Insider: Matthew Wichmann McCullough

Issuer Name: Cameco Corporation
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance
2010051010 May, 10 2010030505 Mar, 10 Direct Ownership : Options (Common Shares) 51 - Exercise of options -4,200 0 30,306
2010031010 Mar, 10 2010030505 Mar, 10 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market -2,400 28.23 2,432
2010031010 Mar, 10 2010030505 Mar, 10 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market -1,800 28.22 632
2010030505 Mar, 10 2010030505 Mar, 10 Direct Ownership : Common Shares 51 - Exercise of options 4,200 10.513 4,832
2010030505 Mar, 10 2010030505 Mar, 10 Direct Ownership : Options (Common Shares) 51 - Exercise of options -4,200 0 0
2010030404 Mar, 10 2010030101 Mar, 10 Direct Ownership : Options (Common Shares) 50 - Grant of options 3,600 0 34,506
2010011515 Jan, 10 2009123131 Dec, 09 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 274 26.36 632
2009032323 Mar, 09 2009031616 Mar, 09 Direct Ownership : Options (Common Shares) 50 - Grant of options 2,700 0 30,906
2009011616 Jan, 09 2008123131 Dec, 08 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 232 30.74 358
2008060303 Jun, 08 2008021515 Feb, 08 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 126 46.13 126
2008032525 Mar, 08 2007123131 Dec, 07 Direct Ownership : Common Shares 30 - Acquisition or disposition under a purchase/ownership plan 126 46.13 0
2008032525 Mar, 08 2008021515 Feb, 08 Direct Ownership : Common Shares 00 - Opening Balance-Initial SEDI Report 0 0 0
2008031010 Mar, 08 2008030404 Mar, 08 Direct Ownership : Options (Common Shares) 50 - Grant of options 2,700 0 28,206
2008022020 Feb, 08 2008021515 Feb, 08 Direct Ownership : Options (Common Shares) 00 - Opening Balance-Initial SEDI Report 0 0 25,506
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance