KLA CORP (KLAC) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-12 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: KLA CORP (KLAC) CIK: 0000319201 --- Reporting Owner --- Name: WALLACE RICHARD P CIK: 0001196898 Role: Officer (President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -4,512 | Price: $1,794.00 Total Value: $8,094,528.00 Shares Owned After: 75,895.008 | Ownership: D (Direct) Footnotes: [F1] This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025. [F2] The number of shares of KLA common stock includes 57,511.168 shares issuable upon vesting of restricted stocck units ("RSUs"). --- Footnotes (Complete Index) --- F1: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025. F2: The number of shares of KLA common stock includes 57,511.168 shares issuable upon vesting of restricted stocck units ("RSUs"). --- Signature --- /s/ /s/ Jeffrey S. Cannon, as attorney-in-fact for Richard P. Wallace (2026-05-12)