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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in KLA CORP. Get notifications about new insider transactions in KLA CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Feb 01 2006	KLAC	KLA TENCOR CORP	MARKS MICHAEL E	Director	Option Exercise	A	51.98	1,250	64,975	1,250
Feb 01 2006	KLAC	KLA TENCOR CORP	URBANEK LIDA	Director	Option Exercise	A	51.98	1,250	64,975	1,250
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	M	22.25	7,500	166,875	0
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	M	10.63	22,000	233,860	0
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	M	10.63	10,000	106,300	22,000
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	M	10.63	10,000	106,300	32,000
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	M	10.63	2,813	29,902	42,000
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	M	10.63	2,500	26,575	44,813
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Sell	S	50.89	22,000	1,119,677	2,622	24.6 K to 2.6 K (-89.35 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Buy	M	10.63	22,000	233,860	24,622	2.6 K to 24.6 K (+839.05 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Sell	S	50.89	10,000	508,944	2,622	12.6 K to 2.6 K (-79.23 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Buy	M	10.63	10,000	106,300	12,622	2.6 K to 12.6 K (+381.39 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Sell	S	50.89	10,000	508,944	2,622	12.6 K to 2.6 K (-79.23 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Buy	M	10.63	10,000	106,300	12,622	2.6 K to 12.6 K (+381.39 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Sell	S	50.89	2,813	143,166	2,622	5.4 K to 2.6 K (-51.76 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Buy	M	10.63	2,813	29,902	5,435	2.6 K to 5.4 K (+107.28 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Sell	S	50.89	2,500	127,236	2,622	5.1 K to 2.6 K (-48.81 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Buy	M	10.63	2,500	26,575	5,122	2.6 K to 5.1 K (+95.35 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Sell	S	50.89	7,500	381,708	2,622	10.1 K to 2.6 K (-74.10 %)
Dec 16 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Buy	M	22.25	7,500	166,875	10,122	2.6 K to 10.1 K (+286.04 %)
Dec 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Gift	G	0.00	14	0	6,667	6.7 K to 6.7 K (-0.21 %)
Nov 30 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	16.97	28,864	489,822	56,032
Nov 30 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	16.97	21,136	358,678	84,896
Nov 30 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	51.74	28,864	1,493,371	162,658	191.5 K to 162.7 K (-15.07 %)
Nov 30 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	16.97	28,864	489,822	191,522	162.7 K to 191.5 K (+17.75 %)
Nov 30 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	51.74	21,136	1,093,539	162,658	183.8 K to 162.7 K (-11.50 %)
Nov 30 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	16.97	21,136	358,678	183,794	162.7 K to 183.8 K (+12.99 %)
Nov 30 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Sell	S	51.96	5,000	259,796	60,000	65 K to 60 K (-7.69 %)
Nov 22 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Option Exercise	M	37.05	5,000	185,250	0
Nov 22 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Option Exercise	M	37.05	5,000	185,250	5,000
Nov 22 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Sell	S	52.62	5,000	263,101	0	5 K to 0 (-100.00 %)
Nov 22 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Buy	M	37.05	5,000	185,250	5,000	0 to 5 K
Nov 22 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Sell	S	52.62	5,000	263,101	0	5 K to 0 (-100.00 %)
Nov 22 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Buy	M	37.05	5,000	185,250	5,000	0 to 5 K
Nov 22 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Option Exercise	M	51.35	2,500	128,375	0
Nov 22 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Sell	S	52.61	2,500	131,524	65,000	67.5 K to 65 K (-3.70 %)
Nov 22 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Buy	M	51.35	2,500	128,375	67,500	65 K to 67.5 K (+3.85 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	Hall Jeffrey	VP, Corporate Finan ...	Option Exercise	M	29.31	4,000	117,240	10,200
Nov 21 2005	KLAC	KLA TENCOR CORP	Hall Jeffrey	VP, Corporate Finan ...	Sell	S	51.12	4,000	204,480	1,791	5.8 K to 1.8 K (-69.07 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	Hall Jeffrey	VP, Corporate Finan ...	Buy	M	29.31	4,000	117,240	5,791	1.8 K to 5.8 K (+223.34 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	34.94	1,000	34,940	0
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	34.94	4,000	139,760	1,000
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	11.66	2,000	23,320	0
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	11.66	2,500	29,150	2,000
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	11.66	500	5,830	4,500
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	10.63	5,000	53,150	0
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	10.63	2,500	26,575	5,000
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	10.63	2,500	26,575	7,500
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	34.94	1,000	34,940	1,000	0 to 1,000
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	50.96	4,000	203,840	0	4 K to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	34.94	4,000	139,760	4,000	0 to 4 K
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	50.93	2,000	101,860	0	2 K to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	11.66	2,000	23,320	2,000	0 to 2 K
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	50.96	2,500	127,400	0	2.5 K to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	11.66	2,500	29,150	2,500	0 to 2.5 K
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	51.00	500	25,500	0	500 to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	11.66	500	5,830	500	0 to 500
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	51.00	5,000	255,000	0	5 K to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	10.63	5,000	53,150	5,000	0 to 5 K
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	51.03	2,500	127,575	0	2.5 K to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	10.63	2,500	26,575	2,500	0 to 2.5 K
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	51.04	2,500	127,600	0	2.5 K to 0 (-100.00 %)
Nov 21 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	10.63	2,500	26,575	2,500	0 to 2.5 K
Nov 08 2005	KLAC	KLA TENCOR CORP	URBANEK LIDA	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 08 2005	KLAC	KLA TENCOR CORP	URBANEK LIDA	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 18 2005	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Option Exercise	M	10.63	50,000	531,500	154,272
Nov 18 2005	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Sell	S	51.20	50,000	2,560,000	1,141	51.1 K to 1.1 K (-97.77 %)
Nov 18 2005	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Buy	M	10.63	50,000	531,500	51,141	1.1 K to 51.1 K (+4,382.12 %)
Nov 08 2005	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 07 2005	KLAC	KLA TENCOR CORP	TOMPKINS JON D	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 07 2005	KLAC	KLA TENCOR CORP	TOMPKINS JON D	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 07 2005	KLAC	KLA TENCOR CORP	MARKS MICHAEL E	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 07 2005	KLAC	KLA TENCOR CORP	MARKS MICHAEL E	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 07 2005	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 07 2005	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 07 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Option Exercise	A	49.99	2,500	124,975	3,750
Nov 07 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 07 2005	KLAC	KLA TENCOR CORP	BINGHAM H RAYMOND	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 07 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 07 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 04 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	16.97	50,000	848,500	106,032
Nov 04 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	49.50	50,000	2,475,130	162,658	212.7 K to 162.7 K (-23.51 %)
Nov 04 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	16.97	50,000	848,500	212,658	162.7 K to 212.7 K (+30.74 %)
Nov 07 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	A	49.99	1,250	62,488	1,250
Nov 07 2005	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Grant	A	0.00	1,000	0	1,000	0 to 1,000
Nov 03 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Option Exercise	M	10.63	7,000	74,410	10,000
Nov 03 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Sell	S	50.15	7,000	351,079	3,508	10.5 K to 3.5 K (-66.62 %)
Nov 03 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Buy	M	10.63	7,000	74,410	10,508	3.5 K to 10.5 K (+199.54 %)
Oct 20 2005	KLAC	KLA TENCOR CORP	NICHOLS STUART J	VP and General Coun ...	Grant	A	0.00	8,300	0	8,300	0 to 8.3 K
Sep 27 2005	KLAC	KLA TENCOR CORP	NICHOLS STUART J	VP and General Coun ...	Option Exercise	A	47.95	15,000	719,250	15,000
Sep 27 2005	KLAC	KLA TENCOR CORP	Hall Jeffrey	VP, Corporate Finan ...	Option Exercise	A	47.95	30,000	1,438,500	30,000
Sep 27 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Option Exercise	A	47.95	75,000	3,596,250	75,000
Sep 27 2005	KLAC	KLA TENCOR CORP	COHEN AVI	VP, Pattern Solutio ...	Option Exercise	A	47.95	75,000	3,596,250	75,000
Sep 27 2005	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President & COO	Option Exercise	A	47.95	125,000	5,993,750	125,000
Sep 27 2005	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President & COO	Grant	A	0.00	25,000	0	66,111	41.1 K to 66.1 K (+60.81 %)
Sep 27 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	A	47.95	75,000	3,596,250	75,000
Sep 27 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	A	47.95	75,800	3,634,610	75,800
Sep 27 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	A	47.95	175,000	8,391,250	250,000
Sep 27 2005	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	A	47.95	75,000	3,596,250	75,000
Sep 27 2005	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Option Exercise	A	47.95	15,000	719,250	15,000
Sep 21 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Option Exercise	M	37.05	5,000	185,250	0
Sep 21 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Option Exercise	M	37.05	5,000	185,250	5,000
Sep 21 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Sell	S	50.61	5,000	253,068	2,000	7 K to 2 K (-71.43 %)
Sep 21 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Buy	M	37.05	5,000	185,250	7,000	2 K to 7 K (+250.00 %)
Sep 21 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Sell	S	50.61	5,000	253,068	2,000	7 K to 2 K (-71.43 %)
Sep 21 2005	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Buy	M	37.05	5,000	185,250	7,000	2 K to 7 K (+250.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	37.05	6,875	254,719	5,625
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	34.67	13,750	476,713	11,250
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	33.75	1,875	63,281	0
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	32.75	8,000	262,000	2,667
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	29.31	24,000	703,440	14,000
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	26.25	8,000	210,000	1,000
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	10.63	1,167	12,405	0
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	10.63	2,534	26,936	1,167
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	10.63	299	3,178	3,701
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	10.63	1,000	10,630	4,000
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	13,750	694,497	0	13.8 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	34.67	13,750	476,713	13,750	0 to 13.8 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	6,875	347,249	0	6.9 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	37.05	6,875	254,719	6,875	0 to 6.9 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	24,000	1,212,214	0	24 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	29.31	24,000	703,440	24,000	0 to 24 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	8,000	404,071	0	8 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	32.75	8,000	262,000	8,000	0 to 8 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	8,000	404,071	0	8 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	26.25	8,000	210,000	8,000	0 to 8 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	1,875	94,704	0	1.9 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	33.75	1,875	63,281	1,875	0 to 1.9 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	1,167	58,944	0	1.2 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	10.63	1,167	12,405	1,167	0 to 1.2 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	2,534	127,990	0	2.5 K to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	10.63	2,534	26,936	2,534	0 to 2.5 K
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	299	15,102	0	299 to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	10.63	299	3,178	299	0 to 299
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	50.51	1,000	50,509	0	1,000 to 0 (-100.00 %)
Sep 19 2005	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	10.63	1,000	10,630	1,000	0 to 1,000
Sep 14 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Option Exercise	M	10.63	5,000	53,150	17,000
Sep 14 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Sell	S	50.21	5,000	251,050	3,508	8.5 K to 3.5 K (-58.77 %)
Sep 14 2005	KLAC	KLA TENCOR CORP	Glasser Lance A	Executive Vice Pres ...	Buy	M	10.63	5,000	53,150	8,508	3.5 K to 8.5 K (+142.53 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Option Exercise	M	44.76	2,500	111,900	0
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Option Exercise	M	40.68	2,500	101,700	0
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Option Exercise	M	40.24	100	4,024	0
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Option Exercise	M	40.24	2,400	96,576	100
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Sell	S	49.36	100	4,936	65,000	65.1 K to 65 K (-0.15 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Buy	M	40.24	100	4,024	65,100	65 K to 65.1 K (+0.15 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Sell	S	49.34	2,400	118,416	65,000	67.4 K to 65 K (-3.56 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Buy	M	40.24	2,400	96,576	67,400	65 K to 67.4 K (+3.69 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Sell	S	49.36	2,500	123,400	65,000	67.5 K to 65 K (-3.70 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Buy	M	44.76	2,500	111,900	67,500	65 K to 67.5 K (+3.85 %)
Sep 06 2005	KLAC	KLA TENCOR CORP	ELKUS RICHARD J JR	Director	Sell	S	49.36	2,500	123,400	65,000	67.5 K to 65 K (-3.70 %)

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