KLAC

SEC source: 0001209191-22-044970 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,834

F1 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 6,727 shares of KLA common stock. On August 5, 2022, twenty-five percent (25%) of the RSUs vested. 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 5, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 63,783 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044972 · doc4.xml · nonDerivative · entry 2

Wilkinson Mary Beth · CIK 0001691769 · EVP, CLO and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,646

F3 · shares: On August 5, 2021, the Reporting Person was granted RSUs for 3,203 shares of KLA common stock. On August 5, 2022, twenty-five percent (25%) of the RSUs vested. 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 5, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 17,750 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044972 · doc4.xml · nonDerivative · entry 1

Wilkinson Mary Beth · CIK 0001691769 · EVP, CLO and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,990

F1 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 2,562 shares of KLA common stock. On August 5, 2022, twenty-five percent (25%) of the RSUs vested. 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 5, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 18,551 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044971 · doc4.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268,337

F1 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 17,298 shares of KLA common stock. On August 5, 2022, twenty-five percent (25%) of the RSUs vested. 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 5, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 153,722 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044973 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,817

F3 · shares: On August 5, 2021, the Reporting Person was granted RSUs for 961 shares of KLA common stock. On August 5, 2022, twenty-five percent (25%) of the RSUs vested. 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 5, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 5,399 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044973 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,937

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 25, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 5,640 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0001209191-22-044765 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,910

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 4, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 5,640 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044765 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,867

F3 · shares: On August 1, 2019, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on a Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 3,859 shares (based on 150% of the target shares of 2,573) of KLA common stock, subject to both performance-vesting and service-vesting requirements. On August 4, 2022, the Compensation and Talent Committee of KLA's Board of Directors determined the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 3,859.

F4 · balance_after: The number of shares of KLA common stock includes 5,640 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044765 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,008

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 3,711 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044764 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,668

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 4, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 65,465 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044764 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,249

F3 · shares: On August 1, 2019, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on a Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 22,510 shares (based on 150% of the target shares of 15,007) of KLA common stock, subject to both performance-vesting and service-vesting requirements. On August 4, 2022, the Compensation and Talent Committee of KLA's Board of Directors determined the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 22,510.

F4 · balance_after: The number of shares of KLA common stock includes 65,465 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044764 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,739

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 54,211 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044766 · doc4.xml · nonDerivative · entry 3

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,419

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 4, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 26,951 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044766 · doc4.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,536

F3 · shares: On August 1, 2019, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on a Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 8,040 shares (based on 150% of the target shares of 5,360) of KLA common stock, subject to both performance-vesting and service-vesting requirements. On August 4, 2022, the Compensation and Talent Committee of KLA's Board of Directors determined the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 8,040.

F4 · balance_after: The number of shares of KLA common stock includes 26,951 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044766 · doc4.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,496

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 22,931 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044769 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,616

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 4, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 58,604 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044769 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,400

F3 · shares: On August 1, 2019, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on a Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 19,294 shares (based on 150% of the target shares of 12,863) of KLA common stock, subject to both performance-vesting and service-vesting requirements. On August 4, 2022, the Compensation and Talent Committee of KLA's Board of Directors determined the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 19,294.

F4 · balance_after: The number of shares of KLA common stock includes 58,604 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044769 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,106

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 48,958 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044770 · doc4.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,197

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 4, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 27,411 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044770 · doc4.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,270

F3 · shares: On August 1, 2019, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on a Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 8,361 shares (based on 150% of the target shares of 5,574) of KLA common stock, subject to both performance-vesting and service-vesting requirements. On August 4, 2022, the Compensation and Talent Committee of KLA's Board of Directors determined the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 8,361.

F4 · balance_after: The number of shares of KLA common stock includes 27,411 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044770 · doc4.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,909

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 23,230 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044768 · doc4.xml · nonDerivative · entry 3

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,482

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 4, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 158,047 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044768 · doc4.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,832

F3 · shares: On August 1, 2019, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on a Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 57,885 shares (based on 150% of the target shares of 38,590) of KLA common stock, subject to both performance-vesting and service-vesting requirements. On August 4, 2022, the Compensation and Talent Committee of KLA's Board of Directors determined the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 57,885.

F4 · balance_after: The number of shares of KLA common stock includes 158,047 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044768 · doc4.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 226,947

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 129,104 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044773 · doc4.xml · nonDerivative · entry 1

Wilkinson Mary Beth · CIK 0001691769 · EVP, CLO and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,192

F1 · shares: On August 4, 2022, the Reporting Person received a grant of restricted stock units ("RSUs"). The RSUs vest 25% annually from the date of grant.

F2 · balance_after: The number of shares of KLA common stock includes 19,192 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044557 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,114

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 25, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 2,817 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044558 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,145

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on March 1, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 42,997 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044559 · doc4.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,929

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 20,250 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044404 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,479

F3 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 12,645 shares of KLA common stock. On August 2, 2022, the remaining 25% of the RSUs vested. 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, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 47,951 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044404 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,047

F1 · shares: The Reporting Person vested the remaining 50% of the performance-based restricted stock units ("RSUs"), upon his completion of four years of service (August 2, 2022) following the award on August 2, 2018. The Compensation Committee of KLA's Board of Directors determined the level at which the underlying performance goals were attained (August 5, 2021). 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, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 51,112 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044405 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,513

F5 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 2,759 shares of KLA common stock. On August 2, 2022, the remaining 25% of the RSUs vested. 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, 2022.

F6 · balance_after: The number of shares of KLA common stock includes 2,817 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044405 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,855

F3 · shares: The Reporting Person vested the remaining 50% of the performance-based restricted stock units ("RSUs"), upon his completion of four years of service (August 2, 2022) following the award on August 2, 2018. The Compensation Committee of KLA's Board of Directors determined the level at which the underlying performance goals were attained (August 5, 2021). 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, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 3,506 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044405 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,651

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 25, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 5,354 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044407 · doc4.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 210,850

F3 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 27,589 shares of KLA common stock. On August 2, 2022, the remaining 25% of the RSUs vested. 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, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 113,007 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044407 · doc4.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,270

F1 · shares: The Reporting Person vested the remaining 50% of the performance-based restricted stock units ("RSUs"), upon his completion of four years of service (August 2, 2022) following the award on August 2, 2018. The Compensation Committee of KLA's Board of Directors determined the level at which the underlying performance goals were attained (August 5, 2021). 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, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 119,904 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044409 · doc4.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,209

F5 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 5,518 shares of KLA common stock. On August 2, 2022, the remaining 25% of the RSUs vested. 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, 2022.

F6 · balance_after: The number of shares of KLA common stock includes 20,250 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044409 · doc4.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,893

F3 · shares: The Reporting Person vested the remaining 50% of the performance-based restricted stock units ("RSUs"), upon his completion of four years of service (August 2, 2022) following the award on August 2, 2018. The Compensation Committee of KLA's Board of Directors determined the level at which the underlying performance goals were attained (August 5, 2021). 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, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 21,629 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044409 · doc4.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,726

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 25,326 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044408 · doc4.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,951

F3 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 5,748 shares of KLA common stock. On August 2, 2022, the remaining 25% of the RSUs vested. 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, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 20,386 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044408 · doc4.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,708

F1 · shares: The Reporting Person vested the remaining 50% of the performance-based restricted stock units ("RSUs"), upon his completion of four years of service (August 2, 2022) following the award on August 2, 2018. The Compensation Committee of KLA's Board of Directors determined the level at which the underlying performance goals were attained (August 5, 2021). 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, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 21,823 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044410 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,475

F3 · shares: On August 2, 2018, the Reporting Person was granted RSUs for 11,495 shares of KLA common stock. On August 2, 2022, the remaining 25% of the RSUs vested. 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, 2022.

F4 · balance_after: The number of shares of KLA common stock includes 42,997 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044410 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,900

F1 · shares: The Reporting Person vested the remaining 50% of the performance-based restricted stock units ("RSUs"), upon his completion of four years of service (August 2, 2022) following the award on August 2, 2018. The Compensation Committee of KLA's Board of Directors determined the level at which the underlying performance goals were attained (August 5, 2021). 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, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 45,870 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044160 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,071

F1 · shares: Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 2019, 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 1, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 5,354 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044161 · doc4.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,736

F1 · shares: Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 2019, 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 1, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 25,674 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044163 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,248

F4 · shares: Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 2019, 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 1, 2022.

F5 · balance_after: The number of shares of KLA common stock includes 59,584 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044164 · doc4.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,017

F4 · shares: Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 2019, 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 1, 2022.

F5 · balance_after: The number of shares of KLA common stock includes 147,630 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044165 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,719

F4 · shares: Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 2019, 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 1, 2022.

F5 · balance_after: The number of shares of KLA common stock includes 53,571 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-044166 · doc4.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,077

F1 · shares: Pursuant to the terms of the grant of restricted stock units ("RSUs") on August 1, 2019, 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 1, 2022.

F2 · balance_after: The number of shares of KLA common stock includes 25,326 shares issuable upon vesting of RSUs.

SEC source: 0001209191-22-043842 · doc4.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,768

F4 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2022.

F3 · balance_after: Includes RSUs to acquire 26,719 shares of KLA common stock.

SEC source: 0001209191-22-042417 · doc4.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,442

F4 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 1, 2022.

F3 · balance_after: Includes RSUs to acquire 27,014 shares of KLA common stock.