LAM RESEARCH CORP (LRCX) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-01 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: LAM RESEARCH CORP (LRCX) CIK: 0000707549 --- Reporting Owner --- Name: Fernandes Neil J CIK: 0001966598 Role: Officer (Senior Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-01 | Code: S (Open market sale) Shares: -18,170 | Price: $255.14 Total Value: $4,635,893.80 Shares Owned After: 66,129 | Ownership: D (Direct) Footnotes: [F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025. [F2] The amount reported includes shares subject to unvested restricted stock units. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025. F2: The amount reported includes shares subject to unvested restricted stock units. --- Signature --- /s/ Marta Woods by Power of Attorney (2026-05-04)