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

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-05 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: KLA CORP (KLAC) CIK: 0000319201 --- Reporting Owner --- Name: CALDERONI ROBERT CIK: 0001183228 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-05 | Code: A (Grant or award) Shares: +11.269 | Price: $0.00 Shares Owned After: 3,700.971 | Ownership: D (Direct) Footnotes: [F1] On February 5, 2026, the Reporting Person received a grant of restricted stock units ("RSUs") for 11.269 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) February 5, 2027, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA. [F2] The number of shares of KLA common stock includes 267.971 shares issuable upon vesting of RSUs. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] Shares held by The 2019 Calderoni Family Trust, of which the Reporting Person is a trustee and beneficiary. --- Footnotes (Complete Index) --- F1: On February 5, 2026, the Reporting Person received a grant of restricted stock units ("RSUs") for 11.269 shares of KLA common stock. The RSUs vest on the earliest to occur of (i) February 5, 2027, (ii) immediately prior to the next annual meeting of stockholders, and (iii) ten days prior to a change of control of KLA. F2: The number of shares of KLA common stock includes 267.971 shares issuable upon vesting of RSUs. F3: Shares held by The 2019 Calderoni Family Trust, of which the Reporting Person is a trustee and beneficiary. --- Signature --- /s/ /s/ Jeffrey S. Cannon, as attorney-in-fact for Robert Calderoni (2026-02-06)