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: 2026-07-13 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: LAM RESEARCH CORP (LRCX) CIK: 0000707549 --- Reporting Owner --- Name: TALWALKAR ABHIJIT Y CIK: 0001316065 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-13 | Code: S (Open market sale) Shares: -18,282 | Price: $335.00 Total Value: $6,124,470.00 Shares Owned After: 87,142 | Ownership: D (Direct) Footnotes: [F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 11, 2026. [F2] The amount reported includes shares subject to unvested restricted stock units. --- Footnotes (Complete Index) --- F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 11, 2026. F2: The amount reported includes shares subject to unvested restricted stock units. --- Signature --- /s/ Marta Woods by Power of Attorney (2026-07-14)