Richard P. Wallace - 03 Aug 2025 Form 4 Insider Report for KLA CORP (KLAC)

Signature
/s/ Jeffrey S. Cannon, as attorney-in-fact for Richard P. Wallace
Issuer symbol
KLAC
Transactions as of
03 Aug 2025
Net transactions value
-$3,492,592
Form type
4
Filing time
05 Aug 2025, 16:30:14 UTC
Previous filing
05 Aug 2025
Next filing
07 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WALLACE RICHARD P President and CEO ONE TECHNOLOGY DRIVE, MILPITAS /s/ Jeffrey S. Cannon, as attorney-in-fact for Richard P. Wallace 05 Aug 2025 0001196898

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KLAC Common Stock Tax liability $1,723,657 -1,944 -2.7% $886.64 70,623 03 Aug 2025 Direct F1, F2
transaction KLAC Common Stock Tax liability $1,768,935 -1,995 -2.8% $886.64 68,628 04 Aug 2025 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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, 2025, 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 1, 2025.
F2 The number of shares of KLA common stock includes 47,666.511 shares issuable upon vesting of RSUs.
F3 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, 2025, 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 1, 2025.
F4 The number of shares of KLA common stock includes 43,642.511 shares issuable upon vesting of RSUs.