KLAC

SEC source: 0000950170-24-090718 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,574.485

F3 · 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 961.000 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.

F4 · balance_after: The number of shares of KLA common stock includes 5,276.481 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090718 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,132.985

F1 · shares: On August 1, 2024, 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 3,834.981 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090719 · ownership.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,675.915

F5 · 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 1,678.000 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.

F6 · balance_after: The number of shares of KLA common stock includes 18,673.955 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090719 · ownership.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,477.735

F3 · 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 2,563.000 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.

F4 · balance_after: The number of shares of KLA common stock includes 16,475.775 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090719 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,633.235

F1 · shares: On August 1, 2024, 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 12,631.275 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090720 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,678.374

F5 · 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 1,678.000 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.

F6 · balance_after: The number of shares of KLA common stock includes 13,678.374 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090720 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,480.194

F3 · 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 2,563.000 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.

F4 · balance_after: The number of shares of KLA common stock includes 11,480.194 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090720 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,635.694

F1 · shares: On August 1, 2024, 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 7,635.694 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090721 · ownership.xml · nonDerivative · entry 4

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,005.844

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 6,291.000 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 119,451.721 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090721 · ownership.xml · nonDerivative · entry 3

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,764.634

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 25,947.000 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 111,210.511 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-090721 · ownership.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,844.134

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 72,290.011 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-081488 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,700.004

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, 2024.

F3 · balance_after: The number of shares of KLA common stock includes 3,402 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-081489 · ownership.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,210.96

F4 · 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.

F3 · balance_after: The number of shares of KLA common stock includes 10,209 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-081488 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,744.004

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

F2 · price: Represents 85% of the closing price of the registrant's common stock on January 2, 2024, the first day of the offering period under the employee stock purchase plan.

F3 · balance_after: The number of shares of KLA common stock includes 3,402 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-081489 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,254.96

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

F2 · price: Represents 85% of the closing price of the registrant's common stock on January 2, 2024, the first day of the offering period under the employee stock purchase plan.

F3 · balance_after: The number of shares of KLA common stock includes 10,209 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-086896 · ownership.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,966.995

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

F2 · price: Represents 85% of the closing price of the registrant's common stock on January 2, 2024, the first day of the offering period under the employee stock purchase plan.

F3 · balance_after: The number of shares of KLA common stock includes 8,678 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-090716 · 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: 32,150.033

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

F2 · price: Represents 85% of the closing price of the registrant's common stock on January 2, 2024, the first day of the offering period under the employee stock purchase plan.

F3 · balance_after: The number of shares of KLA common stock includes 23,330.000 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-090717 · 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: 31,400.812

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

F2 · price: Represents 85% of the closing price of the registrant's common stock on January 2, 2024, the first day of the offering period under the employee stock purchase plan.

F3 · balance_after: The number of shares of KLA common stock includes 21,433.000 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-090721 · ownership.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,186.123

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

F2 · price: Represents 85% of the closing price of the registrant's common stock on January 2, 2024, the first day of the offering period under the employee stock purchase plan.

F3 · balance_after: The number of shares of KLA common stock includes 61,632.000 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-064554 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,356.2

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 21,433 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-064070 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,105.421

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 23,330 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-056873 · ownership.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Plan reported

Ownership: Indirect · By Trust

Disclosed balance after: 5,435

F3 · 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.

F4 · ownership.nature: 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: 0000950170-24-056873 · ownership.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 93,141.511

F1 · 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.

F2 · balance_after: The number of shares of KLA common stock includes 61,632 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-055605 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,210.348

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 10,209 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-044400 · ownership.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,150.511

F1 · shares: Pursuant to the terms of the restricted stock unit ("RSU") grant by the registrant on April 11, 2019, shares of KLA common stock were automatically withheld to cover required tax withholding on the 34,076 shares of KLA common stock that vested. 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 April 11, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 61,632 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-038020 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,375.2

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 21,433 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-037158 · ownership.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,922.383

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on October 30, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 8,678 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-24-035332 · 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: 39,393.2

F1 · shares: Pursuant to the terms of the restricted stock unit ("RSU") grant by the registrant on March 20, 2019, shares of KLA common stock were automatically withheld to cover required tax withholding on the 13,813 shares of KLA common stock that vested. 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 March 20, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 21,433 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-035333 · ownership.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,747.348

F1 · shares: Pursuant to the terms of the restricted stock unit ("RSU") grant by the registrant on March 29, 2019, shares of KLA common stock were automatically withheld to cover required tax withholding on the 6,630 shares of KLA common stock that vested. 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 March 20, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 10,209 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-035334 · ownership.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,179.383

F1 · shares: Pursuant to the terms of the restricted stock unit ("RSU") grant by the registrant on March 20, 2019, shares of KLA common stock were automatically withheld to cover required tax withholding on the 6,906 shares of KLA common stock that vested. 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 March 20, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 8,678 shares issuable upon vesting of RSUs.

SEC source: 0000950170-24-035336 · 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: 39,938.421

F1 · shares: Pursuant to the terms of the restricted stock unit ("RSU") grant by the registrant on March 20, 2019, shares of KLA common stock were automatically withheld to cover required tax withholding on the 15,195 shares of KLA common stock that vested. 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 March 20, 2024.

F2 · balance_after: The number of shares of KLA common stock includes 23,330 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-065475 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,197.392

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 35,246 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-23-064794 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,364

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 6,364 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-23-058812 · ownership.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 8,490

F1 · ownership.nature: 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: 0000950170-23-058801 · ownership.xml · nonDerivative · entry 1

Higashi Emiko · CIK 0001318086 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,416

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058802 · ownership.xml · nonDerivative · entry 1

Hanley Jeneanne Michelle · CIK 0001733201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,547

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058803 · ownership.xml · nonDerivative · entry 1

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,530

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058804 · ownership.xml · nonDerivative · entry 1

MOORE GARY B · CIK 0001493191 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,678

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058805 · ownership.xml · nonDerivative · entry 1

McMullen Michael R. · CIK 0001418949 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 625

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058807 · ownership.xml · nonDerivative · entry 1

RANGO ROBERT A. · CIK 0001464250 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,612

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058808 · ownership.xml · nonDerivative · entry 1

CALDERONI ROBERT · CIK 0001183228 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,000

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 608 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 608 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058809 · ownership.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,661

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-058810 · ownership.xml · nonDerivative · entry 1

PENG VICTOR · CIK 0001182953 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,197

F1 · shares: On November 1, 2023, the Reporting Person received an automatic grant of restricted stock units ("RSUs") for 493 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) November 1, 2024, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA.

F2 · balance_after: The number of shares of KLA common stock includes 493 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-049692 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,794

F3 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 6,364 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-049692 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,949

F1 · shares: On September 21, 2020, the Reporting Person was granted restricted stock units ("RSUs") for 16,565 shares of KLA common stock. On September 21, 2023, one-third 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 September 21, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 6,364 shares issuable upon vesting of RSUs.

SEC source: 0000950170-23-047259 · ownership.xml · nonDerivative · entry 2

Hanley Jeneanne Michelle · CIK 0001733201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,054

F1 · balance_after: The number of shares of KLA common stock includes 704 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-23-047259 · ownership.xml · nonDerivative · entry 1

Hanley Jeneanne Michelle · CIK 0001733201 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,154

F1 · balance_after: The number of shares of KLA common stock includes 704 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-23-046998 · ownership.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,815.392

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

F2 · balance_after: The number of shares of KLA common stock includes 15,584 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0000950170-23-046725 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 47,361.392

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 38,525 shares issuable upon vesting of restricted stock units ("RSUs").

SEC source: 0001209191-23-045999 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,699.392

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 3, 2023.

F2 · balance_after: The number of shares of KLA common stock includes 3,402 shares issuable upon vesting of restricted stock units ("RSUs").