X0202 4 2006-11-17 0000790705 TEKELEC TKLC 0001236881 BUCKLY RONALD W C/O TEKELEC 5200 PARAMOUNT PARKWAY MORRISVILLE NC 27560 0 1 0 0 Senior V.P. (see Remarks) Common Stock 2006-11-17 4 S 0 2000 16.052 D 23618 D Common Stock 2006-11-17 4 S 0 2000 16.14 D 21618 D Common Stock 2006-11-17 4 S 0 3000 16.15 D 18618 D Reporting Person is an Officer of the Issuer and his full title is: Senior Vice President, Corporate Affairs, General Counsel and Corporate Secretary. Ronald W. Buckly 2006-11-21