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Tuesday, December 2, 2008, 2:16AM ET - U.S. Markets open in 7 hours and 14 minutes. Dow Down 7.70% Nasdaq Down 8.95%
Patterson Companies Inc. (PDCO)On Dec 1: 18.16  Down 0.66 (3.51%)  
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HereInsider Transactions
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Insider TransactionsGet Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
 SharesTrans
Purchases1,0001
Sales4,5002
Net Shares Purchased
(Sold)
(3,500)3
Total Insider Shares Held29.63M N/A
% Net Shares Purchased
(Sold)
0.0% N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
 Shares
Net Shares Purchased (Sold)(20,018,100)
% Change in Institutional Shares Held(33.7%)
Data provided by Thomson Financial

INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS
DateInsiderSharesTypeTransactionValue*
26-Nov-08BUCK JOHN D
Director
2,000DirectPurchase at $17.99 per share.$35,980
30-Sep-08HENRIQUES GEORGE L
Officer
105DirectAcquisition (Non Open Market) at $25.85 per share.$2,714
30-Sep-08ARMSTRONG R STEPHEN
Officer
222DirectAcquisition (Non Open Market) at $25.85 per share.$5,738
30-Sep-08ASKEW LYNN E
Officer
175DirectAcquisition (Non Open Market) at $25.85 per share.$4,523
19-Sep-08SPROAT DAVID P
Officer
1,500DirectSale at $31.05 per share.$46,575
16-Sep-08ASKEW LYNN E
Officer
3,000DirectOption Exercise at $10.14 per share.$30,420
16-Sep-08ASKEW LYNN E
Officer
3,000DirectSale at $31.13 per share.$93,390
9-Sep-08BUCK JOHN D
Director
2,424DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Sep-08SLAVKIN HAROLD C
Director
2,424DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Sep-08LACY ANDRE B
Director
2,424DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Sep-08REICH CHARLES
Director
2,424DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Sep-08RUDNICK ELLEN A
Director
2,424DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Sep-08EZERSKI RONALD E
Director
2,424DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08HENRIQUES GEORGE L
Officer
934DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08THYGESEN JEROME E
Officer
808DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08SPROAT DAVID P
Officer
934DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08ANDERSON SCOTT P
Officer
934DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08WILTZ JAMES W
Officer
166DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08ARMSTRONG R STEPHEN
Officer
934DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08ASKEW LYNN E
Officer
922DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-08FRECHETTE PETER L
Director
166DirectAcquisition (Non Open Market) at $0 per share.N/A
30-Jun-08HENRIQUES GEORGE L
Officer
105DirectAcquisition (Non Open Market) at $24.98 per share.$2,622
30-Jun-08ARMSTRONG R STEPHEN
Officer
229DirectAcquisition (Non Open Market) at $24.98 per share.$5,720
30-Jun-08ASKEW LYNN E
Officer
180DirectAcquisition (Non Open Market) at $24.98 per share.$4,496
20-Jun-08PECKSKAMP DANIEL H.
Officer
1,000DirectPurchase at $31.79 per share.$31,790
17-Jun-08PECKSKAMP DANIEL H.
Officer
2,475DirectStatement of OwnershipN/A
5-Jun-08FRECHETTE PETER L
Director
97,250IndirectDisposition (Non Open Market) at $0 per share.N/A
1-May-08HENRIQUES GEORGE L
Officer
39DirectDisposition (Non Open Market) at $35.57 per share.$1,387
1-May-08SPROAT DAVID P
Officer
118DirectDisposition (Non Open Market) at $35.57 per share.$4,197
1-May-08ANDERSON SCOTT P
Officer
131DirectDisposition (Non Open Market) at $35.57 per share.$4,659
1-May-08WILTZ JAMES W
Officer
99DirectDisposition (Non Open Market) at $35.57 per share.$3,521
28-Apr-08HENRIQUES GEORGE L
Officer
3,800DirectAcquisition (Non Open Market) at $0 per share.N/A
28-Apr-08THYGESEN JEROME E
Officer
2,200DirectAcquisition (Non Open Market) at $0 per share.N/A
28-Apr-08SPROAT DAVID P
Officer
3,800DirectAcquisition (Non Open Market) at $0 per share.N/A
28-Apr-08ANDERSON SCOTT P
Officer
6,200DirectAcquisition (Non Open Market) at $0 per share.N/A
28-Apr-08WILTZ JAMES W
Officer
5,500DirectAcquisition (Non Open Market) at $0 per share.N/A
28-Apr-08ARMSTRONG R STEPHEN
Officer
2,550DirectAcquisition (Non Open Market) at $0 per share.N/A
28-Apr-08ASKEW LYNN E
Officer
1,550DirectAcquisition (Non Open Market) at $0 per share.N/A
31-Mar-08HENRIQUES GEORGE L
Officer
99DirectAcquisition (Non Open Market) at $28.14 per share.$2,785
31-Mar-08ARMSTRONG R STEPHEN
Officer
203DirectAcquisition (Non Open Market) at $28.14 per share.$5,712
31-Mar-08ASKEW LYNN E
Officer
160DirectAcquisition (Non Open Market) at $28.14 per share.$4,502
10-Mar-08ASKEW LYNN E
Officer
1,500DirectOption Exercise at $10.14 per share.$15,210
10-Mar-08ASKEW LYNN E
Officer
1,500DirectSale at $33.98 per share.$50,969
29-Feb-08JOHNSON GARY D
Officer
1,000DirectDisposition (Non Open Market) at $0 per share.N/A
28-Feb-08HENRIQUES GEORGE L
Officer
11,116DirectOption Exercise at $17.16 per share.$190,750
28-Feb-08HENRIQUES GEORGE L
Officer
11,116DirectSale at $36.37 per share.$404,288
28-Feb-08ARMSTRONG R STEPHEN
Officer
100DirectDisposition (Non Open Market) at $0 per share.N/A
28-Feb-08FRECHETTE PETER L
Director
80,242IndirectSale at $36.37 per share.$2,918,401
27-Feb-08FRECHETTE PETER L
Director
169,758IndirectSale at $36.55 per share.$6,204,654
2-Jan-08SPROAT DAVID P
Officer
224DirectDisposition (Non Open Market) at $33.10 per share.$7,414
2-Jan-08ANDERSON SCOTT P
Officer
189DirectDisposition (Non Open Market) at $33.10 per share.$6,255
2-Jan-08ARMSTRONG R STEPHEN
Officer
568DirectDisposition (Non Open Market) at $33.10 per share.$18,800
31-Dec-07HENRIQUES GEORGE L
Officer
90DirectAcquisition (Non Open Market) at $28.86 per share.$2,597
31-Dec-07THYGESEN JEROME E
Officer
68DirectAcquisition (Non Open Market) at $28.86 per share.$1,962
31-Dec-07ANDERSON SCOTT P
Officer
736DirectAcquisition (Non Open Market) at $25.46 per share.$18,738
31-Dec-07ARMSTRONG R STEPHEN
Officer
800DirectDisposition (Non Open Market) at $0 per share.N/A
31-Dec-07ARMSTRONG R STEPHEN
Officer
1,392DirectAcquisition (Non Open Market) at $25.46 - $28.86 per share.$38,0002
31-Dec-07ASKEW LYNN E
Officer
150DirectAcquisition (Non Open Market) at $28.86 per share.$4,329
21-Dec-07ASKEW LYNN E
Officer
4,500DirectOption Exercise at $10.14 per share.$45,630
21-Dec-07ASKEW LYNN E
Officer
4,500DirectSale at $33.39 per share.$150,255
4-Dec-07FRECHETTE PETER L
Director
250,000IndirectAcquisition (Non Open Market) at $0 per share.N/A
4-Dec-07FRECHETTE PETER L
Director
258,485DirectDisposition (Non Open Market) at $0 per share.N/A
1-Oct-07HENRIQUES GEORGE L
Officer
86DirectAcquisition (Non Open Market) at $30.13 per share.$2,591
1-Oct-07THYGESEN JEROME E
Officer
65DirectAcquisition (Non Open Market) at $30.13 per share.$1,958
1-Oct-07ARMSTRONG R STEPHEN
Officer
228DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Oct-07ASKEW LYNN E
Officer
144DirectAcquisition (Non Open Market) at $30.13 per share.$4,338
21-Sep-07ASKEW LYNN E
Officer
500DirectSale at $38.53 - $38.53 per share.$19,0002
18-Sep-07ANDERSON SCOTT P
Officer
175DirectDisposition (Non Open Market) at $0 per share.N/A
11-Sep-07BUCK JOHN D
Director
2,250DirectAcquisition (Non Open Market) at $0 per share.N/A
11-Sep-07SLAVKIN HAROLD C
Director
2,250DirectAcquisition (Non Open Market) at $0 per share.N/A
11-Sep-07LACY ANDRE B
Director
2,250DirectAcquisition (Non Open Market) at $0 per share.N/A
11-Sep-07REICH CHARLES
Director
2,250DirectAcquisition (Non Open Market) at $0 per share.N/A
11-Sep-07RUDNICK ELLEN A
Director
2,250DirectAcquisition (Non Open Market) at $0 per share.N/A
11-Sep-07EZERSKI RONALD E
Director
2,250DirectAcquisition (Non Open Market) at $0 per share.N/A
30-Jul-07ASKEW LYNN E
Officer
115DirectDisposition (Non Open Market) at $0 per share.N/A
2-Jul-07FRECHETTE PETER L
Director
176DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07ASKEW LYNN E
Officer
762DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07ARMSTRONG R STEPHEN
Officer
994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07WILTZ JAMES W
Officer
176DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07JOHNSON GARY D
Officer
994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07ANDERSON SCOTT P
Officer
994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07SPROAT DAVID P
Officer
994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-07HENRIQUES GEORGE L
Officer
994DirectAcquisition (Non Open Market) at $0 per share.N/A
29-Jun-07HENRIQUES GEORGE L
Officer
86DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$2,5912
29-Jun-07THYGESEN JEROME E
Officer
65DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$1,9582
29-Jun-07ARMSTRONG R STEPHEN
Officer
228DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$6,8692
29-Jun-07ARMSTRONG R STEPHEN
Officer
228DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$6,8692
29-Jun-07ASKEW LYNN E
Officer
144DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$4,3382
22-Jun-07SPROAT DAVID P
Officer
1,000DirectSale at $37.42 - $37.42 per share.$37,0002
22-Jun-07ASKEW LYNN E
Officer
400DirectSale at $37.08 - $37.08 per share.$15,0002
21-Jun-07FRECHETTE PETER L
Director
69,250IndirectDisposition (Non Open Market) at $0 per share.N/A
4-Jun-07FRECHETTE PETER L
Director
15,000DirectSale at $37.87 - $37.87 per share.$568,0002
1-Jun-07FRECHETTE PETER L
Director
15,000DirectSale at $37.50 - $37.5 per share.$563,0002
31-May-07FRECHETTE PETER L
Director
70,000DirectSale at $37.44 - $37.44 per share.$2,621,0002
30-May-07SLAVKIN HAROLD C
Director
24,000DirectOption Exercise at $23.94 - $27.86 per share.$622,0002
30-May-07SLAVKIN HAROLD C
Director
24,000DirectSale at $37.17 - $37.17 per share.$892,0002
7-May-07HENRIQUES GEORGE L
Officer
2,400DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07THYGESEN JEROME E
Officer
1,900DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07SPROAT DAVID P
Officer
2,400DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07ANDERSON SCOTT P
Officer
4,600DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07JOHNSON GARY D
Officer
2,400DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07WILTZ JAMES W
Officer
5,200DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07ARMSTRONG R STEPHEN
Officer
3,300DirectAcquisition (Non Open Market) at $0 per share.N/A
7-May-07ASKEW LYNN E
Officer
1,200DirectAcquisition (Non Open Market) at $0 per share.N/A
30-Mar-07ASKEW LYNN E
Officer
144DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$4,3382
30-Mar-07ARMSTRONG R STEPHEN
Officer
228DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$6,8692
30-Mar-07THYGESEN JEROME E
Officer
65DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$1,9582
30-Mar-07HENRIQUES GEORGE L
Officer
86DirectAcquisition (Non Open Market) at $30.13 - $30.13 per share.$2,5912
23-Mar-07ASKEW LYNN E
Officer
1,500DirectOption Exercise at $10.14 - $10.14 per share.$15,0002
23-Mar-07ASKEW LYNN E
Officer
1,500DirectSale at $33.07 - $33.07 per share.$50,0002
22-Mar-07EZERSKI RONALD E
Director
2,017,758IndirectAcquisition (Non Open Market) at $0 per share.N/A
22-Mar-07EZERSKI RONALD E
Director
2,017,758DirectDisposition (Non Open Market) at $0 per share.N/A
14-Mar-07FRECHETTE PETER L
Director
600,000IndirectDisposition (Non Open Market) at $0 per share.N/A
9-Mar-07WILTZ JAMES W
Officer
1,440DirectDisposition (Non Open Market) at $0 per share.N/A
9-Mar-07WILTZ JAMES W
Officer
1,440IndirectAcquisition (Non Open Market) at $0 per share.N/A
27-Feb-07REICH CHARLES
Director
1,500DirectPurchase at $33.31 - $33.31 per share.$50,0002
17-Jan-07FRECHETTE PETER L
Director
27,000DirectDisposition (Non Open Market) at $0 per share.N/A
3-Jan-07SPROAT DAVID P
Officer
827DirectDisposition (Non Open Market) at $35.45 - $35.45 per share.$29,0002
3-Jan-07ANDERSON SCOTT P
Officer
156DirectDisposition (Non Open Market) at $35.45 - $35.45 per share.$5,5302
3-Jan-07ARMSTRONG R STEPHEN
Officer
5,709DirectDisposition (Non Open Market) at $35.45 - $35.45 per share.$202,0002
29-Dec-06HENRIQUES GEORGE L
Officer
24DirectAcquisition (Non Open Market) at $28.37 - $28.37 per share.$6802
29-Dec-06SPROAT DAVID P
Officer
95DirectAcquisition (Non Open Market) at $28.37 - $28.37 per share.$2,6952
29-Dec-06ANDERSON SCOTT P
Officer
449DirectAcquisition (Non Open Market) at $25.04 - $25.04 per share.$11,0002
29-Dec-06ARMSTRONG R STEPHEN
Officer
1,288DirectAcquisition (Non Open Market) at $25.04 - $28.37 per share.$34,0002
29-Dec-06ASKEW LYNN E
Officer
147DirectAcquisition (Non Open Market) at $28.37 - $28.37 per share.$4,1702
22-Dec-06ASKEW LYNN E
Officer
3,500DirectOption Exercise at $10.14 - $10.14 per share.$35,0002
22-Dec-06ASKEW LYNN E
Officer
3,500DirectSale at $36.02 - $36.02 per share.$126,0002
21-Dec-06SPROAT DAVID P
Officer
200DirectDisposition (Non Open Market) at $0 per share.N/A
20-Dec-06EZERSKI RONALD E
Director
100DirectDisposition (Non Open Market) at $0 per share.N/A
12-Dec-06BUCK JOHN D
Director
1,000DirectPurchase at $37.03 - $37.03 per share.$37,0002
12-Dec-06FRECHETTE PETER L
Director
12,400DirectSale at $37 - $37 per share.$459,0002
11-Dec-06FRECHETTE PETER L
Director
27,600DirectSale at $37.67 - $37.67 per share.$1,040,0002
8-Dec-06FRECHETTE PETER L
Director
60,000DirectSale at $37.33 - $37.33 per share.$2,240,0002
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
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