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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
Aug 25 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	10.63	50,000	531,500	129,272
Aug 25 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	57.81	50,000	2,890,445	211,230	261.2 K to 211.2 K (-19.14 %)
Aug 25 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	10.63	50,000	531,500	261,230	211.2 K to 261.2 K (+23.67 %)
Aug 22 2003	KLAC	KLA TENCOR CORP	TOMPKINS JON D	Director	Sell	S	57.80	5,000	289,000	26,416	31.4 K to 26.4 K (-15.92 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	33.75	18,667	630,011	5,041
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	32.75	291	9,530	9,334
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	29.31	750	21,983	28,500
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	26.25	292	7,665	7,875
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	54.82	750	41,115	2,279	3 K to 2.3 K (-24.76 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	29.31	750	21,983	3,029	2.3 K to 3 K (+32.91 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	54.82	291	15,953	2,279	2.6 K to 2.3 K (-11.32 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	32.75	291	9,530	2,570	2.3 K to 2.6 K (+12.77 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	54.82	292	16,007	2,279	2.6 K to 2.3 K (-11.36 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	26.25	292	7,665	2,571	2.3 K to 2.6 K (+12.81 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	54.82	18,667	1,023,325	2,279	20.9 K to 2.3 K (-89.12 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	33.75	18,667	630,011	20,946	2.3 K to 20.9 K (+819.09 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	44.69	25,972	1,160,624	8,658
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	44.69	5,370	239,972	0
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	33.75	18,790	634,163	1,875
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	32.75	9,333	305,656	10,667
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	29.31	22,000	644,820	38,000
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	26.25	11,000	288,750	9,000
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	10.63	2,000	21,260	5,000
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Option Exercise	M	10.63	535	5,687	7,000
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	22,000	1,232,000	6,277	28.3 K to 6.3 K (-77.80 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	29.31	22,000	644,820	28,277	6.3 K to 28.3 K (+350.49 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	9,333	522,648	6,277	15.6 K to 6.3 K (-59.79 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	32.75	9,333	305,656	15,610	6.3 K to 15.6 K (+148.69 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	11,000	616,000	6,277	17.3 K to 6.3 K (-63.67 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	26.25	11,000	288,750	17,277	6.3 K to 17.3 K (+175.24 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	25,972	1,454,432	6,277	32.2 K to 6.3 K (-80.54 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	44.69	25,972	1,160,624	32,249	6.3 K to 32.2 K (+413.76 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	5,370	300,720	6,277	11.6 K to 6.3 K (-46.11 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	44.69	5,370	239,972	11,647	6.3 K to 11.6 K (+85.55 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	18,790	1,052,240	6,277	25.1 K to 6.3 K (-74.96 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	33.75	18,790	634,163	25,067	6.3 K to 25.1 K (+299.35 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	2,000	112,000	6,277	8.3 K to 6.3 K (-24.16 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	10.63	2,000	21,260	8,277	6.3 K to 8.3 K (+31.86 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Sell	S	56.00	535	29,960	6,277	6.8 K to 6.3 K (-7.85 %)
Aug 21 2003	KLAC	KLA TENCOR CORP	KISPERT JOHN H	Chief Financial Off ...	Buy	M	10.63	535	5,687	6,812	6.3 K to 6.8 K (+8.52 %)
Aug 19 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	10.81	25,000	270,250	0
Aug 19 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	10.63	25,000	265,750	179,272
Aug 19 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	54.45	25,000	1,361,343	211,230	236.2 K to 211.2 K (-10.58 %)
Aug 19 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	10.63	25,000	265,750	0	-25,000 to 0 (-100.00 %)
Aug 19 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	54.45	25,000	1,361,343	0	25 K to 0 (-100.00 %)
Aug 19 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	10.81	25,000	270,250	0	-25,000 to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Option Exercise	M	16.97	12,393	210,309	22,365
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Option Exercise	M	16.97	2,264	38,420	0
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Option Exercise	M	16.97	9,622	163,285	0
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Option Exercise	M	10.63	8,221	87,389	0
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Option Exercise	M	10.63	7,500	79,725	0
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Sell	S	54.26	8,221	446,033	5,949	14.2 K to 5.9 K (-58.02 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Buy	M	10.63	8,221	87,389	0	-8,221 to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Sell	S	54.29	12,393	672,848	0	12.4 K to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Buy	M	16.97	12,393	210,309	0	-12,393 to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Sell	S	54.26	2,264	122,853	0	2.3 K to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Buy	M	16.97	2,264	38,420	0	-2,264 to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Sell	S	54.26	9,622	522,043	0	9.6 K to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Buy	M	16.97	9,622	163,285	0	-9,622 to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Sell	S	54.28	7,500	407,086	0	7.5 K to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	DICKERSON GARY E	President and COO	Buy	M	10.63	7,500	79,725	0	-7,500 to 0 (-100.00 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	10.81	25,000	270,250	25,000
Aug 18 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	52.00	25,000	1,300,023	211,230	236.2 K to 211.2 K (-10.58 %)
Aug 18 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	10.81	25,000	270,250	0	-25,000 to 0 (-100.00 %)
Aug 14 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	10.81	25,000	270,250	50,000
Aug 14 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	52.00	25,000	1,300,000	211,230	236.2 K to 211.2 K (-10.58 %)
Aug 14 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	10.81	25,000	270,250	0	-25,000 to 0 (-100.00 %)
Aug 06 2003	KLAC	KLA TENCOR CORP	URBANEK LIDA	Director	Sell	S	50.63	300	15,189	30,924	31.2 K to 30.9 K (-0.96 %)
Aug 06 2003	KLAC	KLA TENCOR CORP	URBANEK LIDA	Director	Sell	S	50.71	700	35,497	0	700 to 0 (-100.00 %)
Aug 04 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	10.81	50,000	540,500	75,000
Aug 04 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	52.25	50,000	2,612,500	211,230	261.2 K to 211.2 K (-19.14 %)
Aug 04 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	10.81	50,000	540,500	0	-50,000 to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	A	51.23	12,500	640,363	12,500
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	33.75	1,292	43,605	23,708
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	32.75	4,207	137,779	9,625
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	29.31	13,918	407,937	29,250
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Option Exercise	M	26.25	583	15,304	8,167
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	52.63	13,918	732,470	1,662	15.6 K to 1.7 K (-89.33 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	29.31	13,918	407,937	0	-13,918 to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	52.63	4,207	221,404	0	4.2 K to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	32.75	4,207	137,779	0	-4,207 to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	52.63	583	30,682	0	583 to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	26.25	583	15,304	0	-583 to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Sell	S	52.63	1,292	67,995	0	1.3 K to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	Executive Vice Pres ...	Buy	M	33.75	1,292	43,605	0	-1,292 to 0 (-100.00 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	A	51.23	18,950	970,790	18,950
Aug 01 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	A	51.23	12,500	640,363	12,500
Aug 01 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Option Exercise	M	9.31	24,100	224,371	0
Aug 01 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Sell	S	52.75	24,100	1,271,347	194,135	218.2 K to 194.1 K (-11.04 %)
Aug 01 2003	KLAC	KLA TENCOR CORP	SCHROEDER KENNETH L	Chief Executive Off ...	Buy	M	9.31	24,100	224,371	0	-24,100 to 0 (-100.00 %)
Jul 31 2003	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Option Exercise	A	51.23	7,863	402,814	7,863
Jul 31 2003	KLAC	KLA TENCOR CORP	LEVY KENNETH	Chairman of the Boa ...	Option Exercise	A	51.23	7,863	402,814	7,863
Jul 31 2003	KLAC	KLA TENCOR CORP	NICHOLS STUART J	General Counsel	Option Exercise	A	51.23	3,250	166,494	3,250
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Option Exercise	M	32.75	10,125	331,594	12,375
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Option Exercise	M	29.31	15,750	461,633	29,250
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Option Exercise	M	26.25	5,250	137,813	10,500
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Option Exercise	M	10.63	2,167	23,035	0
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Option Exercise	M	10.63	1,875	19,931	0
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Option Exercise	M	10.63	625	6,644	0
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Sell	S	51.28	15,750	807,660	4,713	20.5 K to 4.7 K (-76.97 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Buy	M	29.31	15,750	461,633	0	-15,750 to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Sell	S	51.28	10,125	519,210	0	10.1 K to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Buy	M	32.75	10,125	331,594	0	-10,125 to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Sell	S	51.28	5,250	269,220	0	5.3 K to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Buy	M	26.25	5,250	137,813	0	-5,250 to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Sell	S	51.28	2,167	111,124	0	2.2 K to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Buy	M	10.63	2,167	23,035	0	-2,167 to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Sell	S	51.28	1,875	96,150	0	1.9 K to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Buy	M	10.63	1,875	19,931	0	-1,875 to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Sell	S	51.28	625	32,050	0	625 to 0 (-100.00 %)
Jul 30 2003	KLAC	KLA TENCOR CORP	FORTINO DENNIS J	Executive Vice Pres ...	Buy	M	10.63	625	6,644	0	-625 to 0 (-100.00 %)

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