X0202 4 2007-03-06 0 0000886346 KADANT INC KAI 0001252944 SINDONI EDWARD J KADANT INC. ONE TECHNOLOGY PARK DRIVE WESTFORD MA 01886 0 1 0 0 EXECUTIVE VP AND COO Common Stock 2007-03-06 4 M 0 2200 14.50 A 21782 D Common Stock 2007-03-06 4 S 0 2200 22.50 D 19582 D Common Stock 2007-03-06 4 M 0 300 14.50 A 19882 D Common Stock 2007-03-06 4 S 0 300 22.46 D 19582 D Common Stock 2007-03-06 4 M 0 500 14.50 A 20082 D Common Stock 2007-03-06 4 S 0 500 22.45 D 19582 D Common Stock 2007-03-06 4 M 0 800 14.50 A 20382 D Common Stock 2007-03-06 4 S 0 800 22.42 D 19582 D Common Stock 2007-03-06 4 M 0 400 14.50 A 19982 D Common Stock 2007-03-06 4 S 0 400 22.41 D 19582 D Common Stock 2007-03-06 4 M 0 1600 14.50 A 21182 D Common Stock 2007-03-06 4 S 0 1600 22.40 D 19582 D Common Stock 2007-03-06 4 M 0 200 14.50 A 19782 D Common Stock 2007-03-06 4 S 0 200 22.39 D 19582 D Common Stock 2007-03-06 4 M 0 100 14.50 A 19682 D Common Stock 2007-03-06 4 S 0 100 22.38 D 19582 D Common Stock 2007-03-06 4 M 0 100 14.50 A 19682 D Common Stock 2007-03-06 4 S 0 100 22.37 D 19582 D Common Stock 2007-03-06 4 M 0 200 14.50 A 19782 D Common Stock 2007-03-06 4 S 0 200 22.35 D 19582 D Common Stock 2007-03-06 4 M 0 1500 14.50 A 21082 D Employee Stock Option (Right To Buy) 14.50 2007-03-06 4 M 0 7900 0 D 2003-01-02 2009-01-02 Common Stock 7900 35000 D THE TRANSACTIONS REPORTED ON THIS FORM 4 WERE EXECUTED PURSUANT TO A RULE 10b-5-1 TRADING PLAN by Sandra L. Lambert for Edward J. Sindoni 2007-03-08