KLAC

SEC source: 0001628280-21-015386 · wf-form4_162802577919701.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,002

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

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

SEC source: 0001628280-21-015387 · wf-form4_162802581622708.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,055

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

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

SEC source: 0001628280-21-015389 · wf-form4_162802589560570.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 506

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

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

SEC source: 0001628280-21-011144 · wf-form4_162206792021573.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,906

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, 2021.

SEC source: 0001628280-21-010971 · wf-form4_162188722072584.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 410

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 15, 2020.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $310.94 to $311.015. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-21-010004 · wf-form4_162085009166454.xml · nonDerivative · entry 1

MOORE GARY B · CIK 0001493191 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,017

SEC source: 0001628280-21-010000 · wf-form4_162085002178236.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,906

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, 2021.

SEC source: 0001628280-21-003620 · wf-form4_161463296784724.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,828

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 15, 2020.

SEC source: 0001628280-21-002817 · wf-form4_161411418561115.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,325

SEC source: 0001628280-21-001741 · wf-form4_161296500341176.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,599

SEC source: 0001628280-21-001566 · wf-form4_161256887837991.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,906

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 12, 2020.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 7

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 4,821

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F8 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $293.19 to $293.58. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 6

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 5,121

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F7 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $291.74 to $292.59. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 5

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 5,543

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F6 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $289.75 to $290.64. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 4

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 5,843

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 3

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 5,852

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F5 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $287.18 to $288.04. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 2

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 6,352

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F4 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $284.96 to $284.86. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001388 · wf-form4_161238882012229.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 6,852

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $283.75 to $284.70. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-21-001390 · wf-form4_161238884963945.xml · nonDerivative · entry 3

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,886

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on February 1, 2021.

SEC source: 0001628280-21-001390 · wf-form4_161238884963945.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,599

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

F2 · shares: On February 1, 2017, the reporting person was granted an RSU for 8,000 shares of KLA common stock. On February 1, 2021, the remaining 2,000 shares vested.

SEC source: 0001628280-21-001390 · wf-form4_161238884963945.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,843

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

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

F2 · shares: On February 1, 2017, the reporting person was granted an RSU for 8,000 shares of KLA common stock. On February 1, 2021, the remaining 2,000 shares vested.

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

SEC source: 0001628280-20-016885 · wf-form4_160674458805410.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,776

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

F2 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus cash dividends distributed per share since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On November 25, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the third threshold of $232.782. As a result, 13,813 shares became eligible to vest on March 20, 2024, subject to continued service on that date.

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

SEC source: 0001628280-20-016886 · wf-form4_160674460376489.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,843

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

F2 · acquired: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus cash dividends distributed per share since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On November 25, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the third threshold of $232.782. As a result, 6,906 shares became eligible to vest on March 20, 2024, subject to continued service on that date.

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

SEC source: 0001628280-20-016887 · wf-form4_160674462122611.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,158

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

F2 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus cash dividends distributed per share since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On November 25, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the third threshold of $232.782. As a result, 6,630 shares became eligible to vest on March 20, 2024, subject to continued service on that date.

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

SEC source: 0001628280-20-016888 · wf-form4_160674463694351.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,403

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

F2 · shares: On April 11, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus cash dividends distributed per share since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On November 25, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the third threshold of $232.782. As a result, 41,441 shares became eligible to vest on April 11, 2024, subject to continued service on that date. The number of shares that actually vest are subject to the limitations set forth in the registrant's Amended and Restated 2004 Equity Incentive Plan.

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

SEC source: 0001628280-20-016889 · wf-form4_160674465522356.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,022

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

F2 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus cash dividends distributed per share since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On November 25, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the third threshold of $232.782. As a result, 15,195 shares became eligible to vest on March 20, 2024, subject to continued service on that date.

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

SEC source: 0001628280-20-016695 · wf-form4_160614028275457.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 959

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2020.

SEC source: 0001628280-20-016487 · wf-form4_160556092343638.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2020.

SEC source: 0001628280-20-016489 · wf-form4_160556094153254.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · kind: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2020.

SEC source: 0001628280-20-016423 · wf-form4_160530176842095.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,122

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on November 11, 2020.

SEC source: 0001628280-20-016423 · wf-form4_160530176842095.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,269

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 33,454 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

SEC source: 0001628280-20-016423 · wf-form4_160530176842095.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,962

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

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 33,454 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

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

SEC source: 0001628280-20-016424 · wf-form4_160530178907676.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,324

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on November 11, 2020.

SEC source: 0001628280-20-016424 · wf-form4_160530178907676.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,071

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 6,022 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

SEC source: 0001628280-20-016424 · wf-form4_160530178907676.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,528

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

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 6,022 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

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

SEC source: 0001628280-20-016425 · wf-form4_160530180947009.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 929

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on November 11, 2020.

SEC source: 0001628280-20-016425 · wf-form4_160530180947009.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,551

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 5,019 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

SEC source: 0001628280-20-016425 · wf-form4_160530180947009.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,115

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

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 5,019 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

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

SEC source: 0001628280-20-016427 · wf-form4_160530182873711.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,374

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on November 11, 2020.

SEC source: 0001628280-20-016427 · wf-form4_160530182873711.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,862

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 20,073 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

SEC source: 0001628280-20-016427 · wf-form4_160530182873711.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,827

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

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 20,073 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

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

SEC source: 0001628280-20-016428 · wf-form4_160530184795362.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,623

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on November 11, 2020.

SEC source: 0001628280-20-016428 · wf-form4_160530184795362.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,355

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 30,109 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

SEC source: 0001628280-20-016428 · wf-form4_160530184795362.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,963

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

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 30,109 shares of KLA common stock. On November 11, 2020, the remaining 25% of the RSUs vested.

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

SEC source: 0001628280-20-015954 · wf-form4_160469777897677.xml · nonDerivative · entry 3

BARNHOLT EDWARD W · CIK 0001142615 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,224

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

F3 · shares: On November 4, 2020, the Reporting Person received an automatic grant of RSUs for 1,224 shares of KLA common stock. The RSUs will vest upon the earliest of (i) November 4, 2021, (ii) immediately prior to the next annual meeting of stockholders and (iii) ten days prior to a change of control of KLA.

SEC source: 0001628280-20-015954 · wf-form4_160469777897677.xml · nonDerivative · entry 2

BARNHOLT EDWARD W · CIK 0001142615 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,781

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

F2 · shares: On November 5, 2019, the Reporting Person received an automatic grant of RSUs for 1,569 shares of KLA common stock. On November 4, 2020, the RSUs vested in full.

SEC source: 0001628280-20-015954 · wf-form4_160469777897677.xml · nonDerivative · entry 1

BARNHOLT EDWARD W · CIK 0001142615 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

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

F2 · shares: On November 5, 2019, the Reporting Person received an automatic grant of RSUs for 1,569 shares of KLA common stock. On November 4, 2020, the RSUs vested in full.

SEC source: 0001628280-20-015955 · wf-form4_160469780441892.xml · nonDerivative · entry 3

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 906

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

F3 · shares: On November 4, 2020, the Reporting Person received an automatic grant of RSUs for 906 shares of KLA common stock. The RSUs will vest upon the earliest to occur of (i) November 4, 2021, (ii) immediately prior to the next annual meeting of stockholders and (iii) ten days prior to a change of control of KLA.

SEC source: 0001628280-20-015955 · wf-form4_160469780441892.xml · nonDerivative · entry 2

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 869

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

F2 · shares: On February 10, 2020, the Reporting Person received a grant of RSUs for 869 shares of KLA common stock. On November 4, 2020, the RSUs vested in full.

SEC source: 0001628280-20-015955 · wf-form4_160469780441892.xml · nonDerivative · entry 1

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

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

F2 · shares: On February 10, 2020, the Reporting Person received a grant of RSUs for 869 shares of KLA common stock. On November 4, 2020, the RSUs vested in full.