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Nasdaq · USD

KLAC

KLA CORP

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2838
SEC CIK
0000319201
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1,546

Last 12 months

Inside the activity.

0 purchase rows · 22 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202501
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202603
Jun 202601
Jul 202603
Aug 2026012
Sep 202601
Oct 202600

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
December 28, 2006 Filed Dec 30, 2006 02:06 UTC
WALLACE RICHARD PDirector · Chief Executive Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 3,209 Not disclosed Strike: $32.88 Not disclosed
Disclosure

SEC source: 0001209191-06-067485 · bpa26163_bpa2rw.xml · derivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,209

Underlying: Common Stock · 3,209 shares

Expires 2010-11-10

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment of a portion of that option increasing the exercise price per share of such portion to complywith the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment of a portion of that option increasing the exercise price per share of such portion to complywith the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment of a portion of that option increasing the exercise price per share of such portion to complywith the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 28, 2006 Filed Dec 30, 2006 02:06 UTC
WALLACE RICHARD PDirector · Chief Executive Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 3,209 Not disclosed Strike: $26.25 Not disclosed
Disclosure

SEC source: 0001209191-06-067485 · bpa26163_bpa2rw.xml · derivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,791

Underlying: Common Stock · 3,209 shares

Expires 2010-11-10

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment of a portion of that option increasing the exercise price per share of such portion to complywith the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment of a portion of that option increasing the exercise price per share of such portion to complywith the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment of a portion of that option increasing the exercise price per share of such portion to complywith the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 14,000 Not disclosed Strike: $45.25 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 8

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

Underlying: Common Stock · 14,000 shares

Expires 2011-04-04

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 14,000 Not disclosed Strike: $29.31 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 7

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,000 shares

Expires 2011-04-04

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 2,667 Not disclosed Strike: $50.82 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 6

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,667

Underlying: Common Stock · 2,667 shares

Expires 2011-10-02

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 2,667 Not disclosed Strike: $32.75 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 5

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,667 shares

Expires 2011-10-02

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 1,000 Not disclosed Strike: $32.88 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 4

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000

Underlying: Common Stock · 1,000 shares

Expires 2010-11-10

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 1,000 Not disclosed Strike: $26.25 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 3

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,000 shares

Expires 2010-11-10

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 8,658 Not disclosed Strike: $68.81 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 2

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,658

Underlying: Common Stock · 8,658 shares

Expires 2010-08-13

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · acquired: The option is currently exercisable for vested shares.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Dec 30, 2006 02:07 UTC
KISPERT JOHN HChief Operating Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 8,658 Not disclosed Strike: $44.69 Not disclosed
Disclosure

SEC source: 0001209191-06-067486 · bpa26163_bpa1jk.xml · derivative · entry 1

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,658 shares

Expires 2010-08-13

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · acquired: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

Read SEC document
December 22, 2006 Filed Jan 31, 2007 00:53 UTC Amendment
KISPERT JOHN HChief Operating Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 14,000 Not disclosed Strike: $45.25 Not disclosed
Disclosure

SEC source: 0000319201-07-000007 · primary_doc.xml · derivative · entry 4

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

Underlying: Common Stock · 14,000 shares

Expires 2011-10-02

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

F3 · derivative.expiration_date: The expiration date of the option was entered incorrectly on the original Form 4 filing.

Read SEC document
December 22, 2006 Filed Jan 31, 2007 00:53 UTC Amendment
KISPERT JOHN HChief Operating Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 14,000 Not disclosed Strike: $29.31 Not disclosed
Disclosure

SEC source: 0000319201-07-000007 · primary_doc.xml · derivative · entry 3

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,000 shares

Expires 2011-10-02

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

F3 · derivative.expiration_date: The expiration date of the option was entered incorrectly on the original Form 4 filing.

Read SEC document
December 22, 2006 Filed Jan 31, 2007 00:53 UTC Amendment
KISPERT JOHN HChief Operating Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 2,667 Not disclosed Strike: $50.82 Not disclosed
Disclosure

SEC source: 0000319201-07-000007 · primary_doc.xml · derivative · entry 2

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,667

Underlying: Common Stock · 2,667 shares

Expires 2011-04-04

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

F3 · derivative.expiration_date: The expiration date of the option was entered incorrectly on the original Form 4 filing.

Read SEC document
December 22, 2006 Filed Jan 31, 2007 00:53 UTC Amendment
KISPERT JOHN HChief Operating Officer
Disposition to issuerNon-Qualified Stock Option (right to buy) · Derivative 2,667 Not disclosed Strike: $32.75 Not disclosed
Disclosure

SEC source: 0000319201-07-000007 · primary_doc.xml · derivative · entry 1

KISPERT JOHN H · CIK 0001183250 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,667 shares

Expires 2011-04-04

F1 · kind: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F1 · price: The reported transactions are exempt under SEC Rule 16-b-3, and the related disposition and acquisition transactions for each option involved an amendment to a portion of that option increasing the exercise price per share of such portion to comply with the requirements of Section 409A of the Internal Revenue Code. Such amendment is deemed the cancellation of the portion of the lower-priced option and the grant a replacement option at the higher exercise price per share.

F2 · derivative.exercise_date: The option is currently exercisable for vested shares.

F3 · derivative.expiration_date: The expiration date of the option was entered incorrectly on the original Form 4 filing.

Read SEC document
August 01, 2006 Filed Aug 1, 2006 23:59 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0000319201-06-000056 · edgardoc.xml · derivative · entry 3

BARNHOLT EDWARD W · CIK 0001142615 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-08-01

Read SEC document
August 01, 2006 Filed Aug 1, 2006 23:59 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0000319201-06-000057 · edgardoc.xml · derivative · entry 2

BINGHAM H RAYMOND · CIK 0001181467 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-08-01

Read SEC document
August 01, 2006 Filed Aug 1, 2006 23:59 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0000319201-06-000058 · edgardoc.xml · derivative · entry 3

BOND ROBERT T · CIK 0001186083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-08-01

Read SEC document
August 01, 2006 Filed Aug 1, 2006 23:59 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0000319201-06-000059 · edgardoc.xml · derivative · entry 3

KAUFMAN STEPHEN P · CIK 0001186370 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-08-01

Read SEC document
August 01, 2006 Filed Aug 1, 2006 23:59 UTC
URBANEK LIDADirector
GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0000319201-06-000060 · edgardoc.xml · derivative · entry 5

URBANEK LIDA · CIK 0000929927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-08-01

Read SEC document
August 01, 2006 Filed Aug 2, 2006 00:00 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0000319201-06-000061 · edgardoc.xml · derivative · entry 3

TOMPKINS JON D · CIK 0001196899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-08-01

Read SEC document
May 11, 2006 Filed May 15, 2006 20:07 UTC Disposition to issuerCommon Stock-Restricted Stock Units 1,000 $0.00 $0.00
Disclosure

SEC source: 0000319201-06-000047 · edgardoc.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Unvested Restricted Stock Units forfeited upon resignation.

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,500 $48.83 Strike: $44.76 $122,075.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · derivative · entry 10

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2015-01-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,500 $48.68 Strike: $40.68 $121,700.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · derivative · entry 9

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2014-10-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 2,500 $48.45 Strike: $40.24 $121,125.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · derivative · entry 8

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,500 shares

Expires 2015-05-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC SaleCommon Stock 2,500 $48.83 $122,075.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 6

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC SaleCommon Stock 2,500 $48.68 $121,700.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 5

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC SaleCommon Stock 2,500 $48.45 $121,125.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 4

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC Exercise / conversionCommon Stock 2,500 $40.24 $100,600.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 3

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC Exercise / conversionCommon Stock 2,500 $44.76 $111,900.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 09, 2006 Filed May 9, 2006 23:42 UTC Exercise / conversionCommon Stock 2,500 $40.68 $101,700.00
Disclosure

SEC source: 0000319201-06-000045 · edgardoc.xml · nonDerivative · entry 1

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 02, 2006 Filed May 2, 2006 23:36 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000033 · edgardoc.xml · derivative · entry 3

BARNHOLT EDWARD W · CIK 0001142615 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
May 02, 2006 Filed May 2, 2006 23:37 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000034 · edgardoc.xml · derivative · entry 2

BINGHAM H RAYMOND · CIK 0001181467 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
May 02, 2006 Filed May 2, 2006 23:37 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000035 · edgardoc.xml · derivative · entry 3

BOND ROBERT T · CIK 0001186083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
May 02, 2006 Filed May 2, 2006 23:53 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000039 · edgardoc.xml · derivative · entry 3

KAUFMAN STEPHEN P · CIK 0001186370 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
May 02, 2006 Filed May 2, 2006 23:54 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000040 · edgardoc.xml · derivative · entry 3

TOMPKINS JON D · CIK 0001196899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
May 02, 2006 Filed May 2, 2006 23:54 UTC
URBANEK LIDADirector
GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000041 · edgardoc.xml · derivative · entry 5

URBANEK LIDA · CIK 0000929927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
May 02, 2006 Filed May 3, 2006 21:37 UTC GrantNon-Qualified Stock Option (right to buy) · Derivative 1,250 $0.00 Strike: $47.86 $0.00
Disclosure

SEC source: 0000319201-06-000043 · edgardoc.xml · derivative · entry 2

MARKS MICHAEL E · CIK 0001163715 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,250

Underlying: Common Stock · 1,250 shares

Expires 2013-05-02

Read SEC document
March 02, 2006 Filed Aug 17, 2006 21:47 UTC Amendment
LEVY KENNETHDirector · Chairman of the Board
SaleCommon Stock 100,000 $53.97 $5,397,180.00
Disclosure

SEC source: 0000319201-06-000076 · primary_doc.xml · nonDerivative · entry 1

LEVY KENNETH · CIK 0001186087 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · by Levy Family Trust

Disclosed balance after: 1,514,375

F1 · shares: Transaction ommitted from original Form 5 filing.

Read SEC document
March 01, 2006 Filed Mar 1, 2006 22:57 UTC
Glasser Lance AExecutive Vice President
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 5,000 $53.23 Strike: $10.63 $266,150.00
Disclosure

SEC source: 0000319201-06-000029 · edgardoc.xml · derivative · entry 4

Glasser Lance A · CIK 0001290068 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2008-08-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2006 Filed Mar 1, 2006 22:57 UTC
Glasser Lance AExecutive Vice President
SaleCommon Stock 5,000 $53.23 $266,150.00
Disclosure

SEC source: 0000319201-06-000029 · edgardoc.xml · nonDerivative · entry 2

Glasser Lance A · CIK 0001290068 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,914

Read SEC document
March 01, 2006 Filed Mar 1, 2006 22:57 UTC
Glasser Lance AExecutive Vice President
Exercise / conversionCommon Stock 5,000 $10.63 $53,150.00
Disclosure

SEC source: 0000319201-06-000029 · edgardoc.xml · nonDerivative · entry 1

Glasser Lance A · CIK 0001290068 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,914

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 27, 2006 Filed Feb 27, 2006 23:29 UTC
LEVY KENNETHDirector · Chairman of the Board
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 100,000 $51.78 Strike: $10.63 $5,177,850.00
Disclosure

SEC source: 0000319201-06-000025 · edgardoc.xml · derivative · entry 7

LEVY KENNETH · CIK 0001186087 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,272

Underlying: Common Stock · 100,000 shares

Expires 2008-08-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 27, 2006 Filed Feb 27, 2006 23:29 UTC
LEVY KENNETHDirector · Chairman of the Board
SaleCommon Stock 100,000 $51.78 $5,177,850.00
Disclosure

SEC source: 0000319201-06-000025 · edgardoc.xml · nonDerivative · entry 2

LEVY KENNETH · CIK 0001186087 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,474

Read SEC document
February 27, 2006 Filed Feb 27, 2006 23:29 UTC
LEVY KENNETHDirector · Chairman of the Board
Exercise / conversionCommon Stock 100,000 $10.63 $1,063,000.00
Disclosure

SEC source: 0000319201-06-000025 · edgardoc.xml · nonDerivative · entry 1

LEVY KENNETH · CIK 0001186087 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,474

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 27, 2006 Filed Feb 28, 2006 23:44 UTC
URBANEK LIDADirector
Exercise / conversionNon-Qualified Stock Option (right to buy) · Derivative 280 $51.93 Strike: $12.50 $14,540.68
Disclosure

SEC source: 0000319201-06-000027 · edgardoc.xml · derivative · entry 6

URBANEK LIDA · CIK 0000929927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 280 shares

Expires 2006-05-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 27, 2006 Filed Feb 28, 2006 23:44 UTC
URBANEK LIDADirector
SaleCommon Stock 280 $51.93 $14,540.68
Disclosure

SEC source: 0000319201-06-000027 · edgardoc.xml · nonDerivative · entry 2

URBANEK LIDA · CIK 0000929927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,946

Read SEC document
February 27, 2006 Filed Feb 28, 2006 23:44 UTC
URBANEK LIDADirector
Exercise / conversionCommon Stock 280 $12.50 $3,500.00
Disclosure

SEC source: 0000319201-06-000027 · edgardoc.xml · nonDerivative · entry 1

URBANEK LIDA · CIK 0000929927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,226

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
February 17, 2006 Filed Feb 22, 2006 00:02 UTC
Hall JeffreyChief Financial Officer
GrantNon-Qualified Stock Option (right to buy) · Derivative 15,000 $0.00 Strike: $52.53 $0.00
Disclosure

SEC source: 0000319201-06-000021 · edgardoc.xml · derivative · entry 3

Hall Jeffrey · CIK 0001299172 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2013-02-17

Read SEC document
February 17, 2006 Filed Feb 22, 2006 00:02 UTC
Hall JeffreyChief Financial Officer
GrantCommon Stock-Restricted Stock Units 15,000 $0.00 $0.00
Disclosure

SEC source: 0000319201-06-000021 · edgardoc.xml · nonDerivative · entry 1

Hall Jeffrey · CIK 0001299172 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLAC common stock.

F2 · price: The restricted stock units vest in two equal installments. The first half vests four years from grant date. The second half vests one year thereafter.

Read SEC document
February 17, 2006 Filed Feb 22, 2006 00:02 UTC
KISPERT JOHN HPresident & COO
GrantNon-Qualified Stock Option (right to buy) · Derivative 25,000 $0.00 Strike: $52.53 $0.00
Disclosure

SEC source: 0000319201-06-000022 · edgardoc.xml · derivative · entry 3

KISPERT JOHN H · CIK 0001183250 · President & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2013-02-17

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.