X0508 4 2026-03-10 0 0000886346 KADANT INC KAI 0001251663 MCKENNEY MICHAEL J KADANT INC. ONE TECHNOLOGY PARK DRIVE WESTFORD MA 01886 0 1 0 0 Executive Vice President & CFO 0 Common Stock 12966.009 D Restricted Stock Unit 0 2026-03-10 4 A 0 2367 0 A 2029-04-30 Common Stock 2367 2367 D Restricted Stock Unit 0 2026-03-10 4 A 0 592 0 A 2029-04-30 Common Stock 592 592 D Includes 72 shares acquired in an exempt transaction pursuant to the Issuer's Employee's Stock Purchse Plan on December 30, 2025. Each Restricted Stock Unit ("RSU") represents the right to receive one share of the issuer's common stock. The RSU vests and is distributable in three equal installments beginning on March 10, 2027, provided that the Issuer meets certain performance requirements for fiscal 2026 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 RSU vests and becomes exercisable in three annual installments beginning on March 10, 2027, provided the reporting person is employed by the Issuer on the vesting date. /s/ Stacy D. Krause, by power of attorney 2026-03-10