | $37,030 | 192,464 | $6,705,154 | 101,264 | $1,827,906 |
| 2005 | 0 | $0 | 857,773 | $42,028,075 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2024-12 | 0 | $0 | 1,962 | $45,277 | 0 | $0 |
| 2024-07 | 0 | $0 | 17,403 | $421,951 | 0 | $0 |
| 2023-12 | 0 | $0 | 4,055 | $106,131 | 0 | $0 |
| 2023-10 | 0 | $0 | 9,260 | $275,522 | 0 | $0 |
| 2023-07 | 0 | $0 | 11,880 | $385,480 | 0 | $0 |
| 2023-06 | 0 | $0 | 3,500 | $111,125 | 0 | $0 |
| 2022-07 | 0 | $0 | 17,055 | $505,593 | 0 | $0 |
| 2022-04 | 0 | $0 | 6,000 | $209,760 | 0 | $0 |
| 2022-03 | 0 | $0 | 16,000 | $494,242 | 0 | $0 |
| 2021-07 | 0 | $0 | 77 | $2,331 | 0 | $0 |
| 2021-06 | 0 | $0 | 4,577 | $163,289 | 0 | $0 |
| 2021-04 | 0 | $0 | 1,174 | $39,505 | 0 | $0 |
| 2021-03 | 0 | $0 | 6,817 | $205,171 | 0 | $0 |
| 2021-01 | 0 | $0 | 10,052 | $329,987 | 12,000 | $328,320 |
| 2020-09 | 0 | $0 | 3,111 | $78,026 | 0 | $0 |
| 2018-01 | 0 | $0 | 750 | $27,285 | 0 | $0 |
| 2017-11 | 2,834 | $98,991 | 0 | $0 | 0 | $0 |
| 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 | $278,325 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2024-12-09 | Zurbay Donald (President & CEO) | Sale | 1,962 | 23.08 | 45,277 |
| 2024-07-16 | Zurbay Donald (President & CEO) | Sale | 7,216 | 24.99 | 180,327 |
| 2024-07-03 | Bergeson Samantha L (CHRO) | Sale | 254 | 23.87 | 6,062 |
| 2024-07-03 | Barry Kevin Michael (CFO) | Sale | 1,216 | 23.72 | 28,845 |
| 2024-07-03 | Korsh Les B (CLO & Corporate Secretary) | Sale | 2,842 | 23.71 | 67,398 |
| 2024-07-03 | Zurbay Donald (President & CEO) | Sale | 5,875 | 23.71 | 139,319 |
| 2023-12-19 | Barry Kevin Michael (Chief Financial Officer) | Sale | 560 | 27.18 | 15,220 |
| 2023-12-06 | Zurbay Donald (President & CEO) | Sale | 1,868 | 26.58 | 49,651 |
| 2023-12-01 | Barry Kevin Michael (Chief Financial Officer) | Sale | 1,627 | 25.36 | 41,260 |
| 2023-10-05 | Rogan Timothy E (President - Dental) | Sale | 9,260 | 29.75 | 275,522 |
| 2023-07-18 | Korsh Les B (CLO & Corporate Secretary) | Sale | 3,686 | 32.47 | 119,684 |
| 2023-07-18 | Zurbay Donald (President & CEO) | Sale | 5,620 | 32.48 | 182,554 |
| 2023-07-05 | Korsh Les B (CLO & Corporate Secretary) | Sale | 908 | 32.34 | 29,364 |
| 2023-07-05 | Zurbay Donald (President & CEO) | Sale | 1,666 | 32.34 | 53,878 |
| 2023-06-21 | Korsh Les B (CLO & Corporate Secretary) | Sale | 3,500 | 31.75 | 111,125 |
| 2022-07-06 | Korsh Les B (Chief Legal Officer) | Sale | 4,889 | 29.64 | 144,929 |
| 2022-07-06 | Frohning Andrea L. (Chief Human Resources Officer) | Sale | 1,986 | 29.97 | 59,520 |
| 2022-07-06 | Zurbay Donald (Chief Financial Officer) | Sale | 10,180 | 29.58 | 301,144 |
| 2022-04-14 | Korsh Les B (Chief Legal Officer) | Sale | 6,000 | 34.96 | 209,760 |
| 2022-03-15 | Korsh Les B (VP, General Counsel) | Sale | 6,000 | 30.91 | 185,442 |
| 2022-03-15 | Zurbay Donald (Chief Financial Officer) | Sale | 10,000 | 30.88 | 308,800 |
| 2021-07-06 | Frohning Andrea L. (Chief Human Resources Officer) | Sale | 77 | 30.28 | 2,331 |
| 2021-06-14 | Korsh Les B (VP, General Counsel) | Sale | 4,577 | 35.68 | 163,289 |
| 2021-04-26 | Korsh Les B (VP, General Counsel) | Sale | 1,174 | 33.65 | 39,505 |
| 2021-03-05 | Zurbay Donald (Chief Financial Officer) | Sale | 6,817 | 30.10 | 205,171 |
| 2021-01-13 | Feragen Jody H (Director) | Sale | 10,052 | 32.83 | 329,987 |
| 2021-01-13 | Feragen Jody H (Director) | Option Ex | 12,000 | 27.36 | 328,320 |
| 2020-09-08 | Korsh Les B (VP, General Counsel) | Sale | 3,111 | 25.08 | 78,026 |
| 2018-01-11 | Gugino Ann B (Executive Vice President & CFO) | Sale | 750 | 36.38 | 27,285 |
| 2017-11-24 | Buck John D (Director) | Buy | 2,834 | 34.93 | 98,991 |
| 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.