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Nasdaq · USD

KLAC

KLA CORP

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2838
SEC CIK
0000319201
Parsed reports
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
August 03, 2021 Filed Aug 5, 2021 20:35 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Tax withholdingCommon Stock 776 $346.89 $269,186.64
Disclosure

SEC source: 0001628280-21-015889 · wf-form4_162819566313034.xml · nonDerivative · entry 4

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,085

F5 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 3, 2021.

Read SEC document
August 03, 2021 Filed Aug 5, 2021 20:35 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Exercise / conversionCommon Stock 1,564 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015889 · wf-form4_162819566313034.xml · nonDerivative · entry 3

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,861

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.

F3 · shares: The remaining fifty percent (50%) of the performance-based RSUs that were granted to the Reporting Person on August 3, 2017, vested upon his completion of four years of service following the grant of the award.

Read SEC document
August 03, 2021 Filed Aug 5, 2021 20:35 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Exercise / conversionCommon Stock - Restricted Stock Units 1,564 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015889 · wf-form4_162819566313034.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,218

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.

F2 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F3 · shares: The remaining fifty percent (50%) of the performance-based RSUs that were granted to the Reporting Person on August 3, 2017, vested upon his completion of four years of service following the grant of the award.

F4 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 03, 2021 Filed Aug 5, 2021 20:35 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
SaleCommon Stock 451 $347.23 $156,600.73
Disclosure

SEC source: 0001628280-21-015889 · wf-form4_162819566313034.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2021.

Read SEC document
August 03, 2021 Filed Aug 9, 2021 20:06 UTC Amendment
Khan Ahmad A.President, Semi Proc. Control
Tax withholdingCommon Stock 1,085 $346.89 $376,375.65
Disclosure

SEC source: 0001628280-21-016237 · wf-form4a_162853955414077.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,400

F1 · kind: This amendment to Form 4 is being filed to correct an administrative error which incorrectly reported the acquisition, instead of the disposition, of shares of KLA common stock that were automatically withheld by the company on August 3, 2021, and to report the holding for the Reporting Person as 8,400 shares of KLA common stock, instead of 10,570, following the reported transaction.

F2 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 3, 2021.

F1 · acquired: This amendment to Form 4 is being filed to correct an administrative error which incorrectly reported the acquisition, instead of the disposition, of shares of KLA common stock that were automatically withheld by the company on August 3, 2021, and to report the holding for the Reporting Person as 8,400 shares of KLA common stock, instead of 10,570, following the reported transaction.

F1 · balance_after: This amendment to Form 4 is being filed to correct an administrative error which incorrectly reported the acquisition, instead of the disposition, of shares of KLA common stock that were automatically withheld by the company on August 3, 2021, and to report the holding for the Reporting Person as 8,400 shares of KLA common stock, instead of 10,570, following the reported transaction.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
Tax withholdingCommon Stock 713 $345.91 $246,633.83
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 7

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,009

F7 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2021.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
Exercise / conversionCommon Stock 1,437 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 6

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,722

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.

F6 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 5,748 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
Exercise / conversionCommon Stock - Restricted Stock Units 1,437 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 5

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,066

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.

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F6 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 5,748 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
SaleCommon Stock 876 $348.16 $304,988.16
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 4

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,285

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 22, 2021.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
Tax withholdingCommon Stock 684 $345.91 $236,602.44
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 7

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,261

F7 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2021.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
Exercise / conversionCommon Stock 1,379 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 6

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,945

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.

F6 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 5,518 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
Exercise / conversionCommon Stock - Restricted Stock Units 1,379 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 5

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,385

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.

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F6 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 5,518 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
SaleCommon Stock 875 $348.16 $304,640.00
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 25, 2021.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Tax withholdingCommon Stock 239 $345.91 $82,672.49
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 7

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 748

F7 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2021.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Exercise / conversionCommon Stock 690 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 6

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 987

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.

F6 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 2,759 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Exercise / conversionCommon Stock - Restricted Stock Units 690 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 5

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,782

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.

F1 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F6 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 2,759 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 02, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
SaleCommon Stock 420 $348.16 $146,227.20
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 4

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2021.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:48 UTC
WALLACE RICHARD PDirector · President and CEO
Tax withholdingCommon Stock 3,420 $345.91 $1,183,012.20
Disclosure

SEC source: 0001628280-21-015570 · wf-form4_162811011131781.xml · nonDerivative · entry 3

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,722

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2021.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:48 UTC
WALLACE RICHARD PDirector · President and CEO
Exercise / conversionCommon Stock 6,897 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015570 · wf-form4_162811011131781.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,142

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.

F2 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 27,589 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:48 UTC
WALLACE RICHARD PDirector · President and CEO
Exercise / conversionCommon Stock - Restricted Stock Units 6,897 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015570 · wf-form4_162811011131781.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,074

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.

F1 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F2 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 27,589 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:48 UTC
Khan Ahmad A.President, Semi Proc. Control
Tax withholdingCommon Stock 1,568 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015569 · wf-form4_162811008354442.xml · nonDerivative · entry 3

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,539

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2021.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:48 UTC
Khan Ahmad A.President, Semi Proc. Control
Exercise / conversionCommon Stock 3,161 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015569 · wf-form4_162811008354442.xml · nonDerivative · entry 2

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,107

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.

F2 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 12,645 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:48 UTC
Khan Ahmad A.President, Semi Proc. Control
Exercise / conversionCommon Stock - Restricted Stock Units 3,161 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015569 · wf-form4_162811008354442.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,109

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.

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F2 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 12,645 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:49 UTC
Higgins Bren D.EVP & Chief Financial Officer
Tax withholdingCommon Stock 1,425 $345.91 $492,921.75
Disclosure

SEC source: 0001628280-21-015572 · wf-form4_162811013178029.xml · nonDerivative · entry 3

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,576

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2021.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:49 UTC
Higgins Bren D.EVP & Chief Financial Officer
Exercise / conversionCommon Stock 2,874 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015572 · wf-form4_162811013178029.xml · nonDerivative · entry 2

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,001

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.

F2 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 11,495 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

Read SEC document
August 02, 2021 Filed Aug 4, 2021 20:49 UTC
Higgins Bren D.EVP & Chief Financial Officer
Exercise / conversionCommon Stock - Restricted Stock Units 2,874 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015572 · wf-form4_162811013178029.xml · nonDerivative · entry 1

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,686

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.

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F2 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 11,495 shares of KLA common stock. On August 2, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
Tax withholdingCommon Stock 464 $348.16 $161,546.24
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 3

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,161

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on July 30, 2021.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
Exercise / conversionCommon Stock 1,340 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,625

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.

F2 · shares: On August 1, 2019, the Reporting Person was grant RSUs for 5,360 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:22 UTC
Donzella OresteExecutive Vice President
Exercise / conversionCommon Stock - Restricted Stock Units 1,340 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015385 · wf-form4_162802571410261.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,503

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.

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F2 · shares: On August 1, 2019, the Reporting Person was grant RSUs for 5,360 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:23 UTC
WALLACE RICHARD PDirector · President and CEO
Tax withholdingCommon Stock 3,189 $348.16 $1,110,282.24
Disclosure

SEC source: 0001628280-21-015386 · wf-form4_162802577919701.xml · nonDerivative · entry 4

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,245

F6 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on July 30, 2021.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:23 UTC
WALLACE RICHARD PDirector · President and CEO
Exercise / conversionCommon Stock 6,432 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015386 · wf-form4_162802577919701.xml · nonDerivative · entry 3

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,434

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.

F4 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 25,726 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:23 UTC
WALLACE RICHARD PDirector · President and CEO
Exercise / conversionCommon Stock - Restricted Stock Units 6,432 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015386 · wf-form4_162802577919701.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,971

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.

F3 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F4 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 25,726 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

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August 01, 2021 Filed Aug 3, 2021 21:24 UTC
Khan Ahmad A.President, Semi Proc. Control
Tax withholdingCommon Stock 1,861 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015387 · wf-form4_162802581622708.xml · nonDerivative · entry 4

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,946

F6 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on July 30, 2021.

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August 01, 2021 Filed Aug 3, 2021 21:24 UTC
Khan Ahmad A.President, Semi Proc. Control
Exercise / conversionCommon Stock 3,752 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015387 · wf-form4_162802581622708.xml · nonDerivative · entry 3

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,807

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.

F4 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 15,007 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

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August 01, 2021 Filed Aug 3, 2021 21:24 UTC
Khan Ahmad A.President, Semi Proc. Control
Exercise / conversionCommon Stock - Restricted Stock Units 3,752 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015387 · wf-form4_162802581622708.xml · nonDerivative · entry 2

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,270

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.

F3 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F4 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 15,007 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

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August 01, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
Tax withholdingCommon Stock 519 $348.16 $180,695.04
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,441

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on July 30, 2021.

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August 01, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
Exercise / conversionCommon Stock 1,394 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,960

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.

F2 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 5,574 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

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August 01, 2021 Filed Aug 3, 2021 21:24 UTC
Lorig BrianExecutive Vice President
Exercise / conversionCommon Stock - Restricted Stock Units 1,394 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015388 · wf-form4_162802585202112.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,764

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.

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F2 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 5,574 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

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August 01, 2021 Filed Aug 3, 2021 21:25 UTC
Higgins Bren D.EVP & Chief Financial Officer
Tax withholdingCommon Stock 1,595 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015389 · wf-form4_162802589560570.xml · nonDerivative · entry 4

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,127

F6 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on July 30, 2021.

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August 01, 2021 Filed Aug 3, 2021 21:25 UTC
Higgins Bren D.EVP & Chief Financial Officer
Exercise / conversionCommon Stock 3,216 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015389 · wf-form4_162802589560570.xml · nonDerivative · entry 3

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,722

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.

F4 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 12,863 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

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August 01, 2021 Filed Aug 3, 2021 21:25 UTC
Higgins Bren D.EVP & Chief Financial Officer
Exercise / conversionCommon Stock - Restricted Stock Units 3,216 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015389 · wf-form4_162802589560570.xml · nonDerivative · entry 2

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,560

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.

F3 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA common stock.

F4 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 12,863 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

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August 01, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Tax withholdingCommon Stock 223 $348.16 $77,639.68
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 3

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 717

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on July 30, 2021.

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August 01, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Exercise / conversionCommon Stock 643 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 940

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.

F2 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 2,573 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

Read SEC document
August 01, 2021 Filed Aug 3, 2021 21:26 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
Exercise / conversionCommon Stock - Restricted Stock Units 643 $0.00 $0.00
Disclosure

SEC source: 0001628280-21-015390 · wf-form4_162802592550545.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,472

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.

F1 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F2 · shares: On August 1, 2019, the Reporting Person was granted RSUs for 2,573 shares of KLA common stock. On August 1, 2021, 25% of the RSUs vested.

F3 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.

Read SEC document
July 02, 2021 Filed Jul 6, 2021 20:55 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
SaleCommon Stock 96 $313.73 $30,118.08
Disclosure

SEC source: 0001628280-21-013551 · wf-form4_162560488764427.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F3 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2021.

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July 02, 2021 Filed Jul 6, 2021 20:55 UTC
Lorig BrianExecutive Vice President
SaleCommon Stock 96 $313.73 $30,118.08
Disclosure

SEC source: 0001628280-21-013552 · wf-form4_162560490616962.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

F3 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 25, 2021.

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July 01, 2021 Filed Jul 6, 2021 20:56 UTC
Donzella OresteExecutive Vice President
SaleCommon Stock 136 $324.15 $44,084.40
Disclosure

SEC source: 0001628280-21-013553 · wf-form4_162560495764834.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,285

F3 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 22, 2021.

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June 30, 2021 Filed Jul 6, 2021 20:55 UTC
Kirloskar Virendra ASVP & Chief Accounting Officer
OtherCommon Stock 96 $221.28 $21,242.98
Disclosure

SEC source: 0001628280-21-013551 · wf-form4_162560488764427.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 393

F1 · shares: Purchased under the registrant's employee stock purchase plan.

F2 · price: Represents 85% of the closing price of the registrant's stock on the employee stock purchase plan start date.

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June 30, 2021 Filed Jul 6, 2021 20:55 UTC
Lorig BrianExecutive Vice President
OtherCommon Stock 96 $221.28 $21,242.98
Disclosure

SEC source: 0001628280-21-013552 · wf-form4_162560490616962.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 662

F1 · shares: Purchased under the registrant's employee stock purchase plan.

F2 · price: Represents 85% of the closing price of the registrant's stock on the employee stock purchase plan start date.

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June 30, 2021 Filed Jul 6, 2021 20:56 UTC
Donzella OresteExecutive Vice President
OtherCommon Stock 96 $221.28 $21,242.98
Disclosure

SEC source: 0001628280-21-013553 · wf-form4_162560495764834.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,421

F1 · shares: Purchased under the registrant's employee stock purchase plan.

F2 · price: Represents 85% of the closing price of the registrant's stock on the employee stock purchase plan start date.

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