SEC Form 4 · accession 0001193125-26-294470

KLA CORP · KLAC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Table I — non-derivative securities

Table II — derivative securities

Explanation of responses

• F1Purchased under the registrant's employee stock purchase plan.
• F2Represents 85% of the closing price of the registrant's common stock on January 2, 2026, the first day of the offering period under the employee stock purchase plan.
• F3The number of shares of KLA common stock includes 575,111.680 shares issuable upon vesting of restricted stock units ("RSUs").
• F4On August 4, 2022, the reporting person was granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") divided into three tranches. On August 7, 2025, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to the second tranche of these PRSUs were satisfied. On June 30, 2026, 92,477.700 shares vested.
• F5Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding on the 92,477.700 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 June 29, 2026
• F6The number of shares of KLA common stock includes 482,633.980 shares issuable upon vesting of RSUs.

Remarks

Adjusted to reflect a ten-for-one stock split of the registrant's common stock effective after market close on June 11, 2026.