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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
Jan 31 2013	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	51.98	1,250	64,975	5,059	3.8 K to 5.1 K (+32.82 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	55.35	2,500	138,383	3,809	6.3 K to 3.8 K (-39.63 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	40.68	2,500	101,700	6,309	3.8 K to 6.3 K (+65.63 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Option Exercise	M	41.45	1,250	51,813	0
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Option Exercise	M	47.86	1,250	59,825	0
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Option Exercise	M	51.98	1,250	64,975	0
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Sell	S	55.73	1,250	69,666	3,539	4.8 K to 3.5 K (-26.10 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Buy	M	41.45	1,250	51,813	4,789	3.5 K to 4.8 K (+35.32 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Sell	S	55.74	1,250	69,669	3,539	4.8 K to 3.5 K (-26.10 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Buy	M	47.86	1,250	59,825	4,789	3.5 K to 4.8 K (+35.32 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Sell	S	55.75	1,250	69,681	3,539	4.8 K to 3.5 K (-26.10 %)
Jan 31 2013	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Buy	M	51.98	1,250	64,975	4,789	3.5 K to 4.8 K (+35.32 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Option Exercise	M	51.23	12,500	640,363	0
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Option Exercise	M	52.53	50,000	2,626,500	0
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	53.69	50,000	2,684,500	48,840	98.8 K to 48.8 K (-50.59 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Buy	M	52.53	50,000	2,626,500	98,840	48.8 K to 98.8 K (+102.38 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	56.31	12,500	703,875	48,840	61.3 K to 48.8 K (-20.38 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Buy	M	51.23	12,500	640,363	61,340	48.8 K to 61.3 K (+25.59 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	56.02	11,660	653,193	48,840	60.5 K to 48.8 K (-19.27 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Sell	S	55.65	15,436	859,072	1,192	16.6 K to 1.2 K (-92.83 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Sell	S	56.45	22,763	1,284,971	561	23.3 K to 561 (-97.59 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Option Exercise	M	51.23	3,250	166,494	0
Jan 29 2013	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	56.00	3,250	182,000	23,274	26.5 K to 23.3 K (-12.25 %)
Jan 29 2013	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Buy	M	51.23	3,250	166,494	26,524	23.3 K to 26.5 K (+13.96 %)
Jan 08 2013	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	48.70	177	8,620	297	474 to 297 (-37.34 %)
Nov 16 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	44.81	3,338	149,576	60,500	63.8 K to 60.5 K (-5.23 %)
Nov 13 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Payment of Exercise	F	46.24	9,336	431,697	23,293	32.6 K to 23.3 K (-28.61 %)
Nov 13 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Grant	A	0.00	20,000	0	32,629	12.6 K to 32.6 K (+158.37 %)
Nov 09 2012	KLAC	KLA TENCOR CORP	Wang David C	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	PATEL KIRAN M	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	KENNEDY KEVIN	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	Higashi Emiko	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	DICKSON JOHN T	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	CALDERONI ROBERT	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 09 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Grant	A	0.00	3,836	0	3,836	0 to 3.8 K
Nov 09 2012	KLAC	KLA TENCOR CORP	AKINS ROBERT P	Director	Grant	A	0.00	2,558	0	2,558	0 to 2.6 K
Nov 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	48.34	4,647	224,655	23,243	27.9 K to 23.2 K (-16.66 %)
Sep 11 2012	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Option Exercise	M	49.99	1,250	62,488	0
Sep 11 2012	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Sell	S	52.69	1,250	65,865	11,224	12.5 K to 11.2 K (-10.02 %)
Sep 11 2012	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Buy	M	49.99	1,250	62,488	12,474	11.2 K to 12.5 K (+11.14 %)
Aug 16 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	52.62	20,000	1,052,476	63,838	83.8 K to 63.8 K (-23.86 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Payment of Exercise	F	52.10	3,329	173,441	12,629	16 K to 12.6 K (-20.86 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Grant	A	0.00	9,075	0	15,958	6.9 K to 16 K (+131.85 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Payment of Exercise	F	52.10	3,329	173,441	6,883	10.2 K to 6.9 K (-32.60 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Grant	A	0.00	9,075	0	10,212	1.1 K to 10.2 K (+798.15 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Payment of Exercise	F	52.10	12,324	642,080	83,838	96.2 K to 83.8 K (-12.82 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Grant	A	0.00	26,400	0	96,162	69.8 K to 96.2 K (+37.84 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Payment of Exercise	F	52.10	11,579	603,266	69,762	81.3 K to 69.8 K (-14.24 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Grant	A	0.00	26,400	0	81,341	54.9 K to 81.3 K (+48.05 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Grant	A	0.00	7,300	0	62,550	55.3 K to 62.6 K (+13.21 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Grant	A	0.00	9,900	0	55,250	45.4 K to 55.3 K (+21.83 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	52.31	5,666	296,363	297	6 K to 297 (-95.02 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Payment of Exercise	F	52.10	1,468	76,483	5,963	7.4 K to 6 K (-19.76 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	4,000	0	7,431	3.4 K to 7.4 K (+116.58 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Payment of Exercise	F	52.10	908	47,307	3,431	4.3 K to 3.4 K (-20.93 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	2,475	0	4,339	1.9 K to 4.3 K (+132.78 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Payment of Exercise	F	52.10	908	47,307	1,864	2.8 K to 1.9 K (-32.76 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	2,475	0	2,772	297 to 2.8 K (+833.33 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Payment of Exercise	F	52.10	2,752	143,379	16,628	19.4 K to 16.6 K (-14.20 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Grant	A	0.00	7,500	0	19,380	11.9 K to 19.4 K (+63.13 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Payment of Exercise	F	52.10	1,816	94,614	11,880	13.7 K to 11.9 K (-13.26 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Grant	A	0.00	4,950	0	13,696	8.7 K to 13.7 K (+56.60 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Payment of Exercise	F	52.10	1,816	94,614	8,746	10.6 K to 8.7 K (-17.19 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Grant	A	0.00	4,950	0	10,562	5.6 K to 10.6 K (+88.20 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	52.26	4,647	242,838	27,890	32.5 K to 27.9 K (-14.28 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Payment of Exercise	F	52.10	5,502	286,654	32,537	38 K to 32.5 K (-14.46 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Grant	A	0.00	15,000	0	38,039	23 K to 38 K (+65.11 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Payment of Exercise	F	52.10	3,852	200,689	23,039	26.9 K to 23 K (-14.32 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Grant	A	0.00	8,250	0	26,891	18.6 K to 26.9 K (+44.26 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Payment of Exercise	F	52.10	3,554	185,163	18,641	22.2 K to 18.6 K (-16.01 %)
Aug 07 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Grant	A	0.00	8,250	0	22,195	13.9 K to 22.2 K (+59.16 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Grant	A	0.00	11,500	0	122,550	111.1 K to 122.6 K (+10.36 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Grant	A	0.00	18,150	0	111,050	92.9 K to 111.1 K (+19.54 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	11,000	0	39,600	28.6 K to 39.6 K (+38.46 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	4,950	0	28,600	23.7 K to 28.6 K (+20.93 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Grant	A	0.00	31,300	0	133,500	102.2 K to 133.5 K (+30.63 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Grant	A	0.00	16,500	0	102,200	85.7 K to 102.2 K (+19.25 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Grant	A	0.00	47,100	0	301,300	254.2 K to 301.3 K (+18.53 %)
Aug 03 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Grant	A	0.00	52,800	0	254,200	201.4 K to 254.2 K (+26.22 %)
Aug 02 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Option Exercise	M	34.67	542	18,791	0
Aug 02 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Option Exercise	M	47.95	17,000	815,150	0
Aug 02 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	51.15	17,542	897,217	13,945	31.5 K to 13.9 K (-55.71 %)
Aug 02 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Buy	M	34.67	542	18,791	31,487	30.9 K to 31.5 K (+1.75 %)
Aug 02 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Buy	M	47.95	17,000	815,150	30,945	13.9 K to 30.9 K (+121.91 %)
Jul 06 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	48.60	348	16,913	297	645 to 297 (-53.95 %)
Jul 03 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	49.07	1,394	68,404	13,945	15.3 K to 13.9 K (-9.09 %)
May 16 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	49.90	20,000	997,988	54,415	74.4 K to 54.4 K (-26.88 %)
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	49.99	1,250	62,488	0
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	51.35	2,500	128,375	0
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	37.05	5,000	185,250	0
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Option Exercise	M	37.05	5,000	185,250	0
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Sell	S	51.82	13,750	712,525	39,167	52.9 K to 39.2 K (-25.98 %)
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	49.99	1,250	62,488	52,917	51.7 K to 52.9 K (+2.42 %)
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	51.35	2,500	128,375	51,667	49.2 K to 51.7 K (+5.08 %)
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	37.05	5,000	185,250	49,167	44.2 K to 49.2 K (+11.32 %)
May 03 2012	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Buy	M	37.05	5,000	185,250	44,167	39.2 K to 44.2 K (+12.77 %)
May 08 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	49.53	2,532	125,410	297	2.8 K to 297 (-89.50 %)
May 08 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Payment of Exercise	F	49.86	1,468	73,194	2,829	4.3 K to 2.8 K (-34.16 %)
May 08 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	4,000	0	4,297	297 to 4.3 K (+1,346.80 %)
May 02 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	52.06	5,881	306,193	14,844	20.7 K to 14.8 K (-28.38 %)
Apr 27 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Option Exercise	M	45.16	1,267	57,218	0
Apr 27 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	55.16	1,267	69,888	297	1.6 K to 297 (-81.01 %)
Apr 27 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Buy	M	45.16	1,267	57,218	1,564	297 to 1.6 K (+426.60 %)
Mar 27 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	54.00	11,660	629,640	74,415	86.1 K to 74.4 K (-13.55 %)
Mar 21 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Option Exercise	M	47.95	27,084	1,298,678	0
Mar 21 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	52.75	27,084	1,428,681	86,075	113.2 K to 86.1 K (-23.93 %)
Mar 21 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Buy	M	47.95	27,084	1,298,678	113,159	86.1 K to 113.2 K (+31.47 %)
Feb 17 2012	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Option Exercise	M	37.05	5,000	185,250	0
Feb 17 2012	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Option Exercise	M	37.05	5,000	185,250	0
Feb 17 2012	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Sell	S	50.59	10,000	505,868	16,224	26.2 K to 16.2 K (-38.13 %)
Feb 17 2012	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Buy	M	37.05	10,000	370,500	26,224	16.2 K to 26.2 K (+61.64 %)
Feb 03 2012	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	51.73	5,880	304,175	20,725	26.6 K to 20.7 K (-22.10 %)
Feb 03 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	52.00	11,660	606,320	86,075	97.7 K to 86.1 K (-11.93 %)
Feb 01 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Option Exercise	M	40.14	1,000	40,140	0
Feb 01 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	51.54	21,000	1,082,435	97,735	118.7 K to 97.7 K (-17.69 %)
Feb 01 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Buy	M	40.14	1,000	40,140	118,735	117.7 K to 118.7 K (+0.85 %)
Jan 30 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Option Exercise	M	47.95	10,000	479,500	0
Jan 30 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	52.95	10,000	529,500	297	10.3 K to 297 (-97.12 %)
Jan 30 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Buy	M	47.95	10,000	479,500	10,297	297 to 10.3 K (+3,367.00 %)
Jan 30 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Option Exercise	M	47.95	97,916	4,695,072	27,084
Jan 30 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	52.75	97,916	5,165,069	117,735	215.7 K to 117.7 K (-45.40 %)
Jan 30 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Buy	M	47.95	97,916	4,695,072	215,651	117.7 K to 215.7 K (+83.17 %)
Jan 20 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Option Exercise	M	40.66	760	30,902	0
Jan 20 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	50.66	760	38,502	297	1.1 K to 297 (-71.90 %)
Jan 20 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Buy	M	40.66	760	30,902	1,057	297 to 1.1 K (+255.89 %)
Jan 20 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	50.00	13,166	658,300	297	13.5 K to 297 (-97.79 %)
Jan 20 2012	KLAC	KLA TENCOR CORP	WALLACE RICHARD P	President and CEO	Sell	S	49.75	16,662	828,935	117,735	134.4 K to 117.7 K (-12.40 %)
Jan 09 2012	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	46.85	204	9,557	13,463	13.7 K to 13.5 K (-1.49 %)
Jan 05 2012	KLAC	KLA TENCOR CORP	DENTINGER MARK P	EVP & Chief Financi ...	Sell	S	48.72	677	32,983	642	1.3 K to 642 (-51.33 %)
Dec 01 2011	KLAC	KLA TENCOR CORP	Martin Brian	Executive VP & Gene ...	Sell	S	45.74	9,500	434,502	5,399	14.9 K to 5.4 K (-63.76 %)
Dec 08 2011	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Option Exercise	M	39.35	2,500	98,375	0
Dec 08 2011	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Sell	S	49.35	2,500	123,375	13,463	16 K to 13.5 K (-15.66 %)
Dec 08 2011	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Buy	M	39.35	2,500	98,375	15,963	13.5 K to 16 K (+18.57 %)
Nov 17 2011	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Sell	S	47.30	1,394	65,936	26,534	27.9 K to 26.5 K (-4.99 %)
Nov 17 2011	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Payment of Exercise	F	48.42	4,882	236,386	27,928	32.8 K to 27.9 K (-14.88 %)
Nov 17 2011	KLAC	KLA TENCOR CORP	Bell Bobby R	Executive Vice Pres ...	Grant	A	0.00	10,458	0	32,810	22.4 K to 32.8 K (+46.79 %)
Nov 17 2011	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Payment of Exercise	F	48.42	1,270	61,493	13,463	14.7 K to 13.5 K (-8.62 %)
Nov 17 2011	KLAC	KLA TENCOR CORP	Kirloskar Virendra A	SVP & Chief Account ...	Grant	A	0.00	3,000	0	14,733	11.7 K to 14.7 K (+25.57 %)
Nov 04 2011	KLAC	KLA TENCOR CORP	KAUFMAN STEPHEN P	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	PATEL KIRAN M	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	Wang David C	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	KENNEDY KEVIN	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	DICKSON JOHN T	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	Higashi Emiko	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	CALDERONI ROBERT	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	BOND ROBERT T	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K
Nov 04 2011	KLAC	KLA TENCOR CORP	BARNHOLT EDWARD W	Director	Grant	A	0.00	3,809	0	3,809	0 to 3.8 K
Nov 04 2011	KLAC	KLA TENCOR CORP	AKINS ROBERT P	Director	Grant	A	0.00	2,539	0	2,539	0 to 2.5 K

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