X0303 4 2010-03-03 0 0000886346 KADANT INC KAI 0001251663 MCKENNEY MICHAEL J ONE TECHNOLOGY PARK DRIVE WESTFORD MA 01886 0 1 0 0 VICE PRESIDENT, FINANCE & CAO Common Stock 10363.009 D Restricted Stock Unit 0 2010-03-03 4 A 0 2907 0 A 2013-03-10 Common Stock 2907 2907 D Stock Option (Right to Buy) 14.17 2010-03-03 4 A 0 6783 0 A 2020-03-03 Common stock 6783 6783 D Includes 6.648 shares acquired in an exempt transaction pursuant to the Issuer's 401(k) plan on March 2, 2010. Each Restricted Stock Unit ("RSU") represents the right to receive one share of the issuer's common stock. The RSU vests in three equal annual installations beginning on March 10, 2011, provided that the issuer meets certain performance requirements for fiscal 2010 and the reporting person is employed by the issuer on the vesting date. The maximum number of shares the reporting person may receive is 150% of the RSU amount. This stock option vests and becomes exercisable in three equal annual installments beginning on March 3, 2011, provided the reporting person is employed by the issuer on the vesting date. by Sandra L. Lambert for Michael J. McKenney 2010-03-05