=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-06-30
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: KLA CORP (KLAC)
CIK: 0000319201
--- Reporting Owner ---
Name: Khan Ahmad A.
CIK: 0001642452
Role: Officer (President, Semi. Prod. & Cust.)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-06-30 | Code: J (Other acquisition/disposition)
Shares: +196.1599 | Price: $108.33
Total Value: $21,250.00
Shares Owned After: 227,428.6799 | Ownership: D (Direct)
Footnotes:
[F1] Purchased under the registrant's employee stock purchase plan.
[F2] Represents 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.
[F3] The number of shares of KLA common stock includes 217,169.680 shares issuable upon vesting of restricted stock units ("RSUs").
[Transaction #2]
Security: Common Stock
Date: 2026-06-30 | Code: F (Payment of exercise/tax)
Shares: -30,566.963 | Price: $278.39
Total Value: $8,509,536.83
Shares Owned After: 196,861.7169 | Ownership: D (Direct)
Footnotes:
[F4] On 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, 61,651.800 shares vested.
[F5] Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding on the 61,651.800 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.
[F6] The number of shares of KLA common stock includes 155,517.880 shares issuable upon vesting of RSUs.
--- Footnotes (Complete Index) ---
F1: Purchased under the registrant's employee stock purchase plan.
F2: Represents 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.
F3: The number of shares of KLA common stock includes 217,169.680 shares issuable upon vesting of restricted stock units ("RSUs").
F4: On 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, 61,651.800 shares vested.
F5: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld to cover required tax withholding on the 61,651.800 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.
F6: The number of shares of KLA common stock includes 155,517.880 shares issuable upon vesting of RSUs.
--- Signature ---
/s/ /s/ Jeffrey S. Cannon, as attorney-in-fact for Ahmad A. Khan (2026-07-02)
