KLAC

SEC source: 0000950170-24-094739 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,663.578

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 10,657.955 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-093875 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,166.539

F3 · shares: On August 6, 2024, the remaining fifty percent (50%) of the performance-based restricted stock units granted on August 6, 2020 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, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 22,564.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093875 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,176.045

F1 · shares: On August 6, 2020, the Reporting Person was granted restricted stock units ("RSUs") for 8,094.000 shares of KLA common stock. On August 6, 2024, the remaining 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, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 28,634.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093877 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,615.595

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 1, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 2,314.981 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093877 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,429.595

F3 · shares: On August 6, 2024, the remaining fifty percent (50%) of the performance-based restricted stock units granted on August 6, 2020 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, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 2,314.981 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093877 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,031.001

F1 · shares: On August 6, 2020, the Reporting Person was granted restricted stock units ("RSUs") for 1,618.000 shares of KLA common stock. On August 6, 2024, the remaining 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, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 3,527.981 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093878 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,851.698

F3 · shares: On August 6, 2024, the remaining fifty percent (50%) of the performance-based restricted stock units granted on August 6, 2020 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, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 23,354.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093878 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,363.45

F1 · shares: On August 6, 2020, the Reporting Person was granted restricted stock units ("RSUs") for 9,444.000 shares of KLA common stock. On August 6, 2024, the remaining 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, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 30,437.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093879 · ownership.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,701.578

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 10,657.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093879 · ownership.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,992.578

F3 · shares: On August 6, 2024, the remaining fifty percent (50%) of the performance-based restricted stock units granted on August 6, 2020 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, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 10,657.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093879 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,496.836

F1 · shares: On August 6, 2020, the Reporting Person was granted restricted stock units ("RSUs") for 4,047.000 shares of KLA common stock. On August 6, 2024, the remaining 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, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 13,691.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093881 · ownership.xml · nonDerivative · entry 4

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 2,380

F6 · shares: This gift was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2023.

F7 · balance_after: Shares held under the Wallace Living Trust u/a/d 03/27/01, as amended, a trust of which the Reporting Person is a trustee and beneficiary.

SEC source: 0000950170-24-093881 · ownership.xml · nonDerivative · entry 3

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,329.065

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 27, 2023.

F4 · balance_after: The number of shares of KLA common stock includes 62,493.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093881 · ownership.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 122,766.065

F3 · shares: On August 6, 2024, the remaining fifty percent (50%) of the performance-based restricted stock units granted on August 6, 2020 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, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 62,493.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-093881 · ownership.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 132,999.873

F1 · shares: On August 6, 2020, the Reporting Person was granted restricted stock units ("RSUs") for 18,348.000 shares of KLA common stock. On August 6, 2024, the remaining 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, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 83,134.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091753 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,179.049

F7 · shares: On August 5, 2024, 50% of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding. The fair 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, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 30,657.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091753 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,442.129

F5 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 6,086.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F6 · balance_after: The number of shares of KLA common stock includes 35,221.552 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091754 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,534.034

F7 · shares: On August 5, 2024, 50% of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding. The fair 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, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 32,798.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091754 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,035.841

F5 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 6,727.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F6 · balance_after: The number of shares of KLA common stock includes 37,884.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091757 · ownership.xml · nonDerivative · entry 5

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,998.09

F9 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 14,702.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091757 · ownership.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,707.09

F7 · shares: On August 5, 2024, 50% of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding. The fair 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, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 14,702.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091757 · ownership.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,660.514

F5 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 2,562.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F6 · balance_after: The number of shares of KLA common stock includes 16,625.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091755 · ownership.xml · nonDerivative · entry 4

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,274.108

F7 · shares: On August 5, 2024, 50% of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding. The fair 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, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 87,721.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091755 · ownership.xml · nonDerivative · entry 3

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,922.872

F5 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 17,298.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F6 · balance_after: The number of shares of KLA common stock includes 107,182.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091756 · ownership.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,231.305

F9 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 1, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 3,931.981 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091756 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,056.305

F7 · shares: On August 5, 2024, 50% of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding. The fair 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, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 3,931.981 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091756 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,305.8

F5 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 961.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F6 · balance_after: The number of shares of KLA common stock includes 4,653.481 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,297.507

F11 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2024.

F10 · balance_after: The number of shares of KLA common stock includes 9,294.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,539.507

F11 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2024.

F10 · balance_after: The number of shares of KLA common stock includes 9,294.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,908.507

F9 · shares: On August 5, 2024, 50% of the performance-based restricted stock units granted on August 5, 2021 vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding. The fair 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, 2024.

F10 · balance_after: The number of shares of KLA common stock includes 9,294.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,623.833

F7 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 3,203.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F8 · balance_after: The number of shares of KLA common stock includes 11,217.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,967.062

F5 · shares: On August 5, 2021, the Reporting Person was granted restricted stock units ("RSUs") for 2,562.000 shares of KLA common stock. On August 5, 2024, 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 2, 2024.

F6 · balance_after: The number of shares of KLA common stock includes 12,018.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091753 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,196.241

F3 · shares: On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") for 5,961.000 shares of KLA common stock. On August 4, 2024, 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 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 36,742.552 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091754 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,869.777

F3 · shares: On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") for 6,260.000 shares of KLA common stock. On August 4, 2024, 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 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 39,526.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091757 · ownership.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,977.827

F3 · shares: On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") for 2,980.000 shares of KLA common stock. On August 4, 2024, 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 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 17,265.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091755 · ownership.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 147,066.712

F3 · shares: On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") for 16,097.000 shares of KLA common stock. On August 4, 2024, 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 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 111,506.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091756 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,408.442

F3 · shares: On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") for 894.000 shares of KLA common stock. On August 4, 2024, 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 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 4,893.481 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,241.303

F3 · shares: On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") for 2,384.000 shares of KLA common stock. On August 4, 2024, 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 2, 2024.

F4 · balance_after: The number of shares of KLA common stock includes 12,658.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091753 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,934.983

F1 · shares: On August 3, 2023, the Reporting Person was granted restricted stock units ("RSUs") for 5,828.000 shares of KLA common stock. On August 3, 2024, 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 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 38,232.552 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091754 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,645.704

F1 · shares: On August 3, 2023, the Reporting Person was granted restricted stock units ("RSUs") for 5,828.000 shares of KLA common stock. On August 3, 2024, 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 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 41,091.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091757 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,347.199

F1 · shares: On August 3, 2023, the Reporting Person was granted restricted stock units ("RSUs") for 2,649.000 shares of KLA common stock. On August 3, 2024, 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 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 18,010.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091755 · ownership.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,061.812

F1 · shares: On August 3, 2023, the Reporting Person was granted restricted stock units ("RSUs") for 15,684.000 shares of KLA common stock. On August 3, 2024, 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 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 115,530.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091756 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,519.502

F1 · shares: On August 3, 2023, the Reporting Person was granted restricted stock units ("RSUs") for 635.000 shares of KLA common stock. On August 3, 2024, 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 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 5,117.481 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-091758 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,496.69

F1 · shares: On August 3, 2023, the Reporting Person was granted restricted stock units ("RSUs") for 1,695.000 shares of KLA common stock. On August 3, 2024, 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 2, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 13,254.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090716 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,368.085

F8 · shares: On August 4, 2022, in addition to the RSUs granted that were subject to only service-based vesting conditions, the reporting person was also granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") divided into three tranches. The first tranche was for a target number of shares equal to 4,194.000 shares of KLA common stock. The maximum number of shares issuable under the first tranche of these PRSUs is 250% of the target shares if the sum of KLA's non-GAAP earnings per diluted share for fiscal year 2023 and fiscal year 2024 equaled or exceeded $56.62. On August 1, 2024, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to the first tranche of these PRSUs were satisfied at 131% of target shares. The first tranche of these PRSUs will vest on June 30, 2025, subject to continued service of the reporting person.

F9 · balance_after: The number of shares of KLA common stock includes 42,548.052 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090716 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,873.945

F6 · shares: On August 5, 2021, in addition to the RSUs granted that were subject to only service-based vesting conditions, the reporting person was also granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") for a target number of shares equal to 6,727.000 shares of KLA common stock. The maximum number of shares issuable under these PRSUs is 150% of the target shares if KLA's free cash flow relative to its peers was at the 75th percentile or greater for the three years in the period ended June 30, 2024. On August 1, 2024, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to these PRSUs were satisfied at the maximum level. Fifty percent (50%) of the PRSUs will vest on August 5, 2024, and the remaining 50% of the PRSUs will vest on August 5, 2025, subject to continued service of the reporting person.

F7 · balance_after: The number of shares of KLA common stock includes 37,053.912 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090716 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,783.445

F4 · shares: On August 1, 2024, the Reporting Person received a grant of RSUs. The RSUs vest 25% annually from the date of grant.

F5 · balance_after: The number of shares of KLA common stock includes 26,963.412 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090717 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,657.364

F8 · shares: On August 4, 2022, in addition to the RSUs granted that were subject to only service-based vesting conditions, the reporting person was also granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") divided into three tranches. The first tranche was for a target number of shares equal to 4,194.000 shares of KLA common stock. The maximum number of shares issuable under the first tranche of these PRSUs is 250% of the target shares if the sum of KLA's non-GAAP earnings per diluted share for fiscal year 2023 and fiscal year 2024 equaled or exceeded $56.62. On August 1, 2024, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to the first tranche of these PRSUs were satisfied at 131% of target shares. The first tranche of these PRSUs will vest on June 30, 2025, subject to continued service of the reporting person.

F9 · balance_after: The number of shares of KLA common stock includes 39,689.552 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090717 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,163.224

F6 · shares: On August 5, 2021, in addition to the RSUs granted that were subject to only service-based vesting conditions, the reporting person was also granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") for a target number of shares equal to 6,086.000 shares of KLA common stock. The maximum number of shares issuable under these PRSUs is 150% of the target shares if KLA's free cash flow relative to its peers was at the 75th percentile or greater for the three years in the period ended June 30, 2024. On August 1, 2024, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to these PRSUs were satisfied at the maximum level. Fifty-percent (50%) of the PRSUs will vest on August 5, 2024, and the remaining 50% of the PRSUs will vest on August 5, 2025, subject to continued service of the reporting person.

F7 · balance_after: The number of shares of KLA common stock includes 34,195.412 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090717 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,034.224

F4 · shares: On August 1, 2024, the Reporting Person received a grant of RSUs. The RSUs vest 25% annually from the date of grant.

F5 · balance_after: The number of shares of KLA common stock includes 25,066.412 shares issuable upon vesting of RSUs.